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V. Marketplace

Nexus Marketplace for digital public goods, public-good software, resilience tools, APIs, developers, integrators, and implementation support.

Summary

The Nexus Marketplace pillar is the governed discovery, listing, and public-good marketplace layer of Nexus. It operates as a digital public goods marketplace, public-good software marketplace, digital public infrastructure marketplace, resilience software marketplace, API marketplace, developer marketplace, integrator marketplace, and implementation-support marketplace across the Nexus Ecosystem.

It makes digital public goods, digital public infrastructure tools, public-good software, APIs, connectors, dashboards, packs, workflows, developer tools, integrator pathways, opportunities, and support pathways discoverable across Nexus. It gives users one governed place to discover software, resilience software, climate resilience tools, disaster risk reduction tools, disaster risk finance tools, data tools, risk intelligence assets, providers, developers, integrators, implementation partners, and lawful support pathways.

1. Marketplace Identity, Purpose, Thesis, and Nexus System Function

1.1 Nexus Marketplace Defined

1.1.1 Definition. Nexus Marketplace shall be the governed discovery, listing, exchange, opportunity, support, contribution, extension, and status-legibility layer of the Nexus Ecosystem. It shall provide the structured public-good and controlled-access surface through which Nexus objects, capabilities, pathways, outputs, support needs, technical assets, learning opportunities, research opportunities, campaign opportunities, expertise pathways, Studio workflow candidates, Registry-recorded objects, Grid input candidates, TRL 1–10 evidence notes, Nexus Universe outputs, National Portfolio objects, and lawful handoff dependency packages may be made searchable, understandable, comparable within limits, supportable, reusable, correctable, and archivable.

1.1.2 Marketplace as Nexus system layer. Nexus Marketplace shall sit within the Nexus public-good stack as a discovery and routing layer, not as an authority layer. It shall connect Nexus Foundry, Nexus Acceleration, Nexus Universe, Nexus Network, Nexus Rails, Nexus Studio, Nexus Registry, Nexus Grid, Nexus Academy, Risk Academy, DICE, GRIx, DRI, Nexus Observatory, Nexus Campaigns, Nexus Labs, Risk Agency, iCRS, WILPs, micro-credentials, National Nodes, National Nexus Consortiums, National Working Groups, Nexus Competence Cells, National Consortium Companies, Project SPVs, sponsors, providers, hosts, public authorities, universities, communities, donors, insurers, capital readers, public finance readers, and lawful downstream actors through governed listing and routing rules.

1.1.3 Marketplace as governed discovery. Nexus Marketplace shall make bounded discovery possible by answering, for each listed object or opportunity:

1.1.3.1 what the object or opportunity is;

1.1.3.2 who stewards it;

1.1.3.3 which Nexus pathway produced, submitted, or routed it;

1.1.3.4 what class, release state, support class, and lifecycle state it carries;

1.1.3.5 what it may be used for;

1.1.3.6 what it may not be used for;

1.1.3.7 what public-safe status applies;

1.1.3.8 what data-use and AI-use labels apply;

1.1.3.9 what license, IP, contributor, support, and reuse conditions apply;

1.1.3.10 what provider-neutrality, sponsor-boundary, safeguard, public authority, finance, insurance, procurement, community, Indigenous protocol-sensitive, and no-execution boundaries apply;

1.1.3.11 what Registry, Studio, Grid, TRL, Nexus Universe, Foundry, Campaign, Academy, Labs, DICE, GRIx, DRI, Observatory, Risk Agency, or handoff records are linked;

1.1.3.12 what correction, withdrawal, retirement, supersession, recall, non-continuation, and archive pathways apply.

1.1.4 Marketplace as extension surface. Nexus Marketplace shall operate as the governed extension surface of Nexus by allowing eligible public-good assets, packs, connectors, APIs, schemas, dashboards, agents, workflows, templates, data objects, learning modules, quests, bounties, builds, campaigns, support packages, research opportunities, expertise pathways, Studio workflows, Registry records, Grid inputs, TRL evidence notes, and lawful handoff candidates to become discoverable without being converted into approval, endorsement, procurement eligibility, financeability, insurability, certification, public authority action, employment offer, community consent, deployment authorization, or execution authority.

1.1.5 Marketplace as status-legibility layer. Nexus Marketplace shall improve ecosystem usability by making status legible. It shall not hide uncertainty, unsupported status, lack of maintenance, data restrictions, AI-use limits, public-safe restrictions, sponsor influence, provider involvement, legal boundaries, safeguard concerns, correction history, or archive status. A Marketplace listing shall be useful because its limits are visible.

1.1.6 Marketplace as non-execution. Nexus Marketplace shall not itself execute projects, operate systems, contract implementation, procure goods or services, finance activities, underwrite risk, issue insurance, certify maturity, approve providers, issue public warnings, create public authority decisions, allocate public finance, create employment offers, grant community or Indigenous consent where applicable, authorize deployment, or command implementation. Its function is to list, classify, display, explain, route, support, correct, withdraw, retire, and archive within recorded Nexus boundaries.


1.2 Marketplace as Governed Discovery Infrastructure

1.2.1 Governed discovery doctrine. Nexus Marketplace shall be governed discovery infrastructure, not an uncontrolled catalogue. Listings shall be classified, scoped, labeled, stewarded, reviewed where required, linked to records where applicable, and bounded by no-conversion notices. The Marketplace shall preserve the difference between discoverability and authority.

1.2.2 Not a generic marketplace. Nexus Marketplace shall not be a generic commercial marketplace, consumer marketplace, app store, vendor catalogue, procurement portal, investment platform, securities platform, crowdfunding-securities portal, insurance marketplace, public finance platform, donor allocation platform, ratings platform, certification body, standards authority, employment marketplace, public authority platform, social ranking system, or execution environment by default.

1.2.3 Discovery before transaction. Nexus Marketplace shall default to discovery, learning, support routing, contribution routing, and lawful handoff preparation. It shall not default to transaction execution. Any payment, donation, sponsorship, subscription, support, bounty, service charge, licensing, enterprise handoff, procurement, investment, insurance, grant, public finance, or paid-work pathway shall require separate lawful terms, role classification, regulated-perimeter controls where applicable, and no-conversion notices.

1.2.4 Public-good discovery purpose. Nexus Marketplace shall support discovery of objects and opportunities that advance public-good resilience, DRR, DRF, DRI, public-good technology, digital public goods, open technical baselines, public-good software, observability, data commons, risk intelligence, public-safe reporting, national capability, learning, research, campaigns, Nexus Universe preparation, Nexus Foundry production, and lawful handoff dependency mapping.

1.2.5 Discovery surfaces. Nexus Marketplace may provide public, controlled, restricted, institutional, national, regional, global, thematic, Studio-linked, Registry-linked, Campaign-linked, Foundry-linked, Academy-linked, Labs-linked, Risk Agency-linked, DICE-linked, Observatory-linked, Nexus Universe-linked, and handoff-linked discovery surfaces. Each surface shall display only what is appropriate to its access class, public-safe status, data-use rules, AI-use rules, safeguard status, and legal boundaries.

1.2.6 Marketplace filtering and search. Marketplace may support search, filters, categories, tags, ontology mapping, controlled vocabulary, recommendations, collection pages, national pages, thematic pages, Foundry collections, Campaign collections, Academy collections, Labs collections, DICE collections, DRI collections, Studio collections, Registry collections, Nexus Universe collections, support collections, and handoff collections. Search and filtering shall not be represented as ranking, endorsement, certification, procurement scoring, finance scoring, insurance scoring, public authority classification, or quality approval.

1.2.7 Comparability within limits. Marketplace may allow users to compare listed objects by class, scope, support class, release class, steward, license, public-safe status, data-use label, AI-use label, Registry status, Studio status, Grid input status, TRL evidence note, correction history, localization status, and support availability. Comparison shall not imply ratings, rankings, procurement recommendations, provider superiority, financeability, insurability, certification, or official approval.

1.2.8 Governed discovery boundary. Discovery through Nexus Marketplace shall create awareness and routing only. It shall not create recognition, endorsement, approval, public authority action, procurement status, supplier approval, financeability, insurability, underwriting acceptance, donor commitment, public finance allocation, certification, rating, employment offer, community consent, Indigenous consent where applicable, deployment authorization, operational command, or execution authority.


1.3 Marketplace as Nexus Extension Surface

1.3.1 Extension surface doctrine. Nexus Marketplace shall be the governed extension surface through which the Nexus Ecosystem can scale public-good capabilities beyond a single institution, project, event, platform, or national cycle. It shall allow contributors, providers, sponsors, developers, maintainers, universities, labs, Working Groups, Competence Cells, Campaign teams, Foundry builders, Academy pathways, Risk Agency pathways, and lawful downstream actors to discover, support, adapt, localize, and reuse Nexus objects within recorded limits.

1.3.2 Extension without fragmentation. Marketplace extension shall preserve one rail, controlled vocabulary, role separation, public-good stack discipline, enterprise-stack separation, Registry status truth, Studio runtime boundaries, Grid and TRL boundary discipline, Nexus Network memory, Nexus Rails routing, and correctionability. Marketplace shall not allow semantic forking, uncontrolled claims, unmanaged copies, untraceable adaptations, private enclosure, status overclaim, provider capture, sponsor capture, or national bypass.

1.3.3 Developer and integrator surface. Nexus Marketplace may support developers and integrators through APIs, SDKs, connectors, schemas, pack templates, plugin rules, sandbox access, testing guidance, public-good software repositories, security guidance, data-use labels, AI-use labels, contribution pathways, maintainer pathways, review queues, and extension governance. Developer participation shall not create certification, procurement eligibility, approved integrator status, employment, agency, or execution authority unless separately and lawfully recorded.

1.3.4 Provider contribution surface. Providers may contribute tools, software, APIs, cloud resources, compute, equipment, models, dashboards, datasets subject to rights, training materials, technical support, integration assistance, or support packages for Marketplace listing or linkage. Provider contribution shall be contribution without validation. Listing a provider contribution shall not create provider approval, preferred-vendor status, procurement eligibility, product certification, financeability, insurability, public authority approval, or deployment authorization.

1.3.5 Sponsor support surface. Sponsors may support Marketplace objects, public-good assets, campaigns, Foundry builds, Academy pathways, Nexus Universe outputs, DICE objects, translation, accessibility, public-safe reporting, bounties, challenges, scholarships, compute, venues, or support packages. Sponsor support shall be support without control. Sponsorship shall not purchase visibility beyond approved display, influence Marketplace ranking, control listing status, determine Registry status, secure Studio access, affect Grid or TRL treatment, create handoff eligibility, or shape public authority-facing outputs.

1.3.6 National extension surface. Marketplace may support national localization, National Portfolio reuse, National Working Group work, Competence Cell activation, National Node capacity, national learning pathways, public-safe translation, national data-use terms, national legal localization, national public authority learning, and national lawful handoff dependency mapping. National extension shall preserve national ownership and shall not allow external actors to bypass national pathways.

1.3.7 Global and regional extension surface. Marketplace may support global and regional discovery of public-good assets, regional packs, transboundary risk intelligence templates, corridor resilience tools, regional DRI dashboards, shared Observatory patterns, regional Nexus Universe outputs, and regional campaign opportunities. Regional and global discoverability shall not create regional supremacy, country ranking, global endorsement, official adoption, or public authority approval.

1.3.8 Extension boundary. Extension through Nexus Marketplace shall expand reuse, support, learning, contribution, localization, and routing. It shall not create standards authority, certification authority, procurement authority, finance authority, insurance authority, public authority decision-making, legal reliance, community consent, Indigenous consent where applicable, deployment authorization, operational control, or execution.


1.4 Marketplace as Public-Good Legibility Layer

1.4.1 Public-good legibility doctrine. Nexus Marketplace shall make public-good work legible to users, contributors, countries, communities, public authorities in learning roles, universities, labs, sponsors, providers, donors, insurers, capital readers, public finance readers, developers, Campaign teams, Foundry builders, Nexus Universe participants, and lawful downstream actors. It shall show what exists, what is missing, what is supported, what is experimental, what is public-safe, what is restricted, what is maintained, what is deprecated, what is corrected, what is withdrawn, and what is archived.

1.4.2 Legibility through record cards. Each material listing should display a Marketplace Record Card or equivalent status profile identifying class, steward, source, intended use, prohibited use, release class, support class, lifecycle state, data-use label, AI-use label, public-safe status, safeguard status, sponsor/provider status, Registry linkage, Studio linkage, Grid / TRL status where applicable, Nexus Universe linkage where applicable, correction history, and no-conversion notices.

1.4.3 Legibility through status truth. Marketplace shall not display objects as current when they are archived, supported when unsupported, public-safe when unreviewed, open when restricted, deployable when only experimental, maintained when deprecated, approved when merely listed, or handoff-ready when only a dependency candidate. Status truth shall be more important than promotional clarity.

1.4.4 Legibility for public authorities. Marketplace may help public authorities in learning roles discover public-good assets, dashboards, DRI templates, public-safe summaries, Studio workflows, training modules, National Portfolio objects, Nexus Universe outputs, and handoff dependency packages. Such legibility shall not create public authority approval, procurement action, regulatory comfort, public warning, official classification, public finance decision, or policy adoption.

1.4.5 Legibility for capital, insurance, donor, and public finance readers. Marketplace may help capital readers, insurers, reinsurers, donors, development actors, and public finance readers discover readiness questions, assumptions registers, dependency registers, diligence-gap templates, DRF readiness notes, DRI objects, public-good support needs, public-safe summaries, and handoff dependency packages. Such legibility shall be no-reliance, non-soliciting, non-transactional, and regulated-perimeter controlled.

1.4.6 Legibility for communities. Marketplace may make community-facing, public-interest, accessibility, translation, safeguard, local resilience, youth, humanitarian, and protected-knowledge-sensitive resources discoverable. Such legibility shall not expose sensitive information, create representation claims, imply community consent, imply Indigenous consent where applicable, or turn community participation into public approval.

1.4.7 Legibility for builders. Marketplace may help Foundry builders, developers, Working Groups, Competence Cells, Labs, and contributors discover tasks, quests, bounties, builds, templates, schemas, datasets, APIs, connectors, dashboards, Studio workflows, learning modules, support needs, and maintainer pathways. Such legibility shall not create employment, contractor work, admissions, procurement work, expert standing, or execution assignment unless separately and lawfully recorded.

1.4.8 Legibility boundary. Public-good legibility shall make the ecosystem understandable. It shall not make listed objects authoritative by visibility, legitimate by polish, validated by popularity, financeable by interest, insurable by risk display, procurable by comparison, certified by badge, approved by Registry linkage, deployable by Studio readiness, or executable by handoff candidacy.


1.5 Marketplace as Nexus Acceleration and Foundry Realization Layer

1.5.1 Relationship to Nexus Acceleration. Nexus Marketplace shall serve Nexus Acceleration by making accelerated capabilities discoverable, supportable, reusable, localizable, and routable. It shall support acceleration by creating a governed extension surface for public-good assets, campaigns, learning pathways, data objects, technical packs, Studio workflows, research opportunities, support needs, and lawful handoff candidates.

1.5.2 Acceleration without uncontrolled commercialization. Nexus Marketplace shall prevent Nexus Acceleration from becoming a loose commercial showcase, ungoverned vendor fair, pay-to-play catalogue, or procurement staging area. Acceleration outputs shall become Marketplace-discoverable only through classification, listing requirements, public-safe display, support labeling, provider-neutrality notes, sponsor-boundary notes, lifecycle controls, and correction pathways.

1.5.3 Relationship to Nexus Foundry. Nexus Foundry shall produce, package, test, version, support, release, correct, and archive objects that may become Marketplace listings. Marketplace shall make eligible Foundry outputs discoverable, but it shall not replace Foundry intake, review, evidence capture, testing, quality control, public-safe release, support classification, teardown, correction, or archive.

1.5.4 Foundry-to-Marketplace pathway. A Foundry output may route to Marketplace only after classification of object type, release class, support class, steward, license, data-use labels, AI-use labels, public-safe status, safeguard status, Registry linkage where applicable, Studio readiness where applicable, Grid / TRL display where applicable, provider-neutrality notes where applicable, sponsor-boundary notes where applicable, correction pathway, and archive rule.

1.5.5 Marketplace-to-Foundry feedback. Marketplace discovery may generate Foundry feedback, including reuse requests, support requests, localization needs, bug reports, security reports, data-rights questions, AI-use questions, documentation needs, public-safe language corrections, integration requests, national adaptation requests, Nexus Universe requests, and handoff dependency questions. Feedback shall route through Foundry records and shall not create automatic support obligations or execution duties.

1.5.6 Marketplace and Nexus Core Build. Nexus Core Build outputs, technical packs, network patterns, compute patterns, data-room patterns, dashboard packs, AI workflow packs, public-good software, and teardown lessons may be listed in Marketplace where public-safe, supportable, rights-clear, and bounded. Core Build visibility shall not imply deployment approval, production readiness, procurement status, financeability, insurance approval, or operational authority.

1.5.7 Marketplace and public-good production memory. Marketplace shall help transform Foundry and Acceleration outputs into durable production memory by making recorded, versioned, supported, corrected, and archived objects discoverable across cycles. It shall prevent valuable work from disappearing after events, campaigns, prototypes, or pilots.

1.5.8 Foundry and Acceleration boundary. Marketplace support for Foundry and Acceleration shall not convert build quality into certification, technical sophistication into deployment authority, support interest into financeability, provider contribution into validation, Nexus Universe visibility into endorsement, or handoff usefulness into Nexus execution.


1.6 Marketplace as Nexus Universe Continuity Layer

1.6.1 Relationship to Nexus Universe. Nexus Marketplace shall provide continuity before, during, and after Nexus Universe by making arena candidates, Core Build requests, Studio workflows, public-safe summaries, National Portfolio objects, Campaign outputs, Foundry builds, DICE objects, GRIx mappings, DRI dashboards, Academy pathways, Labs opportunities, support needs, and handoff dependency packages discoverable in a governed manner.

1.6.2 Pre-Universe marketplace function. Before Nexus Universe, Marketplace may support discovery of Campaign opportunities, build needs, support needs, volunteer roles, Working Group calls, Competence Cell calls, Studio workflow candidates, DICE needs, DRI dashboard candidates, Core Build requests, and learning pathways that prepare annual surge.

1.6.3 Live-Universe marketplace function. During Nexus Universe, Marketplace may surface public-safe and controlled listings for arena participants, public authority learning rooms, readiness rooms, Studio demonstrations, Core Build outputs, support opportunities, public-safe reports, and learning pathways. Live visibility shall be governed by claims freeze, data freeze, technical freeze, public-safe review, sponsor/provider display controls, and correction channels.

1.6.4 Post-Universe marketplace function. After Nexus Universe, Marketplace may preserve and route outputs for reuse, support, localization, Foundry continuation, Academy learning, Labs research, Risk Agency pathway consideration, Registry status updates, Studio renewal, Grid or TRL updates, national continuation, lawful handoff dependency packages, correction, non-continuation, retirement, or archive.

1.6.5 Universe visibility without authority. Nexus Universe arena presence, stage visibility, booth presence, public-safe presentation, Core Build participation, public authority learning-room discussion, readiness-room discussion, or media coverage shall not automatically create Marketplace listing. Where listing occurs, it shall be based on Marketplace criteria and recorded status, not event visibility.

1.6.6 Marketplace featuring. Marketplace may feature Nexus Universe objects, campaigns, builds, learning pathways, support needs, or handoff candidates where they meet public-safe, listing, and status requirements. Featuring shall not imply endorsement, approval, ranking, certification, procurement status, financeability, insurability, or implementation priority.

1.6.7 Annual-cycle memory. Marketplace shall help preserve the annual-cycle memory of Nexus Universe by linking listed objects to prior cycle records, successor records, correction histories, support classes, public-safe statuses, and archive records. Annual visibility shall become durable record, not temporary hype.

1.6.8 Nexus Universe boundary. Marketplace continuity for Nexus Universe shall support discovery, support, learning, and continuation. It shall not turn Nexus Universe visibility into endorsement, approval, procurement, finance, insurance, certification, public authority action, consent, deployment, command, or execution.


1.7 Marketplace as Nexus Registry, Studio, Grid, and TRL Interface

1.7.1 Registry interface. Nexus Registry shall preserve status truth; Nexus Marketplace shall expose and route that status truth in discoverable form. Marketplace may display Registry-linked status, but Marketplace shall not replace Registry, alter Registry meaning, or create approval beyond recorded status.

1.7.2 Registry-linked listing. Where a Marketplace listing depends on current status, it should link to a Registry Entry identifying object identity, version, steward, status, lifecycle state, review level, public-safe status, support class, data status, AI-use status, safeguard status, dependencies, correction status, successor records, and archive status.

1.7.3 Studio interface. Nexus Studio shall provide controlled workflow and runtime preparation environments. Marketplace may list Studio workflow candidates, Studio-ready packages, demonstration workflows, dashboard workflows, public authority learning workflows, data-room workflows, AI review workflows, and readiness-room workflows. Marketplace listing shall not authorize runtime use, public authority decision-making, deployment, operational command, or execution.

1.7.4 Grid interface. Nexus Grid shall receive bounded maturity and capability inputs. Marketplace may display Grid input candidate status or Grid input status only within recorded scope and with no-certification language. Marketplace shall not convert Grid references into maturity certification, procurement status, financeability, insurance approval, public authority approval, or readiness approval.

1.7.5 TRL 1–10 interface. Marketplace may display TRL 1–10 evidence notes for technical objects where classification is recorded and bounded. TRL display shall identify evidence context, limitations, support status, review status, downgrade rules, and correction pathways. TRL display shall not imply certification, product approval, safety approval, deployment approval, procurement eligibility, financeability, insurance approval, or public authority approval.

1.7.6 Status display hierarchy. Marketplace shall distinguish listing status from Registry status, Registry status from Studio status, Studio status from Grid input status, Grid input status from TRL evidence status, TRL evidence status from handoff status, and handoff status from execution. No status shall silently convert into another status.

1.7.7 Correction propagation. Changes in Registry, Studio, Grid, TRL, Foundry, Campaign, DICE, GRIx, DRI, Observatory, Nexus Universe, or handoff status shall propagate to Marketplace listings where public meaning or downstream use may be affected. Marketplace shall correct stale status promptly where feasible.

1.7.8 Registry-Studio-Grid-TRL boundary. Marketplace interface with Registry, Studio, Grid, and TRL shall make status visible and useful. It shall not create approval, certification, procurement, finance, insurance, public authority action, consent, deployment, or execution by implication.


1.8 Marketplace as Nexus Campaigns, Academy, Labs, and Risk Agency Opportunity Layer

1.8.1 Campaign opportunity layer. Nexus Marketplace may list Nexus Campaigns, signature campaigns, public-good support campaigns, volunteer roles, Working Group calls, Competence Cell calls, data commons campaigns, DRR campaigns, DRF readiness campaigns, DRI campaigns, Nexus Universe readiness campaigns, public-safe reporting tasks, quests, bounties, builds, and lawful handoff readiness campaigns. Campaign listings shall not create endorsement, public mandate, procurement status, financeability, public authority approval, consent, or execution.

1.8.2 Academy opportunity layer. Marketplace may list Nexus Academy, Risk Academy, WILPs, micro-credentials, learning quests, supervised builds, reviewer training, maintainer training, public-safe communication training, data stewardship training, AI-use training, cyber hygiene, accessibility training, safeguard training, public authority learning modules, and Nexus Universe preparation pathways. Learning listings shall not create academic degrees, professional licenses, certification, employment eligibility, procurement qualification, expert standing, public authority approval, or execution authority.

1.8.3 Labs opportunity layer. Marketplace may list Nexus Labs research opportunities, frontier lab challenges, research calls, evidence gaps, datasets subject to rights, policy research needs, research-impact pathways, testbed opportunities, public-good research questions, research-to-Foundry conversion pathways, Nexus Universe lab pathways, and lawful downstream research interfaces. Labs listings shall not create research approval, ethics approval, data access right, IP transfer, procurement status, financeability, public authority approval, or implementation authority.

1.8.4 Risk Agency pathway layer. Marketplace may make Risk Agency expertise pathways discoverable, including advisory, consultancy, training, facilitation, public-safe communications, technical review, public authority learning support, DRR / DRF / DRI expertise, and lawful downstream support pathways. Risk Agency Marketplace visibility shall not create certification, professional license, procurement qualification, employment, client reliance, financial advice, insurance advice, legal advice, public authority role, or expert authority by implication.

1.8.5 iCRS and contribution linkage. Marketplace listings may link to iCRS-eligible opportunities, including tasks, quests, bounties, builds, reviews, maintenance, translation, accessibility, data stewardship, public-safe reporting, correction, archive, Academy participation, WILP participation, micro-credential pathways, Campaign roles, Foundry roles, and Nexus Universe support roles. iCRS linkage shall not create compensation, employment, authority, certification, or procurement status by implication.

1.8.6 Opportunity eligibility. Marketplace opportunities may be open, restricted, invitation-only, training-required, verified-user-required, national-pathway-required, Working-Group-linked, Competence-Cell-linked, data-room-controlled, secure-room-controlled, public authority learning-controlled, Nexus Universe-controlled, or handoff-controlled. Eligibility shall describe access requirements only and shall not create entitlement.

1.8.7 Opportunity closure and archive. Marketplace opportunities shall be closed, corrected, retired, or archived when no longer current. Closed opportunities shall not be displayed as current, available, funded, supported, or active.

1.8.8 Opportunity boundary. Marketplace opportunity listings shall create discovery and application pathways only. They shall not create employment offers, contractor engagements, internships, admissions, scholarships, grants, procurement work, paid placements, public authority roles, professional standing, consent, deployment authority, or execution assignment unless separately and lawfully recorded.


1.9 Marketplace as Public-Good Support and Lawful Handoff Discovery Layer

1.9.1 Support discovery function. Nexus Marketplace may make public-good support needs discoverable, including donations where lawful, sponsorship, grants, in-kind support, compute support, cloud support, equipment support, venue support, translation support, accessibility support, travel support, scholarships, bounties, challenges, data stewardship support, public-safe reporting support, Nexus Universe support, Foundry support, Campaign support, Academy support, Labs support, DICE support, DRI support, and community safeguard support.

1.9.2 Support without control. Support discoverability shall not give supporters control over listed objects, campaign outputs, Foundry priorities, Registry status, Studio access, Grid inputs, TRL references, Nexus Universe routing, public authority learning outputs, readiness notes, handoff eligibility, or correction decisions. Support shall be governed by support terms, support ledgers, fiscal stewardship where applicable, public-safe display rules, and anti-capture controls.

1.9.3 Provider support and service listings. Marketplace may list provider support, service-support options, maintenance support, integration support, technical support, implementation-support discovery, training support, or enterprise-stack support pathways where appropriate. Such listings shall preserve provider-neutrality and shall not become procurement, supplier approval, vendor validation, certification, or public authority recommendation.

1.9.4 Lawful handoff discovery function. Marketplace may make lawful handoff dependency packages discoverable to competent downstream actors where handoff status, recipient responsibility, no-reliance statements, national routing, public authority dependencies, legal dependencies, data dependencies, safeguard dependencies, finance and insurance questions, provider-neutrality notes, correction pathways, and recall pathways are clearly displayed.

1.9.5 Handoff candidate status. Handoff candidate status shall mean that an object may be relevant to a downstream lawful process. It shall not mean implementation approval, project approval, procurement approval, finance approval, insurance approval, public authority approval, community consent, Indigenous consent where applicable, data-use permission, deployment authorization, or execution authority.

1.9.6 Enterprise-stack interface. Marketplace may route enterprise-stack actors to appropriate public-good records, handoff dependency packages, National Consortium Companies, Project SPVs, providers, operators, contractors, public authorities, funders, insurers, donors, or public finance readers. Such routing shall not collapse the public-good stack into enterprise entitlement or create hidden agency between public-good bodies and execution vehicles.

1.9.7 No-reliance discovery. Marketplace handoff and readiness discovery shall be no-reliance by default. Recipients remain responsible for independent diligence, legal compliance, public authority approvals, procurement, finance, insurance, engineering, cybersecurity, data protection, community engagement, Indigenous protocols where applicable, deployment, operations, maintenance, and execution.

1.9.8 Support and handoff boundary. Marketplace support and handoff discovery shall make needs and dependencies visible. It shall not create funding commitments, donor commitments, public finance allocations, procurement status, financeability, insurability, underwriting acceptance, implementation authorization, provider validation, consent, deployment, or execution by implication.


1.10 Marketplace as Non-Execution, No-Conversion, and Correctionable Infrastructure

1.10.1 Non-execution doctrine. Nexus Marketplace shall operate as a non-executing infrastructure layer. It may list, classify, display, filter, route, support, explain, compare within limits, correct, withdraw, retire, and archive. It shall not execute projects, run procurement, provide financial services, underwrite insurance, certify systems, grant public authority approval, issue warnings, employ contributors, authorize data use beyond recorded terms, authorize deployment, or operate downstream assets.

1.10.2 Standard Marketplace no-conversion rule. No Marketplace listing, Marketplace Record Card, badge, status label, support class, release class, review label, Registry linkage, Studio linkage, Grid input, TRL evidence note, Foundry output, Campaign opportunity, Academy pathway, WILP, micro-credential, Labs opportunity, Risk Agency pathway, DICE object, GRIx mapping, DRI dashboard, Observatory pack, Nexus Universe feature, provider listing, sponsor listing, support listing, service listing, API, connector, pack, template, dataset, dashboard, agent, workflow, public-good software object, handoff candidate, user review, rating, reputation signal, download count, reuse count, feature placement, or public display shall create recognition, endorsement, approval, certification, standards conformance, procurement eligibility, supplier approval, financeability, insurability, underwriting acceptance, donor commitment, public finance allocation, public authority approval, employment offer, community consent, Indigenous consent where applicable, consultation completion, protected knowledge permission, deployment authorization, operational command, or execution authority by implication.

1.10.3 Correctionability. Nexus Marketplace shall be correctionable by design. Listings may be corrected, relabeled, restricted, suspended, delisted, withdrawn, deprecated, superseded, retired, recalled, archived, or marked non-continuing where status changes, claims are wrong, data rights change, AI-use limits change, security issues arise, public-safe risk appears, support status changes, provider overclaim appears, sponsor overclaim appears, public authority overclaim appears, procurement risk appears, finance or insurance overclaim appears, community consent overclaim appears, protected knowledge risk appears, Nexus Universe status changes, Studio status changes, Grid / TRL status changes, or handoff misuse occurs.

1.10.4 Marketplace concern reporting. Marketplace shall provide channels for reporting listing overclaim, provider misrepresentation, sponsor overclaim, fake public authority claims, false support claims, data misuse, AI misuse, IP misuse, cyber risk, protected knowledge exposure, misleading badges, procurement overclaim, finance overclaim, insurance overclaim, certification overclaim, community consent overclaim, Indigenous protocol-sensitive overclaim where applicable, Studio misuse, Registry misuse, Grid / TRL overclaim, or handoff misuse.

1.10.5 Stop-the-line. Marketplace shall maintain stop-the-line authority to pause, restrict, suspend, delist, disable downloads, disable APIs, disable support, disable payment or donation links where applicable, disable Studio routing, restrict data access, withdraw public-safe display, recall handoff packages, correct Registry-linked display, or archive listings where continued discoverability may cause harm, overclaim, legal risk, public-safe failure, data exposure, AI misuse, cyber risk, protected knowledge exposure, public authority confusion, procurement distortion, finance overclaim, sponsor capture, provider validation, or execution by implication.

1.10.6 Archive discipline. Marketplace archive shall preserve retired listings, corrected listings, withdrawn listings, deprecated objects, superseded objects, unsupported objects, closed opportunities, completed campaigns, expired WILPs, old Studio workflows, old Grid inputs, old TRL notes, old Nexus Universe features, old support listings, and handoff records without current status. Archive shall preserve memory, not authority.

1.10.7 Final Part I formula. Nexus Marketplace shall be the governed discovery layer that makes Nexus usable at scale. Foundry makes objects buildable; Acceleration makes pathways move; Universe makes annual visibility possible; Registry makes status truthful; Studio makes controlled workflows runnable; Grid and TRL make maturity inputs bounded; Network preserves records; Rails route continuation; Campaigns mobilize support; Academy makes learning discoverable; Labs make research connectable; Risk Agency makes expertise findable; DICE, GRIx, DRI, and Observatory make data and intelligence legible; Marketplace makes all of this discoverable without making discovery authority.

1.10.8 Final declaration. Nexus Marketplace shall be powerful enough to surface the full productive capacity of the Nexus Ecosystem and disciplined enough to prevent visibility, polish, popularity, payment, sponsorship, provider contribution, public authority attention, Nexus Universe presence, Registry linkage, Studio readiness, Grid input, TRL evidence, or handoff candidacy from becoming false recognition, procurement, finance, insurance, certification, public authority approval, consent, deployment, command, or execution by implication.

2. Marketplace Object Classes and Listing Taxonomy

2.1 Marketplace Object Class Doctrine

2.1.1 Classification as the first control. Every Nexus Marketplace listing shall be classified before publication, display, search indexing, support enablement, Studio routing, Registry linkage display, Grid or TRL display, Nexus Universe featuring, or handoff discovery. Classification shall identify what the listed object is, what it is not, what pathway produced or submitted it, what status it carries, what use is permitted, what use is prohibited, what review has occurred, what support exists, what public-safe limits apply, what data and AI-use rules apply, what safeguards apply, and what no-conversion notices must be displayed.

2.1.2 Object class determines meaning. A listing’s object class shall determine its record requirements, status labels, support class, release class, review gates, public display rules, data-use labels, AI-use labels, IP and licensing terms, sponsor and provider boundary language, public authority boundary language, finance and insurance boundary language, procurement boundary language, consent boundary language, Nexus pathway routing, correction pathway, and archive treatment.

2.1.3 No class collapse. Nexus Marketplace shall not collapse distinct object classes into vague “solutions,” “products,” “projects,” “opportunities,” or “partners” where such labels obscure meaning. A public-good software object is not a certified product. A Studio workflow is not decision authority. A Registry entry is not universal approval. A Grid input is not maturity certification. A TRL evidence note is not deployment authorization. A provider contribution is not provider validation. A support listing is not funding approval. A handoff package is not implementation authority. A campaign opportunity is not public mandate. A learning pathway is not professional licensure. A Risk Agency pathway is not automatic expert standing.

2.1.4 Multi-class listings. A listing may have more than one object class where appropriate, including a Foundry pack that includes a dataset, connector, dashboard, Studio workflow, Academy module, and public-safe summary. Multi-class listings shall identify the controlling object class, secondary object classes, class-specific restrictions, applicable record cards, and no-conversion notices for each class.

2.1.5 Composite listings. Marketplace may list composite objects such as National Portfolio Packs, Observatory Node Packs, Core Build Packs, Nexus Universe Arena Packs, DRI Dashboard Packs, Studio Runtime Packs, Campaign Mobilization Packs, Lawful Handoff Dependency Packs, or Academy Learning Packs. Composite listings shall identify each component, component status, component steward, component license, component data-use label, component AI-use label, component support class, component correction pathway, and component archive state.

2.1.6 Class inheritance. Where a listing contains components with different restrictions, the most restrictive applicable rule shall control unless a component-level exception is clearly recorded. A public package shall not make restricted data public; a public-safe summary shall not make protected knowledge open; a Studio-ready workflow shall not make a dataset AI-usable; a Marketplace listing shall not make a provider approved; and a handoff candidate shall not make execution authorized.

2.1.7 Controlled vocabulary. Marketplace object classes shall use controlled vocabulary aligned with Nexus Foundry, Nexus Acceleration, Nexus Registry, Nexus Studio, Nexus Grid, TRL 1–10, Nexus Network, Nexus Rails, DICE, GRIx, DRI, Nexus Observatory, Nexus Campaigns, Nexus Academy, Risk Academy, Nexus Labs, Risk Agency, iCRS, National Nodes, Working Groups, Competence Cells, Nexus Universe, National Consortium Companies, Project SPVs, and lawful handoff records.

2.1.8 Object class boundary. Classification creates clarity, not approval. No object class shall create recognition, endorsement, procurement eligibility, financeability, insurability, certification, public authority approval, employment offer, community consent, Indigenous consent where applicable, deployment authorization, operational command, or execution authority by implication.


2.2 Public-Good Asset Listings

2.2.1 Public-Good Asset defined. A Public-Good Asset Listing is a Marketplace listing for an asset intended to support public-good learning, evidence, methods, observability, risk intelligence, public-safe reporting, technical baselines, data stewardship, public-good software, resilience, DRR, DRF, DRI, Nexus Foundry work, Nexus Campaigns, Nexus Academy, Nexus Universe, National Portfolios, or lawful handoff dependency mapping.

2.2.2 Asset classes. Public-Good Asset Listings may include public-good software, open technical baselines, schemas, APIs, connectors, templates, methods, data dictionaries, ontologies, controlled vocabularies, public-safe summaries, evidence tools, dashboard components, model cards, system cards, benchmark cards, documentation packs, learning materials, accessibility materials, translation kits, public-safe media kits, risk communication templates, and correction templates.

2.2.3 Asset Listing Record. Each Public-Good Asset Listing shall identify asset class, steward, source pathway, version, release class, support class, license, contributor terms, intended users, intended use, prohibited use, data-use labels where applicable, AI-use labels where applicable, public-safe status, security status where applicable, dependencies, localization status, Registry linkage where applicable, Studio linkage where applicable, Grid or TRL linkage where applicable, correction pathway, withdrawal rule, and archive rule.

2.2.4 Public-good software. Public-good software listings shall identify repository, license, maintainer, support class, release class, security status, vulnerability reporting pathway, dependencies, installation conditions, data assumptions, AI-use assumptions, public-safe limitations, known limitations, update cadence where known, deprecation rule, and archive rule.

2.2.5 Open technical baselines. Open technical baselines listed in Marketplace shall identify scope, version, method basis, evidence basis, limitations, dependency assumptions, public-safe status, implementation limits, support status, and correction pathway. A baseline shall not become a standard, certification, procurement specification, public authority requirement, or provider validation by listing.

2.2.6 Templates and methods. Templates and methods may support campaign creation, evidence packs, data stewardship, DRI dashboards, GRIx mappings, public authority learning, readiness notes, handoff dependencies, Nexus Universe preparation, Working Group records, Competence Cell records, and public-safe reporting. Templates and methods shall display scope, limitations, prerequisites, localization needs, and no-reliance language where relevant.

2.2.7 Public-safe summaries. Public-safe summaries listed in Marketplace shall identify source record, review status, public-safe release status, intended audience, evidence limitations, uncertainty, data restrictions, public authority boundary, finance boundary, procurement boundary, community consent boundary, correction pathway, and archive status.

2.2.8 Asset support. Public-good assets may be unsupported, community-supported, maintained, controlled-support, enterprise-supported, National-Node-supported, regional-supported, deprecated, retired, or archived. Support class shall be visible and shall not imply warranty, certification, approval, maintenance obligation beyond recorded scope, or deployment readiness.

2.2.9 Anti-enclosure. Public-good assets shall preserve public-good commitments, contributor rights, license clarity, attribution, reuse boundaries, support rules, and anti-enclosure discipline. Marketplace shall not allow public-good assets to be privately enclosed, rebranded as proprietary authority, or converted into pay-to-access public-good control without recorded terms and review.

2.2.10 Public-Good Asset boundary. Listing a public-good asset shall not certify correctness, approve use, validate implementation, authorize deployment, create procurement eligibility, create financeability, create public authority approval, create consent, or create execution authority.


2.3 Foundry Output Listings

2.3.1 Foundry Output defined. A Foundry Output Listing is a Marketplace listing for an object produced, packaged, prepared, reviewed, routed, or released through Nexus Foundry or Nexus Acceleration, including tasks, quests, bounties, builds, packs, connectors, dashboards, agents, workflows, schemas, public-good software, technical baselines, Studio workflow candidates, Nexus Core Build outputs, TRL evidence objects, Grid input candidates, support packages, and lawful handoff dependency candidates.

2.3.2 Foundry-to-Marketplace eligibility. A Foundry output shall not be listed as Marketplace-ready merely because it was built, demonstrated, sponsored, used in a campaign, presented at Nexus Universe, or supported by a provider. Marketplace eligibility shall require object classification, steward identification, versioning, release class, support class, public-safe status, data-use labels, AI-use labels, license or IP status, support status, provider-neutrality notes where applicable, sponsor-boundary notes where applicable, correction pathway, and archive rule.

2.3.3 Foundry Pack Listing. A Foundry Pack Listing may include reusable packages such as Nexus Rail Packs, National Portfolio Packs, Nexus Universe Arena Packs, Nexus Core Build Technical Packs, Observatory Node Packs, DRI and GRIx Packs, Digital Twin and Simulation Packs, Sovereign Compute and Edge Packs, AI and Agentic Workflow Packs, Data Room and Secure Room Packs, Public Authority Learning Packs, Finance-Readiness and Insurance-Readiness Packs, Public-Safe Reporting Packs, Safeguard and Protected Knowledge Packs, Academy and WILP Packs, Marketplace and Registry Integration Packs, Studio Runtime Packs, TRL Review and Evidence Packs, Lawful Handoff Dependency Packs, and Teardown, Archive, and Renewal Packs.

2.3.4 Connector and API listings. Foundry connectors and APIs listed in Marketplace shall identify interface purpose, steward, authentication requirements, access controls, data classes, AI-use implications, rate limits, security status, dependencies, logs where applicable, support class, deprecation rule, vulnerability reporting pathway, and prohibited uses.

2.3.5 Dashboard listings. Foundry dashboards listed in Marketplace shall identify dashboard type, source data, data rights, update cadence where known, uncertainty, public-safe status, geospatial sensitivity, public authority boundary, DRI or GRIx linkage where applicable, intended audience, access class, correction pathway, and archive status. Dashboard listing shall not create official risk status or public warning.

2.3.6 Agent and workflow listings. AI agents, agentic workflows, automation workflows, orchestration templates, and Studio workflow candidates listed in Marketplace shall identify AI-use labels, human review requirements, permitted use, prohibited use, data access, public-safe limits, security controls, failure modes, logs where appropriate, support class, and stop-the-line triggers. Agent or workflow listing shall not authorize autonomous execution or high-stakes decision-making.

2.3.7 Task, quest, bounty, and build listings. Foundry tasks, quests, bounties, and builds may be listed as contribution opportunities. Such listings shall identify scope, acceptance criteria, eligibility, contributor terms, IP terms, data rules, AI-use rules, support or reward status where lawful, labor boundary, review requirements, public-safe requirements, iCRS linkage, correction pathway, and archive rule.

2.3.8 Nexus Core Build outputs. Nexus Core Build outputs may be listed only with clear distinction among temporary stack outputs, permanent records, reusable packs, support classes, teardown status, archive status, and current-use limitations. Core Build listing shall not imply production deployment, operational readiness, procurement status, financeability, insurance approval, or public authority approval.

2.3.9 Foundry correction linkage. Marketplace shall route bug reports, security reports, data-rights issues, public-safe concerns, sponsor/provider overclaims, documentation issues, support requests, and localization needs back to Foundry records where appropriate.

2.3.10 Foundry Output boundary. A Foundry Output Listing shall not convert buildability into deployment authority, technical sophistication into certification, demonstration into approval, Nexus Universe use into endorsement, provider contribution into validation, or support interest into financeability.


2.4 Campaign Listings

2.4.1 Campaign Listing defined. A Campaign Listing is a Marketplace listing for a Nexus Campaign, campaign opportunity, signature campaign, support campaign, public-good mobilization pathway, volunteer role, Working Group call, Competence Cell call, data commons campaign, DRR campaign, DRF readiness campaign, DRI campaign, Nexus Universe readiness campaign, public-safe reporting campaign, or lawful handoff readiness campaign.

2.4.2 Campaign discovery purpose. Campaign Listings shall help users find ways to sign, support, pledge, volunteer, learn, contribute data, submit evidence, join Working Groups, join Competence Cells, participate in campaign rooms, prepare Nexus Universe outputs, support public-safe reporting, and route lawful handoff dependency work. Marketplace shall make campaign participation discoverable without making campaigns authoritative.

2.4.3 Campaign Listing Record. Each Campaign Listing shall identify campaign class, scale, steward, jurisdiction, theme, public-good purpose, action types enabled, signature status, support status, volunteer status, data status, AI-use status, public-safe status, safeguard status, support ledger status, Working Group linkage, Competence Cell linkage, Foundry linkage, DICE linkage, GRIx / DRI linkage, Observatory linkage, Nexus Universe status, Registry linkage, correction pathway, and archive status.

2.4.4 Signature campaign listings. Signature campaign listings shall display the exact Signature Statement, signatory class, public display rule, withdrawal rule, verification status, public-safe status, and no-mandate notice. Signature count display shall not imply vote, referendum, public consultation, public authority approval, community consent, Indigenous consent where applicable, procurement support, funding approval, or policy adoption.

2.4.5 Support campaign listings. Support campaign listings shall identify support type, fiscal steward where applicable, payment processor where applicable, use-of-support categories, support ledger, refund or reallocation rule where applicable, sponsor and donor display, restricted support rule, public-safe status, and no-pay-to-influence rule. Support listing shall not create investment, donor commitment, public finance allocation, financeability, or procurement status.

2.4.6 Volunteer and team listings. Volunteer, team, chapter, ambassador, and champion listings shall identify role scope, eligibility, training, supervision, data access, youth safeguards where applicable, labor boundary, iCRS linkage, WILP or micro-credential linkage where applicable, public-safe duties, and correction pathway. Such listings shall not create employment, contractor status, internship status, public authority role, expert standing, or execution assignment.

2.4.7 Working Group and Competence Cell calls. Working Group and Competence Cell listings shall identify mandate, scope, required competencies, stakeholder classes, expected work packages, review requirements, data and AI-use rules, safeguard requirements, public authority boundaries, sponsor/provider boundaries, and no-execution status.

2.4.8 Nexus Universe campaign listings. Campaigns preparing for Nexus Universe may be listed with arena routing status, readiness level, public-safe status, claims freeze status, data freeze status, technical freeze status, Core Build relevance, support needs, and post-Universe continuation pathways. Nexus Universe listing shall not imply endorsement or arena approval beyond recorded status.

2.4.9 Campaign listing correction. Campaign listings shall be corrected, restricted, suspended, delisted, withdrawn, marked non-continuing, retired, or archived where campaign status changes, public-safe status changes, support status changes, sponsor/provider overclaim occurs, public authority language is unsafe, consent overclaim appears, or campaign outputs are withdrawn.

2.4.10 Campaign Listing boundary. Campaign discoverability shall not create public mandate, endorsement, approval, procurement, finance, insurance, certification, public authority action, consent, deployment, command, employment, agency, partnership, or execution.


2.5 Academy, WILP, and Micro-Credential Listings

2.5.1 Learning Listing defined. An Academy, WILP, or Micro-Credential Listing is a Marketplace listing for a learning pathway, Risk Academy module, Nexus Academy module, WILP opportunity, micro-credential, supervised build, learning quest, reviewer training, maintainer training, data stewardship training, AI-use training, public-safe communication training, safeguard training, Nexus Universe preparation pathway, or campaign-linked learning opportunity.

2.5.2 Learning discovery purpose. Learning Listings shall help users find training, supervised practice, contribution pathways, competency development, public-safe communication skills, data and AI literacy, DRR / DRF / DRI literacy, public authority learning modules, Nexus Foundry contribution pathways, Nexus Universe preparation, and lawful handoff literacy. Marketplace shall make learning discoverable without inflating credentials.

2.5.3 Learning Listing Record. Each Learning Listing shall identify learning provider or steward, learning pathway, target audience, prerequisites, learning objectives, duration, delivery mode, access class, assessment method where applicable, iCRS linkage, WILP linkage, micro-credential linkage, expiry or renewal rule, data-use rules, AI-use rules, public-safe requirements, accessibility status, support status, fee or support status where lawful, correction pathway, and archive rule.

2.5.4 Risk Academy listings. Risk Academy listings may include risk literacy, DRR, DRF readiness, DRI, GRIx, DICE, public-safe communication, public authority learning, data stewardship, AI-use, cyber hygiene, geospatial sensitivity, community safeguards, Indigenous protocol sensitivity where applicable, accessibility, volunteer safety, finance boundary, procurement neutrality, sponsor/provider controls, Nexus Universe preparation, and correction modules.

2.5.5 WILP listings. WILP listings shall identify supervised work context, campaign or Foundry linkage, mentor or steward, learner role, expected outputs, learning objectives, data access, AI-use permissions, public-safe requirements, safeguard rules, support or stipend status where applicable, labor boundary, IP terms, iCRS linkage, and completion record. WILP listing shall not create employment, internship status, academic credit, or paid placement unless separately recorded.

2.5.6 Micro-credential listings. Micro-credential listings shall identify issuer, learning outcomes, assessment method, evidence requirements, validity period, renewal rule, scope, limitations, review level, and no-conversion notice. A micro-credential shall not imply academic degree, professional license, public authority approval, procurement qualification, expert certification, employment eligibility, financeability, or execution authority.

2.5.7 Reviewer and maintainer pathway listings. Reviewer training, maintainer training, mentor training, and steward training listings shall identify scope, prerequisites, conflicts, expected duties, public-safe obligations, data-access rules, review limits, correction duties, and expiry. Completion shall not create automatic reviewer, maintainer, mentor, or steward authority unless separately recorded.

2.5.8 Learning support listings. Learning pathways may be supported by scholarships, travel support, accessibility support, translation support, sponsorship, grants, or in-kind support where lawful. Support display shall not create admission, award, employment, credential, or entitlement by implication.

2.5.9 Learning listing correction. Learning listings shall be corrected or retired where curriculum changes, law changes, technical practice changes, public-safe language changes, AI-use practice changes, cybersecurity practice changes, sponsor/provider status changes, accreditation claims are overbroad, or credential meaning changes.

2.5.10 Learning Listing boundary. Learning discoverability shall not create academic credit, professional certification, public authority qualification, employment eligibility, procurement qualification, expert standing, financeability, insurance approval, consent, deployment authority, or execution responsibility by implication.


2.6 Labs and Research Listings

2.6.1 Labs and Research Listing defined. A Labs and Research Listing is a Marketplace listing for a Nexus Labs opportunity, frontier lab challenge, research stream, research call, evidence gap, dataset subject to rights, research-impact pathway, policy research need, technical testbed, public-good research question, field learning pathway, lab-to-Foundry conversion opportunity, Nexus Universe lab pathway, or lawful downstream research interface.

2.6.2 Research discovery purpose. Labs and Research Listings shall connect universities, labs, research centres, national labs, policy labs, public-sector labs, frontier technology labs, students, researchers, Working Groups, Competence Cells, Nexus Foundry programs, DICE, GRIx, DRI, Nexus Observatory, Nexus Universe, public authorities in learning roles, communities, sponsors, providers, and lawful downstream actors around public-good research needs.

2.6.3 Research Listing Record. Each Labs and Research Listing shall identify research scope, steward, source pathway, research question, domain, intended output, data needs, data-use labels, AI-use labels, ethics or research review needs where applicable, public authority relevance, community relevance, Indigenous protocol sensitivity where applicable, protected knowledge risk, IP terms, publication terms, sponsor/provider relationships, conflicts, public-safe status, Foundry conversion potential, Nexus Universe pathway, correction pathway, and archive rule.

2.6.4 Research opportunity classes. Labs and Research Listings may include research calls, evidence reviews, methodology challenges, dataset challenges, policy research needs, frontier technology testbeds, AI and agentic workflow reviews, cyber and infrastructure studies, DRI indicator studies, GRIx ontology work, DICE data stewardship work, digital twin research, geospatial research, public-safe communication research, safeguard research, DRF readiness research, and public authority learning research.

2.6.5 Testbed listings. Testbeds listed in Marketplace shall identify environment, access class, data rules, AI-use rules, safety rules, cybersecurity rules, equipment rules, public authority boundaries, provider involvement, sponsor support, output status, support class, teardown rules, and archive. Testbed listing shall not authorize deployment or public authority use.

2.6.6 Research ethics and approval boundary. Marketplace listing of research opportunities shall not create research ethics approval, institutional review approval, consent, data access approval, human-subjects approval, public authority approval, community approval, Indigenous consent where applicable, funding approval, or publication approval.

2.6.7 Research-to-Foundry conversion. Research outputs may route to Nexus Foundry where suitable for tasks, quests, bounties, builds, datasets, methods, public-good software, dashboards, Studio workflows, Nexus Universe outputs, Grid inputs, TRL evidence notes, or handoff dependency packages. Research visibility shall not force conversion.

2.6.8 Sponsor and provider research controls. Sponsor-supported or provider-supported research listings shall disclose support, conflicts, data rights, IP terms, publication constraints, and provider-neutrality notes. Support shall not control findings, suppress correction, validate products, or create procurement advantage.

2.6.9 Research listing correction. Research listings shall be corrected, restricted, withdrawn, or archived where data rights change, ethical concerns arise, protected knowledge risks appear, public-safe status changes, sponsor/provider influence appears, research claims are overstated, or downstream use becomes unsafe.

2.6.10 Labs and Research Listing boundary. Research discoverability shall not create ethics approval, funding commitment, public authority approval, procurement status, provider validation, financeability, certification, consent, publication right, deployment authorization, or execution authority.


2.7 Risk Agency and Expertise Listings

2.7.1 Risk Agency Listing defined. A Risk Agency and Expertise Listing is a Marketplace listing that makes discoverable certain Risk Agency pathways, expertise categories, training support, advisory support, consultancy support, facilitation support, technical review support, public-safe communication support, public authority learning support, DRR / DRF / DRI support, Nexus Foundry support, Nexus Universe support, campaign support, Labs support, and lawful downstream expertise pathways.

2.7.2 Expertise discovery purpose. Marketplace may help users discover expertise and support pathways across risk, resilience, systems, law, policy, technology, finance-readiness, insurance-readiness, public authority learning, data, AI, cyber, geospatial, infrastructure, WEFH-B systems, public-safe communications, community safeguards, accessibility, protected knowledge, and lawful handoff. Discovery shall not create reliance or automatic authority.

2.7.3 Expertise Listing Record. Each Risk Agency or expertise listing shall identify expertise class, steward, pathway, scope, qualifications or experience where appropriate, review status, jurisdictional limits, reliance limits, conflict disclosures, service or support terms, fee or support status where lawful, public-safe limitations, data rules, AI-use rules, public authority boundary, finance boundary, insurance boundary, procurement boundary, correction pathway, and archive rule.

2.7.4 Expertise categories. Risk Agency and expertise listings may include technical experts, policy experts, public-safe communicators, facilitators, trainers, DRR experts, DRF readiness experts, DRI experts, GRIx experts, DICE data stewards, AI experts, cyber experts, geospatial experts, infrastructure experts, climate experts, WEFH-B experts, public authority learning facilitators, safeguard experts, accessibility experts, community engagement specialists, legal-boundary specialists, and handoff-readiness specialists.

2.7.5 Candidate pathways. Marketplace may list pathways for experts or contributors to be considered for Risk Agency roles, including contribution history, iCRS records, Academy training, WILP completion, micro-credentials, reviewer records, maintainer records, Nexus Universe participation, public-safe communication record, and correction history. Candidate pathway listing shall not create Risk Agency standing.

2.7.6 Advisory and consultancy boundary. A Marketplace listing may make an advisory or consultancy pathway discoverable only under applicable terms. Listing shall not create professional engagement, client relationship, legal advice, investment advice, insurance advice, engineering certification, medical advice, procurement advice, public authority advice, or reliance.

2.7.7 Public authority learning support. Risk Agency-related listings may support public authority learning but shall not create public authority delegation, official advisory status, regulatory comfort, procurement approval, public finance allocation, emergency command, or public authority decision.

2.7.8 Service and support fees. Where expertise listings involve fees, subscriptions, retainers, honoraria, project charges, training fees, or support packages, such terms shall be separately governed. Fee display shall not create procurement, employment, finance, insurance, public authority approval, or guaranteed availability.

2.7.9 Expertise listing correction. Expertise listings shall be corrected, restricted, suspended, withdrawn, or archived where qualifications are overstated, scope changes, conflicts emerge, reliance risk appears, public authority overclaim occurs, finance or insurance overclaim occurs, procurement overclaim occurs, or misuse appears.

2.7.10 Risk Agency Listing boundary. Expertise discoverability shall not create certification, professional license, procurement qualification, employment, client reliance, advisory authority, public authority approval, financeability, insurance approval, deployment authorization, or execution authority by implication.


2.8 DICE, GRIx, DRI, and Observatory Listings

2.8.1 Intelligence and commons listing doctrine. Nexus Marketplace may list DICE, GRIx, DRI, and Nexus Observatory objects only with clear labels, access controls, public-safe status, data-use rules, AI-use rules, uncertainty statements, sensitivity controls, correction pathways, and no-rating / no-warning boundaries.

2.8.2 DICE listings. DICE listings may include datasets, metadata records, data dictionaries, schemas, data-use labels, AI-use labels, data rights templates, data quality notes, lineage records, secure-room patterns, compute-to-data workflows, public-good knowledge objects, and data stewardship opportunities. DICE listings shall not make data open, publishable, AI-usable, transferable, commercializable, or handoff-ready by implication.

2.8.3 GRIx listings. GRIx listings may include ontology mappings, risk category mappings, index templates, classification tools, WEFH-B mappings, sector risk categories, DRI indicator mappings, campaign risk mappings, public-safe risk language templates, and correction workflows. GRIx listings shall not create sovereign ratings, institutional rankings, insurance scores, investment ratings, procurement scores, official classifications, or public authority ratings.

2.8.4 DRI listings. DRI listings may include dashboard templates, indicator libraries, signal intake templates, public-safe risk summary templates, confidence and uncertainty labels, exposure and vulnerability map templates, DRI workflow packs, DRI data requirements, DRI Studio workflows, and DRI public authority learning materials. DRI listings shall not create public warnings, emergency alerts, official risk classifications, operational directives, public authority decisions, insurance scores, or investment ratings.

2.8.5 Observatory listings. Nexus Observatory listings may include Observatory node packs, observability method packs, indicator libraries, Edge observation needs, sensor workflow templates, geospatial workflow templates, digital twin components, dashboard patterns, public-safe observability summaries, and correction workflows. Observatory listings shall not create surveillance authority, public warning authority, official classification, operational command, or public authority decision.

2.8.6 Sensitivity controls. DICE, GRIx, DRI, and Observatory listings shall identify sensitive data, geospatial sensitivity, cyber sensitivity, infrastructure sensitivity, public authority sensitivity, health sensitivity, youth sensitivity, community sensitivity, protected knowledge, Indigenous protocol sensitivity where applicable, and publication restrictions.

2.8.7 AI and analytics controls. Listings involving AI, analytics, models, agents, or automated classification shall identify AI-use permissions, human review requirements, data restrictions, bias risks, hallucination controls, output review, public-safe limits, and prohibited uses.

2.8.8 Public display layers. DICE, GRIx, DRI, and Observatory objects may have public, controlled, restricted, secure-room-only, no-download, no-publication, or archive-only display layers. Marketplace shall not expose restricted objects merely because they are discoverable in controlled form.

2.8.9 Intelligence listing correction. Intelligence and commons listings shall be corrected, restricted, withdrawn, downgraded, sealed, recalled, or archived where data rights change, uncertainty changes, sensitivity changes, public-safe risk appears, protected knowledge risk appears, official-use confusion appears, or downstream misuse appears.

2.8.10 DICE / GRIx / DRI / Observatory boundary. Listings in these categories support data and intelligence legibility. They shall not create official findings, public warnings, ratings, rankings, insurance scores, investment signals, procurement criteria, public authority decisions, consent, deployment authorization, or execution authority.


2.9 Studio, Registry, Grid, TRL, and Handoff Listings

2.9.1 Status and runtime listing doctrine. Marketplace may list Studio workflow candidates, Registry-recorded objects, Grid input candidates, TRL evidence notes, readiness templates, public authority learning materials, and lawful handoff dependency packages only with clear status, use limits, reliance limits, correction pathways, and no-conversion notices.

2.9.2 Studio workflow listings. Studio listings may include controlled workflows, dashboards, simulations, digital twins, data-room workflows, secure-room workflows, AI output review workflows, public authority learning workflows, readiness room workflows, Nexus Universe demonstration workflows, and handoff preparation workflows. Studio listing shall not authorize runtime access, deployment, public authority decision-making, operational command, or execution.

2.9.3 Registry-recorded object listings. Registry-linked listings shall display Registry status truth, including version, steward, lifecycle state, review level, public-safe status, support class, data status, AI-use status, safeguard status, correction status, successor record, and archive state. Registry linkage shall not mean approval.

2.9.4 Grid input listings. Grid input listings may display maturity-relevant evidence, support records, public-safe records, safeguard records, data records, security records, limitations, and correction pathways. Grid input listing shall not create maturity certification, product approval, procurement status, financeability, insurance approval, public authority approval, or deployment authorization.

2.9.5 TRL evidence listings. TRL evidence listings may display TRL 1–10 evidence notes for technical objects, including experiments, prototypes, simulations, tests, benchmark notes, model cards, system cards, support status, limitations, dependencies, downgrade rules, suspension rules, correction pathways, and archive status. TRL display shall not create certification or deployment authorization.

2.9.6 Readiness template listings. Marketplace may list assumptions register templates, dependency register templates, diligence-gap templates, finance-readiness templates, insurance-readiness question-map templates, donor-readiness templates, public finance relevance templates, public authority dependency templates, legal dependency templates, provider-neutrality templates, and handoff readiness templates. Readiness templates shall not create financeability or public authority approval.

2.9.7 Handoff dependency listings. Handoff dependency packages may be listed only where they include evidence context, data context, public-safe status, safeguard status, readiness context, public authority dependencies, legal dependencies, finance and insurance questions, provider-neutrality notes, sponsor influence notes, recipient responsibilities, no-reliance statements, correction pathways, recall pathways, access controls, and archive status.

2.9.8 Handoff candidate display. Handoff candidate status shall be displayed as dependency context only. It shall not imply implementation approval, procurement approval, provider selection, funding approval, insurance approval, public authority approval, community consent, Indigenous consent where applicable, or deployment authorization.

2.9.9 Status and handoff correction. Studio, Registry, Grid, TRL, readiness, and handoff listings shall be corrected, restricted, delisted, suspended, downgraded, recalled, retired, or archived where status changes, evidence changes, data rights change, support status changes, public-safe meaning changes, handoff misuse occurs, or downstream reliance risk appears.

2.9.10 Studio / Registry / Grid / TRL / Handoff boundary. Listings in these categories make status, workflows, maturity inputs, readiness questions, and dependency packages discoverable. They shall not create approval, certification, procurement, finance, insurance, public authority action, consent, deployment, command, or execution.


2.10 Provider, Sponsor, Host, and Support Listings

2.10.1 Provider Listing defined. A Provider Listing is a Marketplace listing that identifies a provider contribution, tool, software, service-support pathway, equipment, data, API, cloud resource, compute resource, training, technical support, integration pathway, maintenance support, or other provider-supported object within Nexus boundaries.

2.10.2 Provider-contribution-without-validation rule. Provider listing shall be contribution without validation. Marketplace shall not describe a provider as Nexus-approved, preferred, certified, vetted for procurement, finance-ready, public authority-approved, deployment-ready, or superior unless a separate lawful and recorded process expressly supports that statement within scope.

2.10.3 Provider Listing Record. Each Provider Listing shall identify provider identity, contribution type, object class, steward, provider role, support class, terms of use, data-use implications, AI-use implications, cybersecurity status where relevant, sponsor or commercial relationships, conflicts, provider-neutrality notes, public-safe status, procurement boundary, finance boundary, public authority boundary, correction pathway, and archive.

2.10.4 Sponsor Listing defined. A Sponsor Listing is a Marketplace listing or display record identifying sponsor support for a Marketplace object, campaign, Foundry build, Academy pathway, Nexus Universe output, DICE object, translation effort, accessibility effort, public-safe reporting effort, bounty, challenge, scholarship, venue, compute, equipment, or support package.

2.10.5 Support-without-control rule. Sponsor listing shall be support without control. Sponsorship shall not control Marketplace display, ranking, routing, Registry status, Studio access, Grid or TRL treatment, Nexus Universe routing, public authority learning outputs, readiness notes, handoff eligibility, or correction decisions.

2.10.6 Sponsor Listing Record. Each Sponsor Listing shall identify sponsor identity, support type, supported object, restrictions, public display permission, sponsor terms, conflicts, support ledger linkage where applicable, no-control rule, no-pay-to-influence rule, public-safe status, correction pathway, termination rule, and archive.

2.10.7 Host Listing defined. A Host Listing is a Marketplace listing for venues, rooms, labs, data rooms, secure rooms, cloud environments, compute environments, field sites, community spaces, university spaces, Nexus Universe spaces, training spaces, or technical environments available for Nexus pathways under recorded terms.

2.10.8 Host Listing Record. Each Host Listing shall identify host identity, location or environment, access terms, permitted use, prohibited use, safety rules, data rules, AI-use rules, cybersecurity rules, insurance or liability notes where relevant, public authority boundary, sponsor/provider boundary, support status, teardown rule, correction pathway, and archive.

2.10.9 Support Listing defined. A Support Listing is a Marketplace listing for public-good support needs or offers, including donations where lawful, sponsorship, grant support, in-kind support, compute support, cloud support, equipment support, translation support, accessibility support, travel support, scholarships, bounties, challenges, venue support, data stewardship support, public-safe reporting support, and community safeguard support.

2.10.10 Support Listing Record. Each Support Listing shall identify support need or offer, steward, recipient, fiscal steward where applicable, support type, restrictions, support terms, payment controls where applicable, refund or reallocation rule where applicable, support ledger linkage, conflicts, public display, no-pay-to-influence rule, correction pathway, and archive.

2.10.11 Public authority-sensitive support. Provider, sponsor, host, or support listings involving public authorities, public institutions, public finance actors, government-linked actors, public procurement contexts, public data, public infrastructure, or public funds shall receive heightened public authority, procurement, finance, anti-bribery, gift, conflict, and public-safe review where applicable.

2.10.12 Provider / Sponsor / Host / Support boundary. Listing providers, sponsors, hosts, or support opportunities shall not create endorsement, approval, procurement status, supplier approval, financeability, insurability, certification, public authority approval, employment, partnership, agency, consent, deployment authorization, or execution authority.


2.11 National Portfolio, National Node, Working Group, and Competence Cell Listings

2.11.1 National Portfolio Listing defined. A National Portfolio Listing is a Marketplace listing for a public-safe or controlled National Portfolio object, including National Challenge Briefs, National Systems-Risk Maps, National Campaign outputs, National Working Group outputs, Competence Cell outputs, DICE objects, DRI records, GRIx mappings, Nexus Universe outputs, Foundry tasks, readiness notes, and handoff dependency candidates.

2.11.2 National ownership rule. National Portfolio Listings shall preserve national ownership and shall not allow external actors to bypass National Nodes, National Nexus Consortiums, national stakeholder pathways, public authority processes, community safeguards, Indigenous protocols where applicable, data sovereignty, or lawful national continuation.

2.11.3 National Node Listing. Marketplace may list National Node capabilities, public-safe resources, Working Group opportunities, Competence Cell opportunities, Academy pathways, Campaign opportunities, support needs, Nexus Universe readiness pathways, and public-good assets. National Node listing shall not create government approval, national endorsement, public authority status, procurement status, or execution authority.

2.11.4 Working Group Listing. Marketplace may list Working Group mandates, calls for participation, work packages, evidence needs, data needs, DRI needs, public-safe reporting needs, Nexus Universe pathways, and support needs. Working Group listing shall not create board status, public authority status, certification status, procurement status, finance status, or execution status.

2.11.5 Competence Cell Listing. Marketplace may list Competence Cell capabilities, work packages, technical needs, contributor calls, data needs, review queues, Foundry conversions, Nexus Universe readiness records, support needs, and public-good outputs. Competence Cell listing shall not certify competence, validate outputs, approve providers, authorize deployment, or create execution responsibility.

2.11.6 National localization display. Listings may display national localization status, language status, legal localization status, data localization status, public authority learning status, community safeguard status, and Nexus Universe national routing status. Localization status shall not imply national approval, legal compliance, public authority approval, or readiness.

2.11.7 National public-safe display. National listings shall distinguish public, controlled, restricted, sealed, and archive-only layers to avoid exposing sensitive national data, infrastructure data, public authority data, community-sensitive information, protected knowledge, or reputationally sensitive materials.

2.11.8 National portfolio and node correction. National listings shall be corrected or restricted where national status changes, data sovereignty requirements change, public authority language is unsafe, public-safe status changes, community safeguards require changes, or national routing changes.

2.11.9 National listing boundary. National portfolio, National Node, Working Group, and Competence Cell discoverability shall not create government endorsement, public authority approval, procurement status, financeability, insurance approval, certification, community consent, Indigenous consent where applicable, deployment authorization, or execution.


2.12 Nexus Universe, Arena, and Core Build Listings

2.12.1 Nexus Universe Listing defined. A Nexus Universe Listing is a Marketplace listing for a public-safe or controlled Nexus Universe output, arena candidate, arena pack, Core Build request, Core Build output, public authority learning room material, readiness room material, Studio demonstration candidate, DICE object, DRI dashboard, GRIx mapping, Campaign output, Foundry build, Academy pathway, or lawful handoff dependency candidate associated with a Nexus Universe cycle.

2.12.2 Universe cycle status. Nexus Universe listings shall identify cycle, arena, room, pathway, steward, public-safe status, data status, AI-use status, claims freeze status, data freeze status, technical freeze status, support status, Nexus Foundry linkage, Campaign linkage, Registry linkage, Studio linkage, Grid / TRL linkage where applicable, continuation status, correction pathway, and archive.

2.12.3 Arena candidate listing. Arena candidate listings shall identify proposed arena, readiness status, review status, public-safe status, safeguard status, data-use labels, AI-use labels, support needs, contributor roles, and no-endorsement notice. Arena candidacy shall not imply acceptance, endorsement, public authority approval, financeability, procurement status, or execution.

2.12.4 Core Build Request Listing. Core Build Request Listings shall identify technical need, compute need, network need, data-room need, secure-room need, dashboard need, AI workflow need, simulation need, public-safe reporting need, teardown need, support need, access requirements, and correction pathway. A Core Build Request listing shall not guarantee acceptance or deployment.

2.12.5 Core Build Output Listing. Core Build Output Listings shall identify what was produced, what remains temporary, what becomes a permanent record, what is reusable, what is supportable, what is archived, what was torn down, what security or data restrictions apply, and what limitations remain.

2.12.6 Live-cycle listing controls. Marketplace listings linked to live Nexus Universe activity shall respect claims freeze, data freeze, technical freeze, public-safe communication rules, media rules, sponsor/provider display rules, public authority language rules, support ledger rules, incident channels, and correction channels.

2.12.7 Post-Universe listing controls. After Nexus Universe, listings shall be updated for continuation, Foundry routing, Academy routing, DICE routing, Observatory routing, Marketplace continuation, Registry status update, Studio renewal, Grid / TRL update, handoff candidacy, correction, non-continuation, retirement, or archive.

2.12.8 Universe and Core Build boundary. Nexus Universe, Arena, and Core Build listings shall not turn annual visibility, technical intensity, demonstration, or live presence into endorsement, approval, procurement, finance, insurance, certification, public authority action, consent, deployment, command, or execution.


2.13 Lawful Handoff, Enterprise-Interface, and Downstream Actor Listings

2.13.1 Enterprise-interface listing doctrine. Nexus Marketplace may support enterprise-interface discovery where public-good records, Foundry outputs, Campaign outputs, Nexus Universe outputs, readiness notes, technical packs, data objects, Studio workflows, Grid inputs, TRL evidence notes, and handoff dependency packages may become useful to lawful downstream actors. Such discovery shall preserve public-good stack and enterprise-stack separation.

2.13.2 Downstream actor listings. Marketplace may list or route to National Consortium Companies, Project SPVs, providers, operators, contractors, funders, insurers, donors, public finance readers, universities, labs, public authorities, communities, or other lawful actors where appropriate. Such listing shall classify role and shall not create endorsement or authority.

2.13.3 Handoff package listing. A lawful handoff dependency package listing shall include package scope, source records, evidence context, data context, technical context, public-safe status, safeguard status, public authority dependencies, legal dependencies, finance and insurance questions, procurement boundaries, provider-neutrality notes, sponsor influence notes, recipient responsibilities, no-reliance statement, correction pathway, recall pathway, and archive status.

2.13.4 National Consortium Company interface. Marketplace may route appropriate objects to National Consortium Companies only as potential dependency context or support context. Such routing shall not cause a National Consortium Company to receive public-good authority, public authority approval, procurement entitlement, financeability, insurance approval, consent, or implementation authorization by implication.

2.13.5 Project SPV interface. Marketplace may route appropriate objects to Project SPVs only as lawful handoff context where the Project SPV remains responsible for independent diligence, legal compliance, procurement, finance, insurance, technical execution, public authority approvals, community engagement, Indigenous protocols where applicable, data rights, deployment, operations, and maintenance.

2.13.6 Provider and operator interface. Marketplace may route providers or operators to relevant dependency packages, technical packs, data-use rules, public-safe summaries, support requirements, or handoff conditions. Such routing shall not select, approve, validate, certify, or authorize providers or operators.

2.13.7 Downstream recipient responsibility. Every enterprise-interface or handoff listing shall state that downstream recipients remain responsible for all independent diligence, legal review, public authority approvals, procurement processes, finance and insurance decisions, technical decisions, safety, cybersecurity, data protection, community engagement, Indigenous protocols where applicable, deployment, operations, maintenance, and execution.

2.13.8 Enterprise-interface correction. Marketplace shall correct, restrict, recall, or archive enterprise-interface listings where handoff status changes, evidence changes, data rights change, public-safe status changes, provider-neutrality issues arise, sponsor influence appears, recipient misuse occurs, or downstream reliance risk appears.

2.13.9 Enterprise-interface boundary. Enterprise-interface and downstream actor listings shall not create procurement, finance, insurance, public authority approval, provider validation, implementation authorization, community consent, Indigenous consent where applicable, data-use permission, deployment authorization, operational command, or execution by implication.


2.14 Marketplace Collections, Bundles, Catalogues, and Portfolios

2.14.1 Collection defined. A Marketplace Collection is a curated or structured group of listings organized by country, region, theme, hazard, sector, Nexus Universe cycle, Nexus Foundry program, Campaign, National Portfolio, Academy pathway, Labs stream, Risk Agency pathway, DICE commons, GRIx mapping family, DRI dashboard family, Studio workflow family, Grid / TRL family, support need, or lawful handoff pathway.

2.14.2 Bundle defined. A Marketplace Bundle is a packaged set of assets, workflows, templates, datasets, learning modules, support packages, and records designed to be used together within recorded limits, such as a National DRI Dashboard Bundle, Public Authority Learning Bundle, Community Safeguard Bundle, Core Build Bundle, Nexus Universe Arena Bundle, or Lawful Handoff Readiness Bundle.

2.14.3 Catalogue defined. A Marketplace Catalogue is a structured listing surface for a category of Marketplace objects, including Public-Good Software Catalogue, DICE Catalogue, GRIx Catalogue, DRI Catalogue, Observatory Catalogue, Studio Catalogue, Academy Catalogue, Campaign Catalogue, Labs Catalogue, Risk Agency Pathway Catalogue, Support Catalogue, and Handoff Catalogue.

2.14.4 Portfolio defined. A Marketplace Portfolio is a structured view of related listings associated with a national, regional, global, thematic, institutional, campaign, or Nexus Universe pathway. Portfolios may show progress, support needs, outputs, continuation pathways, corrections, and archive records.

2.14.5 Curation rules. Collections, bundles, catalogues, and portfolios shall identify curator, criteria, object classes, inclusion status, exclusion status where relevant, public-safe status, support status, dependencies, update date, correction pathway, and no-conversion notice.

2.14.6 Featured collections. Featured collections may highlight public-good assets, Nexus Universe outputs, Foundry packs, Campaign opportunities, Academy pathways, DICE objects, DRI dashboards, or support needs. Featuring shall not imply endorsement, ranking, priority, certification, procurement status, financeability, or public authority approval.

2.14.7 National and regional portfolios. National and regional Marketplace portfolios shall preserve national ownership, regional non-supremacy, public-safe status, sensitive data restrictions, community safeguards, and no-ranking discipline.

2.14.8 Bundle component rule. A bundle shall not erase component-level restrictions. If one component is restricted, unsupported, sensitive, no-AI-use, no-download, Studio-only, handoff-only, or archive-only, the bundle shall display that component restriction.

2.14.9 Collection and portfolio correction. Collections, bundles, catalogues, and portfolios shall be corrected where included listing status changes, support status changes, public-safe status changes, data-use labels change, AI-use labels change, sponsor/provider status changes, or component objects are withdrawn.

2.14.10 Collection / Bundle / Catalogue / Portfolio boundary. Curating, bundling, cataloguing, featuring, or portfolio display shall not create endorsement, ranking, approval, procurement status, financeability, insurability, certification, public authority action, consent, deployment, or execution.


2.15 Marketplace Classification Labels and Required Notices

2.15.1 Label doctrine. Nexus Marketplace shall use clear labels to prevent misinterpretation. Labels shall make status, access, support, public-safe review, data use, AI use, safeguards, release class, lifecycle state, and no-conversion boundaries visible.

2.15.2 Object labels. Listings may display object labels including Public-Good Asset, Foundry Output, Campaign Opportunity, Academy Pathway, WILP, Micro-Credential, Labs Opportunity, Risk Agency Pathway, DICE Object, GRIx Mapping, DRI Object, Observatory Pack, Studio Workflow, Registry-Recorded Object, Grid Input Candidate, TRL Evidence Note, Support Listing, Provider Contribution, Sponsor Support, Host Support, Nexus Universe Output, National Portfolio Object, Handoff Candidate, or Archive Record.

2.15.3 Access labels. Listings may display access labels including Public, Controlled, Restricted, Invitation-Only, National-Pathway-Required, Working-Group-Linked, Competence-Cell-Linked, Data-Room-Only, Secure-Room-Only, Studio-Only, Public-Authority-Learning-Only, Readiness-Room-Only, Handoff-Recipient-Only, No-Download, No-Publication, No-AI-Training, or Archive-Only.

2.15.4 Status labels. Listings may display status labels including Draft, Submitted, Under Review, Public-Safe Reviewed, Listed, Restricted, Maintained, Community-Supported, Controlled-Support, Studio-Ready, Registry-Recorded, Grid-Input Candidate, TRL-Evidence Candidate, Nexus Universe Candidate, Handoff Candidate, Corrected, Suspended, Withdrawn, Deprecated, Retired, Archived, or Non-Continuing.

2.15.5 No-conversion notices. Listings shall display applicable notices, including No-Endorsement, No-Procurement, No-Finance, No-Investment, No-Insurance, No-Certification, No-Rating, No-Public-Authority-Approval, No-Employment, No-Agency, No-Community-Consent, No-Indigenous-Consent where applicable, No-Deployment, No-Execution, No-Warranty, No-Reliance, Provider-Contribution-Without-Validation, Sponsor-Support-Without-Control, Marketplace-Discovery-Only, Studio-Non-Decision, Registry-Status-Only, Grid-Input-Only, TRL-Classification-Only, Handoff-Dependency-Only, and Archive-Not-Current.

2.15.6 Public-safe notices. Listings with public-facing risk, data, public authority, finance, insurance, procurement, community, Indigenous protocol-sensitive, protected knowledge, youth, cyber, AI, geospatial, Nexus Universe, or handoff implications shall include public-safe notices.

2.15.7 Label hierarchy. Where a positive status label and a limiting notice apply, both shall be displayed. “Studio-ready” shall be displayed with “Studio Non-Decision.” “TRL evidence candidate” shall be displayed with “No Certification.” “Handoff candidate” shall be displayed with “No Execution.” “Provider contribution” shall be displayed with “No Provider Validation.” “Sponsor support” shall be displayed with “No Sponsor Control.”

2.15.8 Label correction. Incorrect, stale, misleading, incomplete, or overclaimed labels shall be corrected promptly where feasible. Label correction may require public-safe notice, Registry update, Marketplace correction, Studio status update, Grid / TRL display correction, handoff recall, or archive.

2.15.9 Label boundary. Labels improve clarity and routing. They shall not create authority, approval, certification, procurement status, financeability, insurance approval, consent, deployment authorization, or execution.


2.16 Final Part II Statement

2.16.1 Final taxonomy formula. Nexus Marketplace shall classify every listing before making it discoverable. Classification shall prevent the Marketplace from becoming a vague catalogue of “solutions” and shall preserve the distinction among public-good assets, Foundry outputs, Campaign opportunities, Academy pathways, Labs opportunities, Risk Agency pathways, DICE objects, GRIx mappings, DRI records, Observatory packs, Studio workflows, Registry entries, Grid inputs, TRL evidence notes, provider contributions, sponsor support, support needs, Nexus Universe outputs, National Portfolio objects, and lawful handoff dependency packages.

2.16.2 Final object-class discipline. Every object class shall carry its own record requirements, status labels, support class, release class, data-use labels, AI-use labels, public-safe status, safeguard status, lifecycle state, correction pathway, and no-conversion notices. A listing shall always say what it is and what it is not.

2.16.3 Final declaration. Nexus Marketplace shall be powerful because it makes the full Nexus production system discoverable; it shall be trustworthy because every listing is classified, scoped, labeled, bounded, correctable, and archivable. Public-good assets shall not become certified products. Foundry outputs shall not become deployment approvals. Campaign listings shall not become public mandates. Academy listings shall not become professional licenses. Labs listings shall not become research approvals. Risk Agency listings shall not become expert certification. DICE listings shall not make data unrestricted. GRIx and DRI listings shall not become ratings or warnings. Studio listings shall not become decision authority. Registry listings shall not become universal approval. Grid and TRL listings shall not become certification. Provider listings shall not become procurement status. Sponsor listings shall not become control. Handoff listings shall not become execution. Marketplace taxonomy shall be the discipline that lets Nexus scale without collapsing discovery into false authority.

3. Listing Requirements, Status Truth, Trust Layer, and Marketplace Record Cards

3.1 Marketplace Listing Record

3.1.1 Marketplace Listing Record defined. A Marketplace Listing Record shall be the authoritative record for each object, opportunity, pathway, support need, provider contribution, sponsor support, public-good asset, Foundry output, Campaign listing, Academy pathway, Labs opportunity, Risk Agency pathway, DICE object, GRIx mapping, DRI object, Observatory pack, Studio workflow, Registry-linked object, Grid input, TRL evidence note, Nexus Universe output, National Portfolio object, or lawful handoff dependency package made discoverable through Nexus Marketplace.

3.1.2 Record-before-display rule. No material Marketplace listing shall be publicly displayed, indexed, featured, support-enabled, download-enabled, API-enabled, Studio-routed, Registry-linked for public display, Grid / TRL-displayed, Nexus Universe-featured, or handoff-discoverable unless a Marketplace Listing Record has been created or an approved provisional listing record has been assigned.

3.1.3 Minimum listing identity fields. Each Marketplace Listing Record shall identify, at minimum:

3.1.3.1 listing name;

3.1.3.2 listing identifier;

3.1.3.3 object class;

3.1.3.4 controlling object class where multi-class;

3.1.3.5 source pathway;

3.1.3.6 steward;

3.1.3.7 submitting person, team, institution, National Node, Working Group, Competence Cell, Foundry program, Campaign, Academy pathway, Labs stream, Risk Agency pathway, provider, sponsor, or other recorded source;

3.1.3.8 Nexus component linkage;

3.1.3.9 jurisdiction, country, region, locality, theme, sector, domain, or Nexus Universe cycle where applicable;

3.1.3.10 listing status;

3.1.3.11 lifecycle state;

3.1.3.12 release class;

3.1.3.13 support class;

3.1.3.14 public display class;

3.1.3.15 access class;

3.1.3.16 correction pathway;

3.1.3.17 archive rule.

3.1.4 Scope and use fields. Each Marketplace Listing Record shall identify intended use, permitted use, prohibited use, target user classes, required prerequisites, access conditions, use limitations, reliance limitations, public-safe limitations, data limitations, AI-use limitations, technical limitations, jurisdictional limitations, national routing requirements, support limitations, and handoff limitations.

3.1.5 Nexus pathway fields. Each record shall identify all relevant Nexus linkages, including Nexus Foundry, Nexus Acceleration, Nexus Campaigns, Nexus Academy, Risk Academy, WILPs, micro-credentials, Nexus Labs, Risk Agency, DICE, GRIx, DRI, Nexus Observatory, Nexus Studio, Nexus Registry, Nexus Grid, TRL 1–10, Nexus Network, Nexus Rails, Nexus Universe, National Nodes, National Nexus Consortiums, National Working Groups, Nexus Competence Cells, National Consortium Companies, Project SPVs, lawful handoff recipients, or archive pathways where applicable.

3.1.6 Data and AI fields. Each listing involving data, metadata, telemetry, code, models, dashboards, images, video, audio, field observations, public authority materials, community materials, geospatial layers, protected knowledge, AI workflows, agents, or automated processing shall include data-use labels, AI-use labels, privacy status, cybersecurity status, geospatial sensitivity, public authority sensitivity, community sensitivity, Indigenous protocol sensitivity where applicable, protected knowledge status, youth-sensitive status, health-sensitive status, infrastructure-sensitive status, cross-border transfer limits, publication limits, and archive status.

3.1.7 IP and license fields. Each listing shall identify ownership, license, contributor terms, background IP, foreground IP, reuse permissions, derivative-use rights, commercial-use permissions or restrictions, attribution requirements, citation requirements where applicable, open-source or public-good software status where applicable, anti-enclosure terms where applicable, support terms, warranty disclaimers, and archive rule.

3.1.8 Support and financial-status fields. Each listing involving support, sponsorship, donation, fee, bounty, challenge, subscription, service charge, compute credit, equipment support, scholarship, travel support, provider contribution, host contribution, or other resource support shall identify support type, support steward, fiscal steward where applicable, payment processor where applicable, support restrictions, support ledger linkage, refund or reallocation rule where applicable, sponsor-boundary notes, provider-neutrality notes, no-pay-to-influence rule, regulated-perimeter review where applicable, and no-finance / no-investment / no-insurance notices.

3.1.9 Review and trust fields. Each record shall identify review status, reviewer class where applicable, public-safe status, safeguard status, security status where applicable, data review status, AI-use review status, provider-neutrality review status, sponsor-control review status, public authority boundary review status, finance and insurance boundary review status, procurement boundary review status, consent-boundary review status, listing completeness status, correction history, withdrawal history, and archive history.

3.1.10 Record boundary. A Marketplace Listing Record is a status and governance record. It shall not create approval, endorsement, certification, procurement status, financeability, insurability, public authority approval, employment offer, community consent, Indigenous consent where applicable, deployment authorization, operational command, or execution authority.


3.2 Marketplace Record Card

3.2.1 Marketplace Record Card defined. A Marketplace Record Card shall be the user-facing status-truth display for a Marketplace listing. It shall summarize the listing’s identity, object class, steward, purpose, permitted uses, prohibited uses, support class, release class, lifecycle state, review status, public-safe status, data-use labels, AI-use labels, license, support status, Registry linkage, Studio status, Grid / TRL status, Nexus Universe status, correction history, and no-conversion notices.

3.2.2 Record Card purpose. The Marketplace Record Card shall prevent confusion by making the listing’s current meaning visible. It shall help users understand whether a listing is experimental, maintained, supported, restricted, public-safe reviewed, data-limited, AI-limited, Studio-ready, Registry-recorded, Grid-input candidate, TRL-evidence candidate, Nexus Universe-linked, handoff candidate, corrected, deprecated, retired, archived, or non-continuing.

3.2.3 Required public fields. A public Marketplace Record Card should include, where applicable:

3.2.3.1 listing name;

3.2.3.2 object class;

3.2.3.3 short public-safe description;

3.2.3.4 steward;

3.2.3.5 source pathway;

3.2.3.6 version or cycle;

3.2.3.7 release class;

3.2.3.8 support class;

3.2.3.9 lifecycle state;

3.2.3.10 access class;

3.2.3.11 permitted-use summary;

3.2.3.12 prohibited-use summary;

3.2.3.13 license summary;

3.2.3.14 data-use labels;

3.2.3.15 AI-use labels;

3.2.3.16 public-safe status;

3.2.3.17 safeguard status;

3.2.3.18 Registry status where applicable;

3.2.3.19 Studio status where applicable;

3.2.3.20 Grid / TRL display where applicable;

3.2.3.21 Nexus Universe linkage where applicable;

3.2.3.22 support status;

3.2.3.23 provider-neutrality note where applicable;

3.2.3.24 sponsor-boundary note where applicable;

3.2.3.25 correction status;

3.2.3.26 archive status;

3.2.3.27 no-conversion notices.

3.2.4 Controlled fields. Controlled Marketplace Record Card fields may include sensitive data status, secure-room access, public authority restrictions, community-sensitive status, protected knowledge classification, Indigenous protocol-sensitive handling where applicable, cybersecurity details, vulnerability notes, restricted dependencies, fiscal details, support restrictions, reviewer notes, incident history, handoff recipient details, and legal review status.

3.2.5 Status badges. Marketplace Record Cards may display badges such as Public-Good Asset, Foundry Output, Campaign Opportunity, Academy Pathway, WILP, Micro-Credential, Labs Opportunity, Risk Agency Pathway, DICE Object, GRIx Mapping, DRI Object, Observatory Pack, Studio Workflow, Registry Recorded, Grid Input Candidate, TRL Evidence Candidate, Nexus Universe Candidate, Handoff Candidate, Public-Safe Reviewed, Data Terms Recorded, AI-Use Labels Applied, Maintained, Community-Supported, Controlled Support, Corrected, Deprecated, Retired, Archived, or Non-Continuing.

3.2.6 Required limitation badges. Where a positive badge may be misread, a limitation badge shall accompany it. Studio-ready shall display Studio Non-Decision. Registry Recorded shall display Status Only. Grid Input Candidate shall display No Certification. TRL Evidence Candidate shall display TRL Classification Only. Handoff Candidate shall display Handoff Dependency Only. Provider Contribution shall display No Provider Validation. Sponsor Support shall display No Sponsor Control. Public-Safe Reviewed shall display Public Communication Status Only.

3.2.7 Record Card versioning. Marketplace Record Cards shall be versioned or status-updated where listing status changes, release class changes, support class changes, public-safe status changes, data-use labels change, AI-use labels change, Registry status changes, Studio status changes, Grid or TRL status changes, Nexus Universe status changes, support status changes, provider or sponsor status changes, correction occurs, withdrawal occurs, retirement occurs, or archive occurs.

3.2.8 Record Card boundary. A Marketplace Record Card preserves visible status. It shall not create endorsement, approval, certification, procurement status, financeability, insurability, public authority approval, employment offer, consent, deployment authorization, operational command, or execution authority.


3.3 Listing Status Classes

3.3.1 Status-class doctrine. Nexus Marketplace shall use listing status classes to distinguish where an object sits in the Marketplace lifecycle. Status classes shall be descriptive, current, correctionable, and bounded. Status shall not be promotional language, implied approval, or maturity certification.

3.3.2 Draft. Draft means a listing is being prepared and is not public-ready. Draft status shall not imply review, public-safe release, support availability, Registry linkage, Studio readiness, Grid / TRL status, Nexus Universe routing, handoff candidacy, or usability.

3.3.3 Submitted. Submitted means a listing has been submitted for intake or classification. Submitted status shall not imply acceptance, listing eligibility, public-safe status, review completion, support enablement, or publication.

3.3.4 Under Review. Under Review means the listing is undergoing classification, public-safe review, data review, AI-use review, safeguard review, support review, provider-neutrality review, sponsor-boundary review, Registry linkage review, Studio review, Grid / TRL display review, handoff review, or other applicable process. Under Review shall not imply future approval or current use.

3.3.5 Listed. Listed means the object has been made discoverable according to its access class and listing conditions. Listed status shall not imply endorsement, approval, certification, procurement eligibility, financeability, insurability, public authority approval, deployment authorization, or execution.

3.3.6 Restricted. Restricted means discovery or access is limited because of data sensitivity, public authority restrictions, community safeguards, protected knowledge, cybersecurity, youth protection, geospatial sensitivity, legal restrictions, support restrictions, or controlled pathway requirements.

3.3.7 Support-Enabled. Support-Enabled means the listing has a support pathway such as donation where lawful, sponsorship, grant support, in-kind support, compute support, equipment support, volunteer support, bounty support, scholarship support, or other support class. Support-Enabled shall not imply investment, financeability, donor commitment, public finance allocation, procurement status, or sponsor control.

3.3.8 Studio-Ready. Studio-Ready means the listing may be used or prepared in a controlled Nexus Studio workflow under recorded conditions. Studio-Ready shall not imply deployment readiness, public authority decision authority, operational authorization, or execution.

3.3.9 Registry-Recorded. Registry-Recorded means the listing has a linked Registry record or status truth entry. Registry-Recorded shall not mean approved, certified, recognized universally, procured, financed, insured, deployed, or executed.

3.3.10 Grid-Input Candidate. Grid-Input Candidate means the listing may be routed for bounded Grid input review. It shall not create maturity certification, procurement status, financeability, insurance approval, public authority approval, or deployment authorization.

3.3.11 TRL-Evidence Candidate. TRL-Evidence Candidate means the listing may have or seek a TRL 1–10 evidence note within recorded scope. It shall not create technical certification, product approval, safety approval, deployment authorization, procurement eligibility, or financeability.

3.3.12 Nexus Universe Candidate. Nexus Universe Candidate means the listing may be relevant to a Nexus Universe arena, Core Build, room, public-safe report, Studio workflow, or annual-cycle pathway. Candidacy shall not imply acceptance, endorsement, public authority approval, procurement status, financeability, insurance approval, certification, or execution.

3.3.13 Handoff Candidate. Handoff Candidate means the listing may be relevant to a lawful handoff dependency package or downstream diligence pathway. Handoff Candidate status shall not authorize implementation or create recipient reliance.

3.3.14 Corrected. Corrected means the listing or linked record has been corrected. Corrected status shall identify what was corrected, when, why, and whether prior versions should be relied upon, restricted, or archived.

3.3.15 Suspended. Suspended means the listing is temporarily restricted or unavailable due to review, incident, rights issue, public-safe concern, data issue, AI-use issue, cybersecurity issue, support issue, provider/sponsor issue, or boundary concern.

3.3.16 Withdrawn. Withdrawn means the listing has been removed from active discoverability because it should no longer be used, displayed, supported, routed, or treated as current.

3.3.17 Deprecated. Deprecated means the listing remains visible for transition or historical reasons but is no longer preferred for current use and may have a successor object.

3.3.18 Retired. Retired means the listing is no longer active, supported, maintained, or recommended for new use, but may remain in archive or legacy access.

3.3.19 Archived. Archived means the listing is preserved for institutional memory without current status. Archive shall not imply current validity, current support, current approval, or current usability.

3.3.20 Non-Continuing. Non-Continuing means the listing or object will not proceed in its current pathway. Non-continuation may reflect insufficient evidence, unresolved safeguards, rights limits, public-safe risk, support lapse, strategic shift, technical infeasibility, or boundary concern.

3.3.21 Status-class boundary. Listing status classes describe Marketplace lifecycle. They shall not create external approval, certification, procurement, finance, insurance, public authority action, consent, deployment, or execution by implication.


3.4 Release Classes

3.4.1 Release-class doctrine. Nexus Marketplace shall use release classes to distinguish conceptual, experimental, controlled, supported, public-safe, Studio-ready, Nexus Universe-ready, handoff-dependency-ready, deprecated, retired, and archived objects. Release class shall state use maturity within Marketplace context only and shall not certify quality or authorize deployment.

3.4.2 Concept. Concept means the object is a proposed idea, design, method, outline, research question, campaign concept, or possible build. Concept release shall not be used as an active implementation object.

3.4.3 Prototype. Prototype means the object has been partly built, tested, or demonstrated but remains experimental and limited. Prototype listing shall not imply production readiness, safety approval, procurement suitability, public authority approval, or deployment authorization.

3.4.4 Internal Draft. Internal Draft means the object is available only to authorized internal or controlled participants for review, development, or correction. Internal Draft shall not be treated as public-safe release.

3.4.5 Controlled Release. Controlled Release means the object may be used by authorized users under conditions, access limits, data limits, AI-use limits, public-safe limits, support limits, and review obligations.

3.4.6 Public-Safe Release. Public-Safe Release means the object may be publicly displayed or used for public-safe communication within recorded limits. Public-Safe Release shall not mean certified accuracy, official approval, or reliance status.

3.4.7 Supported Package. Supported Package means the object has a recorded support class, maintainer or support steward, update pathway, correction pathway, and support limitations. Supported Package shall not create warranty, service-level obligation, deployment approval, or professional responsibility unless separately recorded.

3.4.8 National-Localization-Ready. National-Localization-Ready means the object may be adapted through national pathways subject to national law, language, data rules, public authority boundaries, community safeguards, Indigenous protocols where applicable, public-safe review, and localization records.

3.4.9 Studio-Ready. Studio-Ready means the object may be used in Nexus Studio under controlled conditions. Studio-Ready shall not create decision authority, deployment authorization, or operational readiness.

3.4.10 Nexus Universe-Ready. Nexus Universe-Ready means the object has met applicable internal readiness conditions for Nexus Universe routing, presentation, room use, Core Build support, or annual-cycle display. It shall not create endorsement, public authority approval, procurement status, financeability, certification, or execution.

3.4.11 Handoff-Dependency-Ready. Handoff-Dependency-Ready means the object may be included in a lawful handoff dependency package with no-reliance, recipient responsibility, public authority dependencies, legal dependencies, data dependencies, safeguard dependencies, finance and insurance questions, correction pathway, and recall pathway. It shall not authorize implementation.

3.4.12 Deprecated Release. Deprecated Release means the object remains visible for transition, compatibility, or history but is no longer preferred for current use.

3.4.13 Retired Release. Retired Release means the object is no longer active for current use, maintenance, or support except as preserved for archive or legacy reference.

3.4.14 Archived Release. Archived Release means the object is preserved for institutional memory only and shall not be used as current unless reinstated by current record.

3.4.15 Release-class boundary. Release class is a Marketplace and lifecycle indicator. It shall not create certification, product approval, public authority approval, procurement status, financeability, insurance approval, consent, deployment authorization, operational command, or execution.


3.5 Support Classes

3.5.1 Support-class doctrine. Nexus Marketplace shall use support classes to make support status visible and prevent users from assuming that listed objects are maintained, warranted, funded, deployed, or supported beyond recorded scope.

3.5.2 Unsupported. Unsupported means the listing is available without active maintenance, help, updates, troubleshooting, or user support. Unsupported objects shall be clearly labeled and shall not be used where current support is required unless separately reviewed.

3.5.3 Community-Supported. Community-Supported means support may be available through community contributors, forums, issue queues, or volunteer maintainers without guaranteed response, warranty, or service level.

3.5.4 Maintained. Maintained means a steward or maintainer is identified and the object has an active maintenance pathway, correction pathway, and support boundary. Maintained shall not imply warranty, deployment approval, or professional support.

3.5.5 Controlled Support. Controlled Support means support is available to authorized users under specific conditions, access limits, data limits, confidentiality, security controls, or support terms.

3.5.6 Enterprise-Supported. Enterprise-Supported means a provider, vendor, National Consortium Company, Project SPV, or other lawful downstream actor may provide support under separate terms. Enterprise-Supported shall not imply Nexus procurement approval, provider validation, certification, financeability, or execution by Nexus.

3.5.7 National-Node-Supported. National-Node-Supported means support is available through a National Node or national pathway subject to national ownership, local law, language, data localization, public authority boundaries, safeguards, and support terms.

3.5.8 Regional-Supported. Regional-Supported means support is available through regional coordination or a Regional Nexus pathway without creating regional supremacy over national pathways.

3.5.9 Sponsor-Supported. Sponsor-Supported means support has been provided by a sponsor. Sponsor support shall be displayed with support-without-control language and shall not imply sponsor authority, endorsement, routing control, procurement influence, or validation.

3.5.10 Provider-Supported. Provider-Supported means support has been provided by a provider. Provider support shall be displayed with provider-contribution-without-validation language and shall not imply provider approval, preferred status, procurement eligibility, or technical certification.

3.5.11 Deprecated Support. Deprecated means the support pathway is being phased out or is no longer preferred.

3.5.12 Retired Support. Retired means support is no longer active except for archive or transition purposes.

3.5.13 Archived Support. Archived means support status is historical and shall not be treated as current.

3.5.14 Support class display. Support class shall be visible where a reasonable user might assume support exists. Support terms, limitations, response expectations, costs where applicable, access conditions, and support channels shall be clearly stated.

3.5.15 Support-class boundary. Support class describes support availability only. It shall not create warranty, service-level obligation, certification, procurement status, financeability, insurance approval, public authority approval, deployment authorization, or execution responsibility unless separately and lawfully recorded.


3.6 Marketplace Trust Layer

3.6.1 Trust Layer defined. The Marketplace Trust Layer shall be the integrated set of records, checks, labels, review pathways, disclosures, identity controls, status controls, support controls, correction tools, and archive mechanisms used to make Marketplace discovery reliable, public-safe, and boundary-safe.

3.6.2 Trust elements. The Trust Layer may include listing intake, object classification, steward verification, organization verification, provider disclosure, sponsor disclosure, conflict disclosure, public-safe review, data-use review, AI-use review, cybersecurity review, IP and license review, support review, public authority boundary review, finance and insurance boundary review, procurement boundary review, consent boundary review, Registry linkage, Studio linkage, Grid / TRL display review, handoff review, misuse reporting, correction history, and archive.

3.6.3 Steward verification. Marketplace may verify listing stewards by role, organization, National Node linkage, Working Group linkage, Competence Cell linkage, Foundry linkage, Campaign linkage, Academy linkage, Labs linkage, Risk Agency linkage, provider role, sponsor role, or other appropriate pathway. Steward verification shall not validate the object or certify the steward.

3.6.4 Provider verification. Provider identity may be verified for listing integrity. Provider identity verification shall not approve the provider’s products, services, security posture, legal compliance, procurement eligibility, financeability, insurability, or public authority status.

3.6.5 Sponsor verification. Sponsor identity and support may be verified for display integrity. Sponsor verification shall not imply sponsor authority, control, endorsement, public authority approval, procurement status, financeability, or influence over Marketplace routing.

3.6.6 Public-safe trust controls. Listings with public-facing claims shall be checked for public authority overclaim, procurement overclaim, finance overclaim, insurance overclaim, certification overclaim, consent overclaim, provider validation, sponsor control, emergency language, risk-rating confusion, public-warning confusion, and deployment overclaim.

3.6.7 Data and AI trust controls. Listings involving data or AI shall be checked for data rights, data-use labels, AI-use labels, privacy, cybersecurity, geospatial sensitivity, protected knowledge, public authority-sensitive data, community-sensitive data, youth data, health-sensitive data, infrastructure-sensitive data, model risks, agent risks, and public-safe output risks.

3.6.8 Marketplace misuse reporting. Users shall be able to report false claims, fraudulent listings, impersonation, misleading status, fake provider claims, fake sponsor claims, fake public authority claims, IP misuse, data misuse, AI misuse, public-safe risk, security issues, protected knowledge exposure, procurement overclaim, finance overclaim, insurance overclaim, certification overclaim, consent overclaim, Studio misuse, Registry misuse, Grid / TRL overclaim, and handoff misuse.

3.6.9 Trust Layer boundary. Trust controls increase reliability. They shall not create certification, warranty, legal compliance assurance, public authority approval, procurement approval, financeability, insurability, safety approval, privacy compliance certification, cybersecurity certification, AI certification, or execution readiness.


3.7 Marketplace Verification Without Certification

3.7.1 Verification doctrine. Nexus Marketplace may verify identity, listing completeness, role, status linkage, support status, source pathway, record existence, Registry linkage, Studio linkage, Grid / TRL display basis, payment or support setup where applicable, and public-safe display readiness. Verification shall not become certification.

3.7.2 Identity verification. Identity verification may confirm that a person, organization, provider, sponsor, steward, host, National Node, Working Group, Competence Cell, Campaign team, Academy pathway, Labs stream, or Risk Agency pathway is the recorded actor. Identity verification shall not validate competence, quality, legality, authority, financeability, or procurement eligibility.

3.7.3 Listing completeness verification. Completeness verification may confirm that required fields are present. Completeness shall not imply correctness, approval, safety, quality, maturity, or readiness.

3.7.4 Status linkage verification. Status linkage verification may confirm that a listing links to a Registry entry, Studio workflow, Grid input, TRL evidence note, Foundry record, Campaign record, DICE record, GRIx mapping, DRI record, Observatory record, Nexus Universe record, or handoff package. Linkage shall not approve the object.

3.7.5 Support verification. Support verification may confirm support type, support source, support terms, fiscal steward, support ledger, or support status. Support verification shall not create funding commitment, public finance allocation, investment status, donor approval, sponsor control, or financial assurance.

3.7.6 Public-safe verification. Public-safe verification may confirm that the listing’s public language has been reviewed within recorded scope. Public-safe verification shall not certify accuracy, legal compliance, official approval, or reliance status.

3.7.7 Technical verification limits. Technical checks may confirm documentation, versioning, basic security disclosures, repository existence, API availability, or support classification. Such checks shall not certify technical quality, safety, security, interoperability, standards compliance, deployment readiness, or procurement suitability.

3.7.8 Badge discipline. Marketplace verification badges shall be paired with limitation notices where reliance risk exists. A badge may say “Identity Verified,” “Listing Complete,” “Registry Linked,” “Public-Safe Reviewed,” “Support Terms Recorded,” or “Data Labels Applied,” but shall not say or imply “Certified,” “Approved,” “Preferred,” “Procurement Ready,” “Finance Ready,” “Insured,” “Government Approved,” “Nexus Certified,” or “Deployment Ready” unless separately and lawfully defined and recorded.

3.7.9 Verification correction. Verification status shall be corrected, suspended, withdrawn, or archived where identity changes, support status changes, source records change, Registry linkage changes, public-safe status changes, security status changes, data-use status changes, AI-use status changes, or verification was issued in error.

3.7.10 Verification boundary. Marketplace verification supports trust in records and identity. It shall not create certification, endorsement, procurement eligibility, financeability, insurability, public authority approval, employment qualification, expert standing, consent, deployment authorization, or execution authority.


3.8 Provider-Neutrality and Sponsor-Boundary Notes

3.8.1 Provider-neutrality note requirement. Any Marketplace listing involving provider tools, provider software, provider APIs, provider cloud, provider compute, provider data, provider equipment, provider models, provider staff, provider training, provider support, provider integration, or provider-sponsored work shall include a Provider-Neutrality Note where a reasonable user might infer provider validation, preference, or approval.

3.8.2 Provider-neutrality content. A Provider-Neutrality Note shall identify provider role, contribution type, limits of contribution, whether alternatives exist or may exist, whether the provider reviewed or influenced the listing, support terms, commercial terms where applicable, conflicts, data implications, AI-use implications, public authority boundary, procurement boundary, finance boundary, correction pathway, and no-validation statement.

3.8.3 Sponsor-boundary note requirement. Any listing involving sponsor support, donor support, grant support, philanthropic support, in-kind support, venue support, compute support, equipment support, media support, scholarship support, travel support, bounty support, challenge support, or campaign support shall include a Sponsor-Boundary Note where sponsor influence or public overclaim could be inferred.

3.8.4 Sponsor-boundary content. A Sponsor-Boundary Note shall identify sponsor identity where public or permitted, support type, support restrictions, public display permission, whether support is restricted or unrestricted, support ledger linkage where applicable, sponsor influence limits, no-control statement, no-pay-to-influence statement, conflicts, correction pathway, termination rule, and archive rule.

3.8.5 Public display. Provider-neutrality and sponsor-boundary notes shall be displayed in plain language where a user might rely on the listing for procurement, public authority learning, finance or insurance consideration, Nexus Universe participation, Studio use, Grid / TRL interpretation, or handoff.

3.8.6 Provider and sponsor conflicts. Conflicts involving providers or sponsors shall be disclosed and managed through listing restrictions, review, independent review, recusal, public-safe language, support restrictions, provider-neutrality notes, sponsor-boundary notes, correction, or delisting.

3.8.7 No pay-to-routing. Provider or sponsor involvement shall not determine Marketplace ranking, featured placement, Registry status, Studio access, Grid input, TRL display, Nexus Universe routing, Campaign visibility, Foundry priority, Risk Agency pathway, or handoff eligibility unless the basis is separately recorded, public-good aligned, and non-controlling.

3.8.8 Note correction. Provider-neutrality and sponsor-boundary notes shall be corrected where provider role changes, sponsor role changes, support status changes, conflicts emerge, public meaning changes, procurement risk appears, finance or insurance overclaim appears, public authority overclaim appears, or misuse occurs.

3.8.9 Provider/sponsor note boundary. Provider-neutrality and sponsor-boundary notes clarify role and limits. They shall not validate providers, approve sponsors, certify objects, create procurement status, create financeability, create public authority approval, or authorize execution.


3.9 Public-Safe, Data-Use, AI-Use, and Safeguard Status

3.9.1 Public-safe status. Marketplace listings shall display public-safe status where public-facing claims, risk information, public authority information, finance or insurance language, procurement-sensitive language, community information, Indigenous protocol-sensitive information where applicable, protected knowledge, youth information, Nexus Universe outputs, Studio workflows, Grid / TRL references, or handoff candidates are involved.

3.9.2 Public-safe status classes. Public-safe status may include Not Reviewed, Internal Draft, Public-Safe Review Required, Public-Safe Reviewed, Public-Safe Released, Restricted Public-Safe Release, Corrected Public-Safe Release, Withdrawn, Superseded, Archive-Only, or No-Publication.

3.9.3 Data-use status. Listings involving data shall display data-use status, including open, restricted, controlled, confidential, public authority-sensitive, community-sensitive, Indigenous protocol-sensitive where applicable, protected knowledge, youth-sensitive, health-sensitive, infrastructure-sensitive, cyber-sensitive, geospatial-sensitive, secure-room-only, compute-to-data-only, no-download, no-publication, no-AI-training, no-commercial-use, no-handoff, or archive-only.

3.9.4 AI-use status. Listings involving AI, agents, models, datasets, content, code, or workflows shall display AI-use status, including no AI use, retrieval permitted, summarization permitted, translation permitted, classification permitted, synthesis permitted, human-reviewed AI output permitted, model training prohibited, fine-tuning prohibited, synthetic data prohibited, agentic workflow restricted, public-output generation restricted, or specific permitted AI-use classes.

3.9.5 Safeguard status. Listings involving communities, Indigenous protocols where applicable, protected knowledge, youth, disability inclusion, public-interest groups, humanitarian settings, field activity, health-sensitive data, geospatial sensitivity, or rights-bearing data shall display safeguard status, including Not Screened, Safeguard Screen Required, Safeguard Screened, Controlled Safeguard Release, Community-Sensitive, Indigenous-Protocol-Sensitive where applicable, Protected-Knowledge-Sensitive, Youth-Sensitive, Accessibility-Reviewed, Corrected, Restricted, Sealed, or Archive-Only.

3.9.6 Public-safe and safeguard hierarchy. Where public-safe status and safeguard status conflict, the more protective status shall control. A public-safe summary shall not override protected knowledge restrictions. A public listing shall not override youth privacy. A Studio workflow shall not override data-use limits. A Marketplace display shall not override community or Indigenous protocol-sensitive restrictions where applicable.

3.9.7 Status change propagation. Changes to public-safe status, data-use status, AI-use status, or safeguard status shall propagate to Marketplace display, access, downloads, APIs, Studio routing, Registry display, Grid / TRL display, Nexus Universe materials, Campaign pages, support listings, and handoff packages where affected.

3.9.8 Status boundary. Public-safe, data-use, AI-use, and safeguard status labels guide use and protection. They shall not create certification, legal compliance assurance, privacy compliance, cybersecurity compliance, AI compliance, public authority approval, consent, deployment authorization, or execution.


3.10 Correction History, Versioning, Supersession, and Archive Visibility

3.10.1 Correction history requirement. Marketplace listings shall preserve correction history where prior listing states, public claims, data labels, AI-use labels, public-safe language, support status, provider involvement, sponsor involvement, Registry status, Studio status, Grid / TRL status, Nexus Universe status, or handoff status may affect user reliance or downstream use.

3.10.2 Versioning. Marketplace listings shall use versioning where objects change materially, including code, datasets, dashboards, methods, templates, learning modules, public-safe summaries, risk intelligence objects, Studio workflows, support packages, handoff packages, and public-good software. Version records shall distinguish current, prior, superseded, withdrawn, deprecated, retired, and archived versions.

3.10.3 Supersession. A listing may be superseded by a newer version, replacement object, corrected object, localized version, National Node version, Foundry release, Registry update, Studio update, Grid / TRL update, Nexus Universe cycle update, or handoff package revision. Superseded listings shall identify successor records and current-use limits.

3.10.4 Withdrawal visibility. Withdrawn listings shall be removed from ordinary discovery where continued discovery may cause misuse, but withdrawal notices may remain visible where public correction, downstream awareness, or institutional memory requires.

3.10.5 Deprecation visibility. Deprecated listings may remain discoverable with clear warnings, successor links, support limits, and current-use restrictions. Deprecated status shall not be hidden where users may still encounter the object.

3.10.6 Archive visibility. Archived listings may remain discoverable for institutional memory, research, audit, correction, or historical purposes. Archived listings shall display Archive-Not-Current notices and shall not be included in current opportunity, support, procurement-adjacent, Studio-ready, Grid / TRL current, or handoff current pathways unless reinstated by current record.

3.10.7 Recall visibility. Where a listing or handoff package is recalled, Marketplace shall display or route recall notices to affected users, stewards, recipients, Registry entries, Studio workflows, Grid / TRL records, Nexus Universe materials, Campaign pages, and handoff packages where feasible and appropriate.

3.10.8 Correction inheritance. Corrections to component objects shall affect composite listings, bundles, catalogues, collections, portfolios, Studio workflows, support listings, and handoff packages where relevant. A bundle shall not remain current where a critical component has been withdrawn unless the bundle is corrected.

3.10.9 Correction boundary. Correction history and archive visibility preserve trust and memory. They shall not create legal liability determination, public authority finding, certification, approval, procurement decision, finance decision, insurance decision, consent, deployment authorization, or execution authority.


3.11 Listing Completeness, Quality Signals, and User Guidance

3.11.1 Completeness doctrine. Nexus Marketplace may display listing completeness to help users understand whether required fields, labels, records, support information, license information, data-use labels, AI-use labels, public-safe status, and correction pathways are present. Completeness shall not equal quality.

3.11.2 Completeness levels. Listings may display completeness levels such as Incomplete, Minimum Fields Complete, Listing Record Complete, Public-Safe Fields Complete, Data and AI Fields Complete, Support Fields Complete, Registry Linkage Complete, Studio Fields Complete, Grid / TRL Fields Complete, Handoff Fields Complete, or Archive Fields Complete.

3.11.3 Quality signals. Marketplace may display quality signals such as documentation available, tests available, review notes available, maintainer identified, support class recorded, vulnerability channel available, data lineage recorded, public-safe reviewed, accessibility reviewed, localization available, correction history available, or successor record available.

3.11.4 Quality signals not certification. Quality signals shall not become ratings, rankings, approval, certification, standards conformance, procurement scoring, finance signal, insurance score, public authority approval, or deployment readiness.

3.11.5 User guidance. Marketplace may provide user guidance explaining how to interpret listings, status labels, support classes, release classes, Registry linkages, Studio statuses, Grid inputs, TRL references, public-safe labels, data-use labels, AI-use labels, and handoff candidates.

3.11.6 Responsible-use prompts. Marketplace may display prompts before download, API access, Studio routing, support, donation, provider contact, handoff package access, or sensitive data viewing, including data-use prompts, AI-use prompts, public-safe prompts, no-reliance prompts, no-procurement prompts, no-finance prompts, no-certification prompts, no-consent prompts, and no-execution prompts.

3.11.7 User-action logging. Marketplace may record downloads, access requests, API calls, support actions, handoff package views, Studio routing, or sensitive listing access where appropriate for security, audit, support, correction, or recall. Such logging shall follow privacy and data minimization rules.

3.11.8 User guidance boundary. Completeness signals, quality signals, and guidance improve interpretation. They shall not create certification, legal advice, financial advice, insurance advice, procurement advice, public authority guidance, professional advice, or execution instruction.


3.12 Final Part III Statement

3.12.1 Final record formula. Nexus Marketplace shall make discovery trustworthy by requiring every listing to have a record, every record to have a class, every class to have required fields, every field to have limits, every support pathway to have terms, every data object to have data-use labels, every AI object to have AI-use labels, every public-facing object to have public-safe status, every sensitive object to have safeguards, every provider contribution to have neutrality notes, every sponsor support to have boundary notes, every Registry / Studio / Grid / TRL / handoff linkage to have no-conversion notices, every correction to have history, and every archive to have non-current status.

3.12.2 Final status-truth discipline. Marketplace status truth shall be stronger than promotional display. Listed shall not mean approved. Verified shall not mean certified. Maintained shall not mean warranted. Public-safe reviewed shall not mean official. Studio-ready shall not mean deployable. Registry-recorded shall not mean recognized. Grid input shall not mean mature. TRL evidence shall not mean certified. Nexus Universe candidate shall not mean endorsed. Handoff candidate shall not mean authorized. Provider-supported shall not mean validated. Sponsor-supported shall not mean controlled.

3.12.3 Final declaration. Nexus Marketplace shall be credible because every listing carries visible identity, scope, status, support, use limits, rights, data labels, AI labels, safeguards, review level, correction history, and archive state. Marketplace shall allow users to discover powerful Nexus assets and opportunities without guessing what they mean, who stands behind them, whether they are current, whether they are safe to use, whether they are supported, whether they are restricted, or whether they have been corrected. Status truth shall be the Marketplace trust architecture, and status truth shall never be allowed to become false authority.

4. Marketplace Relationship to Nexus Foundry, Acceleration, Universe, Studio, Registry, Grid, TRL, Network, and Rails

4.1 Relationship to Nexus Acceleration

4.1.1 Marketplace as Acceleration realization layer. Nexus Marketplace shall form part of the Nexus Acceleration realization stack by making accelerated capabilities discoverable, reusable, supportable, localizable, comparable within limits, and routable across public-good, national, regional, global, thematic, technical, learning, research, campaign, Studio, Registry, Grid, TRL, Nexus Universe, and lawful handoff pathways. Marketplace shall make Acceleration outputs legible without converting Acceleration momentum into authority, approval, procurement, finance, insurance, certification, deployment, or execution.

4.1.2 Acceleration-to-Marketplace pathway. Nexus Acceleration outputs may become Marketplace listings only where the relevant object has been classified, scoped, stewarded, labeled, reviewed where required, assigned a release class, assigned a support class, linked to Registry status where applicable, linked to Studio status where applicable, bounded for Grid or TRL display where applicable, and provided with correction, withdrawal, retirement, non-continuation, and archive pathways.

4.1.3 Marketplace as acceleration memory. Marketplace shall prevent Acceleration work from dissolving after pilots, programs, campaigns, events, demonstrations, or annual cycles by preserving discoverable listings, support classes, release states, Registry linkages, Foundry records, Studio workflows, Grid inputs, TRL evidence notes, Nexus Universe records, correction histories, successor records, and archives.

4.1.4 Acceleration without hype conversion. Nexus Marketplace shall prevent accelerated work from being marketed as more mature than the record supports. Acceleration speed shall not create maturity. Visibility shall not create validation. Public interest shall not create financeability. Provider involvement shall not create approval. Nexus Universe presence shall not create endorsement. Marketplace shall display current truth even when the object is promising, popular, sponsored, technically impressive, or strategically important.

4.1.5 Acceleration program listings. Marketplace may list Acceleration programs, tracks, calls, opportunities, challenges, public-good support needs, Nexus Universe preparation pathways, Foundry production pathways, Working Group opportunities, Competence Cell opportunities, Academy pathways, Labs opportunities, Campaign opportunities, and lawful handoff readiness pathways. Such listings shall be opportunity records only and shall not create admissions, awards, employment, procurement, finance, certification, public authority approval, or execution authority.

4.1.6 Acceleration extension governance. Marketplace shall support governed extension of Acceleration outputs through developers, contributors, providers, sponsors, universities, labs, National Nodes, Working Groups, Competence Cells, Campaign teams, Academy participants, Risk Agency pathways, and lawful downstream actors. Extension shall remain controlled by record status, access class, license terms, data-use labels, AI-use labels, public-safe status, safeguard status, and correction history.

4.1.7 Acceleration boundary. Marketplace support for Nexus Acceleration shall not transform acceleration into procurement, investment, insurance, certification, standards adoption, public authority approval, community consent, Indigenous consent where applicable, deployment authorization, operational command, or execution by implication.


4.2 Relationship to Nexus Foundry

4.2.1 Marketplace as Foundry discovery layer. Nexus Foundry shall be the production engine that turns public-good needs, campaign signals, National Portfolio priorities, technical gaps, evidence needs, data needs, Studio needs, Nexus Universe needs, and lawful handoff dependencies into tasks, quests, bounties, builds, packs, workflows, public-good software, data objects, dashboards, templates, schemas, AI workflows, public-safe summaries, and supportable outputs. Nexus Marketplace shall make eligible Foundry outputs discoverable without replacing Foundry’s production, review, versioning, support, correction, teardown, or archive responsibilities.

4.2.2 Foundry produces; Marketplace displays. Foundry shall scope, build, test, package, version, support, release, correct, retire, and archive. Marketplace shall list, classify, expose, route, support, compare within limits, display status, receive feedback, and preserve discovery. Marketplace shall not build merely by listing; Foundry shall not confer public authority merely by producing.

4.2.3 Foundry output eligibility. A Foundry output shall be eligible for Marketplace listing only after a Listing Record identifies object class, steward, source pathway, version, release class, support class, intended use, prohibited use, data-use labels, AI-use labels, public-safe status, safeguard status, license or IP terms, provider involvement, sponsor involvement, Registry linkage where applicable, Studio linkage where applicable, Grid / TRL linkage where applicable, correction pathway, withdrawal rule, and archive rule.

4.2.4 Foundry task and quest listings. Marketplace may list Foundry tasks and quests as contribution opportunities. Such listings shall include scope, steward, required competencies, expected output, eligibility, contributor terms, data-use rules, AI-use rules, IP terms, support or reward status where lawful, review requirement, public-safe requirement, iCRS linkage, WILP or micro-credential linkage where applicable, correction pathway, and archive rule.

4.2.5 Foundry bounty listings. Marketplace may list Foundry bounties where a defined deliverable, acceptance criteria, reward or support status where lawful, contribution terms, IP and licensing terms, data controls, AI-use controls, labor boundary, review process, public-safe requirements, and correction pathway are recorded. A bounty listing shall not create employment, contractor engagement, procurement work, prize entitlement, or payment obligation unless separately accepted under lawful terms.

4.2.6 Foundry build listings. Marketplace may list Foundry builds, build teams, build outputs, build needs, and build continuation pathways. Build listings shall distinguish concept, prototype, controlled release, public-safe release, supported package, Studio-ready package, Nexus Universe-ready package, handoff-dependency-ready package, deprecated package, retired package, and archived package.

4.2.7 Foundry pack listings. Marketplace may list Foundry packs including evidence packs, data packs, dashboard packs, Studio workflow packs, Observatory packs, DRI packs, GRIx packs, National Portfolio packs, public authority learning packs, readiness packs, Academy packs, public-safe reporting packs, campaign packs, Nexus Universe packs, Core Build packs, and lawful handoff dependency packs. Each pack shall preserve component-level restrictions and shall not make restricted components public by bundling.

4.2.8 Foundry-to-Marketplace feedback. Marketplace shall route user feedback, support requests, bug reports, vulnerability reports, localization requests, documentation requests, data-rights issues, AI-use questions, public-safe concerns, provider-neutrality concerns, sponsor-boundary concerns, and handoff questions back to Foundry records where appropriate.

4.2.9 Foundry correction propagation. Where Foundry corrects, withdraws, deprecates, retires, supersedes, or archives an output, Marketplace shall update listing status, support class, release class, Registry linkage, Studio linkage, Grid / TRL display, Nexus Universe references, support listings, and handoff dependencies where affected.

4.2.10 Foundry boundary. Marketplace listing of Foundry outputs shall not create certification, technical approval, public authority approval, procurement status, financeability, insurability, provider validation, deployment authorization, warranty, operational command, or execution authority.


4.3 Relationship to Nexus Universe

4.3.1 Marketplace as Nexus Universe continuity layer. Nexus Marketplace shall provide the before-during-after continuity layer for Nexus Universe by making annual-cycle outputs, arena candidates, Core Build requests, Studio workflows, public-safe summaries, National Portfolio objects, Campaign outputs, Foundry builds, DICE objects, GRIx mappings, DRI dashboards, Observatory needs, Academy pathways, Labs opportunities, support needs, and handoff dependency packages discoverable and correctable across cycles.

4.3.2 Pre-Universe listings. Before Nexus Universe, Marketplace may list preparation opportunities, including campaign calls, Working Group calls, Competence Cell calls, volunteer roles, learning pathways, WILPs, micro-credentials, public-safe reporting tasks, data commons needs, DRI dashboard needs, GRIx mapping needs, Foundry tasks, Core Build requests, Studio workflow candidates, support needs, sponsor support opportunities, provider contribution opportunities, and public authority learning materials.

4.3.3 Live-Universe listings. During Nexus Universe, Marketplace may surface live-cycle listings for arena materials, room materials, public-safe summaries, Studio demonstrations, Core Build outputs, support needs, volunteer roles, learning pathways, public authority learning materials, readiness room materials, media-safe materials, and correction notices. Live-cycle listings shall be governed by claims freeze, data freeze, technical freeze, public-safe review, media rules, sponsor/provider display controls, access controls, incident channels, and correction channels.

4.3.4 Post-Universe listings. After Nexus Universe, Marketplace shall support continuation by classifying outputs for Foundry continuation, national continuation, regional continuation, global continuation, Campaign continuation, Academy reuse, Labs research, Risk Agency pathway consideration, DICE routing, Observatory routing, Registry status updates, Studio renewal, Grid or TRL updates, handoff dependency packaging, correction, non-continuation, retirement, or archive.

4.3.5 Nexus Universe candidate status. A Marketplace listing may be marked as Nexus Universe Candidate only where a Nexus Universe routing record or equivalent pathway indicates relevance. Candidate status shall not imply acceptance, presentation rights, agenda priority, endorsement, public authority approval, procurement status, financeability, insurance approval, certification, or implementation status.

4.3.6 Nexus Universe featured status. A Marketplace listing may be featured in connection with Nexus Universe where its display is public-safe, status-accurate, and bounded. Featured status shall not imply ranking, quality approval, official selection beyond recorded display status, procurement eligibility, financeability, insurability, certification, public authority approval, or deployment authorization.

4.3.7 Nexus Core Build listings. Marketplace may list Nexus Core Build requests, outputs, technical packs, temporary-stack records, permanent-record outputs, teardown notes, archive records, and support needs. Core Build listings shall distinguish temporary technical stack from permanent record, annual surge from year-round support, demonstration from deployment, and technical intensity from authority.

4.3.8 Universe public authority learning materials. Marketplace may list public authority learning materials generated for or through Nexus Universe, provided such materials are labeled non-decision, public-safe, no-warning, no-approval, no-procurement, no-finance, no-insurance, and no-execution where applicable.

4.3.9 Annual-cycle archive. Marketplace shall preserve Nexus Universe cycle archives with cycle-specific labels, final status, correction history, successor records, support status, and non-current-use notices. Prior cycle visibility shall not create current authority.

4.3.10 Nexus Universe boundary. Marketplace support for Nexus Universe shall not convert event presence, annual visibility, arena routing, Core Build intensity, public authority attendance, media coverage, sponsor support, provider contribution, or audience attention into endorsement, procurement, finance, insurance, certification, public authority approval, consent, deployment, command, or execution.


4.4 Relationship to Nexus Studio

4.4.1 Marketplace as Studio discovery layer. Nexus Studio shall provide controlled workflow, runtime preparation, simulation, dashboard, data-room, secure-room, public authority learning, readiness-room, AI review, and demonstration environments. Nexus Marketplace may make Studio workflows, Studio-ready packages, Studio candidates, Studio templates, Studio support needs, and Studio outputs discoverable within recorded limits.

4.4.2 Studio-ready listing requirements. A Marketplace listing shall not be labeled Studio-Ready unless it has a Studio Workflow Record or equivalent status identifying workflow purpose, users, roles, data flows, AI components, dashboards, simulations, access controls, public-safe status, safeguard status, output review, logs where appropriate, shutdown rules, correction pathway, and archive.

4.4.3 Studio candidate listings. Studio candidate listings may identify workflows proposed for controlled runtime preparation, public authority learning, DRI dashboard testing, data review, AI output review, readiness review, Nexus Universe demonstration, or handoff dependency preparation. Candidate status shall not authorize use.

4.4.4 Studio public authority workflows. Marketplace listings for public authority learning Studio workflows shall display non-decision status. Such workflows shall not issue approvals, warnings, classifications, orders, procurement decisions, public finance decisions, regulatory comfort, permits, licenses, or emergency commands.

4.4.5 Studio readiness workflows. Marketplace listings for capital-reader, insurance-reader, donor-reader, public finance learning, or DRF readiness Studio workflows shall display no-reliance, non-soliciting, non-transactional, confidentiality-aware, competition-compliant, and regulated-perimeter notices.

4.4.6 Studio demonstration listings. Marketplace may list Studio demonstrations for public-safe learning, technical review, Nexus Universe preparation, Campaign support, Academy training, Labs research, or stakeholder understanding. Demonstration listing shall not imply product approval, public authority approval, procurement status, financeability, insurance approval, certification, deployment readiness, or execution.

4.4.7 Studio access controls. Marketplace may route users to request Studio access, but access shall be governed by Studio terms, eligibility, role classification, data-use rules, AI-use rules, security controls, public-safe status, safeguard status, and support terms. Marketplace listing shall not create access entitlement.

4.4.8 Studio correction and shutdown. Where a Studio workflow is paused, corrected, restricted, shut down, superseded, or archived, Marketplace shall update listing status, display access restrictions, correct public-safe language, disable access routes where necessary, and update linked Registry, Grid, TRL, Nexus Universe, or handoff references.

4.4.9 Studio boundary. Marketplace listing of Studio workflows shall not create decision authority, deployment authorization, public authority action, procurement status, financeability, insurance approval, certification, consent, operational command, or execution.


4.5 Relationship to Nexus Registry

4.5.1 Registry as status truth. Nexus Registry shall preserve status truth for Nexus objects. Nexus Marketplace shall display and route Registry-linked status where such status affects discoverability, trust, lifecycle state, correction, archive, support, Studio readiness, Grid / TRL display, Nexus Universe linkage, or handoff candidacy.

4.5.2 Registry-linked Marketplace listing. A Marketplace listing may be linked to one or more Registry Entries identifying object identity, version, steward, lifecycle state, review level, public-safe status, support class, data status, AI-use status, safeguard status, dependencies, correction status, successor record, and archive state.

4.5.3 Registry is not approval. Registry linkage shall be displayed with status-only language. A Registry-recorded object shall not be represented as approved, certified, officially recognized, procured, financed, insured, deployed, endorsed, or implementation-ready merely because it has a Registry Entry.

4.5.4 Registry status hierarchy. Marketplace shall distinguish listing status from Registry status. A listed object may be Registry-recorded but unsupported; public-safe released but not Studio-ready; Studio-ready but not handoff-ready; Grid-input candidate but not TRL-classified; TRL-evidence candidate but not certified; archived in Registry but still discoverable for historical purposes.

4.5.5 Registry updates. Where a Registry Entry changes, Marketplace shall update affected listings where feasible and appropriate. Registry updates may affect listing status, support class, release class, public-safe status, data-use labels, AI-use labels, safeguard status, Studio status, Grid / TRL display, Nexus Universe status, handoff status, correction notices, and archive display.

4.5.6 Registry correction propagation. Registry corrections shall propagate to Marketplace where stale or wrong status would create user reliance, public-safe risk, support misuse, provider overclaim, sponsor overclaim, public authority confusion, procurement overclaim, finance overclaim, certification overclaim, or handoff misuse.

4.5.7 Registry archive display. Archived Registry records displayed in Marketplace shall carry Archive-Not-Current notices, successor links where available, current-use restrictions, and correction history. Archived Registry-linked objects shall not appear in active discovery unless the listing clearly states archive status.

4.5.8 Registry boundary. Marketplace display of Registry status shall make record truth discoverable. It shall not create recognition, approval, certification, procurement eligibility, financeability, insurability, public authority approval, consent, deployment authorization, or execution authority.


4.6 Relationship to Nexus Grid and TRL 1–10

4.6.1 Grid and TRL display doctrine. Nexus Marketplace may display Nexus Grid inputs and TRL 1–10 evidence notes only as bounded status information. Grid and TRL display shall help users understand maturity-relevant context, technical-readiness context, evidence basis, limitations, support status, and correction history without creating certification or approval.

4.6.2 Grid input display. Marketplace may display Grid input candidate status, Grid input status, Grid review-pending status, Grid correction status, Grid withdrawal status, or Grid archive status where applicable. Each display shall include scope, limitations, reviewer class where appropriate, evidence context, public-safe status, support status, correction pathway, and no-certification language.

4.6.3 TRL 1–10 display. Marketplace may display TRL 1–10 evidence notes where technical objects have recorded evidence. TRL display shall identify technical object, evidence basis, experiments, prototypes, simulations, tests, benchmarks, model cards, system cards, support status, limitations, dependencies, downgrade rules, suspension rules, correction pathway, and archive status.

4.6.4 No TRL overclaim. TRL 1–10 references shall classify technical readiness within recorded scope only. Marketplace shall not display TRL references in a way that implies product approval, technical certification, safety certification, cybersecurity certification, procurement eligibility, financeability, insurance approval, public authority approval, deployment authorization, or execution.

4.6.5 No Grid overclaim. Grid inputs may support maturity understanding, but Marketplace shall not display Grid inputs as maturity certification, institutional ranking, provider ranking, product validation, implementation readiness, procurement score, finance signal, insurance score, or public authority approval.

4.6.6 Grid / TRL downgrade and suspension. Where Grid inputs or TRL evidence notes are downgraded, corrected, suspended, withdrawn, or archived, Marketplace shall update listing status and display correction history. A listing shall not continue to display obsolete Grid or TRL status as current.

4.6.7 Grid / TRL and Nexus Universe. Marketplace may link Grid or TRL status to Nexus Universe outputs where appropriate, but Nexus Universe presence shall not upgrade Grid or TRL status by implication. Annual display shall not create maturity.

4.6.8 Grid / TRL and handoff. Marketplace may include Grid and TRL context in handoff dependency packages, but downstream recipients remain responsible for independent diligence, engineering validation, safety review, legal review, public authority approvals, procurement, finance, insurance, deployment, operations, and execution.

4.6.9 Grid and TRL boundary. Marketplace display of Grid and TRL information shall not create certification, approval, procurement, finance, insurance, public authority action, consent, deployment, operational command, or execution.


4.7 Relationship to Nexus Network

4.7.1 Network as permanent record rail. Nexus Network shall preserve Marketplace records, listing records, correction records, support records, version records, public-safe records, withdrawal records, deprecation records, retirement records, handoff records, and archive records as part of the permanent Nexus record rail where appropriate.

4.7.2 Marketplace-to-Network record flow. Marketplace shall route material records to Nexus Network or linked record systems, including Marketplace Listing Records, Marketplace Record Cards, Listing Status Records, Support Records, Provider-Neutrality Notes, Sponsor-Boundary Notes, Data-Use Records, AI-Use Records, Public-Safe Status Records, Registry Linkage Records, Studio Linkage Records, Grid / TRL Display Records, Nexus Universe Linkage Records, Handoff Candidate Records, Correction Records, and Archive Records.

4.7.3 Network memory function. Network persistence shall make Marketplace activity cumulative. Listings shall not disappear without record where public meaning, support history, data rights, AI-use history, public-safe communication, provider involvement, sponsor involvement, Nexus Universe visibility, or handoff use may matter.

4.7.4 Network and contributor memory. Marketplace may preserve contributor and maintainer relationships through Nexus Network, iCRS, Foundry records, Academy records, WILP records, Campaign records, and Nexus Universe records. Contributor memory shall not create employment, certification, authority, or professional status by implication.

4.7.5 Network and correction. Corrections in Marketplace shall be preserved in Network records where needed to maintain trust, enable recall, support downstream correction, preserve institutional memory, or prevent stale claims.

4.7.6 Network and archive. Marketplace archive records shall identify final status, successor record, correction history, non-current-use label, access class, support status, data status, AI-use status, public-safe status, and handoff recall status where applicable. Network archive shall preserve memory without current authority.

4.7.7 Network interoperability. Marketplace records preserved through Network shall use controlled vocabulary and compatible identifiers to support routing across Foundry, Campaigns, Academy, Labs, Risk Agency, DICE, GRIx, DRI, Observatory, Studio, Registry, Grid, TRL, Nexus Universe, National Nodes, and lawful handoff.

4.7.8 Network boundary. Network preservation of Marketplace records shall not create approval, certification, procurement status, financeability, insurance approval, public authority action, consent, deployment authorization, or execution. A permanent record is not permanent authority.


4.8 Relationship to Nexus Rails

4.8.1 Rails as routing discipline. Nexus Rails shall govern how Marketplace listings route among public-good pathways, controlled workflows, learning pathways, support pathways, national pathways, Nexus Universe pathways, Studio pathways, Registry pathways, Grid / TRL pathways, correction pathways, archive pathways, and lawful handoff pathways.

4.8.2 Marketplace-to-Rails routing. Marketplace may route listed objects to Nexus Foundry, Nexus Campaigns, Nexus Academy, Risk Academy, WILPs, micro-credentials, Nexus Labs, Risk Agency candidate pathways, DICE, GRIx, DRI, Nexus Observatory, Nexus Studio, Nexus Registry, Nexus Grid, TRL evidence pathways, Nexus Universe, National Nodes, National Working Groups, Nexus Competence Cells, support pathways, handoff pathways, correction pathways, or archive pathways.

4.8.3 Rail-specific routing rules. Each route shall preserve the rules of the destination rail. A Marketplace listing routed to Studio shall follow Studio terms. A listing routed to Registry shall follow Registry status rules. A listing routed to Grid or TRL shall follow bounded classification rules. A listing routed to Campaigns shall follow campaign public-safe and support rules. A listing routed to handoff shall follow no-reliance and recipient responsibility rules.

4.8.4 Routing without entitlement. Marketplace routing shall not create entitlement to access, support, review, listing, inclusion, Nexus Universe placement, Studio runtime, Registry entry, Grid input, TRL status, Risk Agency consideration, public authority learning room, readiness room, handoff receipt, or downstream implementation.

4.8.5 National routing. Marketplace shall route national objects and national implications through national pathways where national ownership, public authority processes, community safeguards, data sovereignty, Indigenous protocols where applicable, or lawful national continuation are implicated. Marketplace shall not allow global, regional, sponsor, provider, donor, capital-reader, or media pathways to bypass national routing.

4.8.6 Correction routing. Marketplace shall route correction signals to affected rails, including Foundry, Campaigns, Academy, Labs, Risk Agency, DICE, GRIx, DRI, Observatory, Studio, Registry, Grid, TRL, Nexus Universe, support ledgers, national pathways, and handoff recipients where appropriate.

4.8.7 Archive routing. Listings no longer current shall route to archive, successor records, non-continuation, retirement, withdrawal, or recall pathways according to status. Archive routing shall prevent stale listings from remaining discoverable as current.

4.8.8 Rails boundary. Marketplace routing through Nexus Rails shall coordinate continuation, learning, review, support, correction, and handoff. It shall not create approval, procurement, finance, insurance, certification, public authority action, consent, deployment, command, or execution.


4.9 Relationship to National Nodes, National Consortiums, Working Groups, and Competence Cells

4.9.1 National pathway integration. Nexus Marketplace shall support National Nodes, National Nexus Consortiums, National Working Groups, National Councils, Helix Councils, Nexus Competence Cells, National Portfolios, national Campaigns, national Academy pathways, national Labs streams, national DICE objects, national DRI dashboards, and national Nexus Universe preparation through governed discovery, localization, support, and routing.

4.9.2 National listing stewardship. National listings shall identify national steward, national pathway, language status, legal localization status, data localization status, public authority boundary, community safeguard status, Indigenous protocol sensitivity where applicable, public-safe status, support class, Nexus Universe linkage, and national continuation pathway.

4.9.3 National Portfolio marketplace function. Marketplace may surface public-safe National Portfolio objects, including challenge briefs, systems-risk maps, Working Group outputs, Competence Cell outputs, DICE objects, DRI records, GRIx mappings, public authority learning materials, Nexus Universe outputs, Foundry tasks, readiness notes, and handoff dependency candidates.

4.9.4 Working Group marketplace function. Marketplace may support Working Groups by listing work packages, evidence needs, data needs, volunteer roles, learning pathways, support needs, public-safe summaries, Foundry conversion objects, Nexus Universe pathways, and correction needs.

4.9.5 Competence Cell marketplace function. Marketplace may support Competence Cells by listing technical packs, review queues, contributor calls, data needs, dashboard needs, AI workflow needs, cyber review needs, geospatial review needs, public-safe reporting needs, support needs, Nexus Universe readiness outputs, and handoff dependency candidates.

4.9.6 National support without bypass. Marketplace support listings for national objects shall not allow external sponsors, providers, donors, investors, insurers, public finance readers, media actors, or global actors to bypass national ownership, public authority processes, community safeguards, data sovereignty, or lawful national continuation.

4.9.7 National correction propagation. Where national listings are corrected, restricted, withdrawn, or archived, Marketplace shall update linked Campaigns, Foundry records, DICE records, DRI records, GRIx mappings, Studio workflows, Registry entries, Grid / TRL displays, Nexus Universe materials, support listings, and handoff packages where affected.

4.9.8 National pathway boundary. Marketplace support for national pathways shall not create government endorsement, public authority approval, national certification, procurement status, financeability, insurance approval, community consent, Indigenous consent where applicable, deployment authorization, or execution authority.


4.10 Relationship to Enterprise Stack, National Consortium Companies, and Project SPVs

4.10.1 Enterprise interface doctrine. Nexus Marketplace may interface with the enterprise stack only through lawful, recorded, role-separated, no-reliance pathways. Marketplace shall not collapse public-good discovery into enterprise entitlement.

4.10.2 National Consortium Company interface. Marketplace may make certain public-good records, Foundry outputs, Campaign outputs, National Portfolio objects, Studio workflows, Grid inputs, TRL evidence notes, support needs, and handoff dependency packages discoverable to National Consortium Companies. Such discoverability shall not make National Consortium Companies public-good authorities, public authorities, procurement recipients by default, finance-ready entities, certified implementers, or execution agents of Nexus.

4.10.3 Project SPV interface. Marketplace may make lawful handoff dependency packages discoverable to Project SPVs where downstream implementation may be separately structured. Project SPVs shall remain responsible for independent diligence, legal compliance, public authority approvals, procurement, finance, insurance, technical execution, safeguards, data rights, community engagement, Indigenous protocols where applicable, deployment, operations, maintenance, and execution.

4.10.4 Provider and operator interface. Marketplace may route providers and operators to relevant dependency packages, technical packs, data-use rules, public-safe summaries, support requirements, and handoff records. Such routing shall not select, approve, validate, certify, procure, finance, insure, or authorize providers or operators.

4.10.5 Handoff readiness display. Handoff-related Marketplace displays shall show evidence context, data context, public-safe status, safeguard status, readiness context, public authority dependencies, legal dependencies, finance and insurance questions, procurement boundaries, provider-neutrality notes, sponsor influence notes, recipient responsibilities, no-reliance statements, correction pathways, recall pathways, and archive status.

4.10.6 No execution by marketplace handoff. Marketplace may make handoff candidates visible, but execution shall occur only through competent public authority, enterprise, National Consortium Company, Project SPV, provider, operator, contractor, funder, insurer, donor, public finance, procurement, community, or other lawful channels where applicable and separately recorded.

4.10.7 Enterprise support listings. Enterprise support, service support, maintenance support, implementation support, or provider support listings shall be governed by separate terms and shall not imply procurement status, provider approval, public authority approval, financeability, insurance approval, or Nexus execution.

4.10.8 Enterprise boundary. Marketplace interface with the enterprise stack shall not create procurement, finance, insurance, public authority approval, provider validation, implementation authorization, community consent, Indigenous consent where applicable, data-use permission, deployment authorization, operational command, or execution by implication.


4.11 Cross-System Correction, Recall, and Status Synchronization

4.11.1 Synchronization doctrine. Nexus Marketplace shall synchronize status across connected Nexus systems where a change in one system affects public meaning, user reliance, support status, data rights, AI-use permissions, public-safe status, safeguard status, Studio access, Registry status, Grid / TRL display, Nexus Universe visibility, or handoff use.

4.11.2 Triggering events. Synchronization may be triggered by Foundry correction, Campaign withdrawal, DICE data-rights change, GRIx mapping correction, DRI dashboard correction, Observatory correction, Academy pathway retirement, WILP expiry, micro-credential update, Labs research restriction, Risk Agency pathway change, Studio workflow shutdown, Registry status change, Grid input withdrawal, TRL downgrade, Nexus Universe archive, support suspension, provider overclaim, sponsor overclaim, or handoff recall.

4.11.3 Affected surfaces. Marketplace synchronization may update listing pages, Record Cards, badges, labels, search status, featured status, collections, bundles, catalogues, portfolios, downloads, APIs, widgets, support links, Studio routing, Registry display, Grid / TRL display, Nexus Universe pages, Campaign pages, Academy pages, handoff packages, and archive records.

4.11.4 Recall notices. Where a listing has been used or routed downstream and a serious issue arises, Marketplace may issue recall notices to affected users, stewards, maintainers, National Nodes, Working Groups, Competence Cells, Campaign teams, Studio users, Registry users, Grid / TRL users, Nexus Universe teams, support stewards, and handoff recipients.

4.11.5 Dependency correction. Where a component object is corrected, withdrawn, or recalled, Marketplace shall assess dependent listings, bundles, Studio workflows, dashboards, data objects, support listings, handoff packages, and public-safe summaries. Dependency chains shall not remain silently broken.

4.11.6 Status conflict rule. Where Marketplace status conflicts with Registry, Studio, Grid, TRL, Foundry, DICE, GRIx, DRI, Campaign, Nexus Universe, or handoff records, the more restrictive or more current verified status shall control until resolved.

4.11.7 User notification. Marketplace may notify affected users of correction, withdrawal, deprecation, support change, data-use change, AI-use change, security issue, public-safe issue, Studio shutdown, Registry update, Grid / TRL change, Nexus Universe update, or handoff recall where reasonable and appropriate.

4.11.8 Synchronization boundary. Cross-system synchronization preserves status truth and trust. It shall not create certification, warranty, public authority finding, legal determination, procurement decision, finance decision, insurance decision, consent, deployment authorization, or execution authority.


4.12 Final Part IV Statement

4.12.1 Final system-relationship formula. Nexus Marketplace shall not stand alone. It shall operate as the governed discovery layer connecting Nexus Acceleration, Nexus Foundry, Nexus Universe, Nexus Studio, Nexus Registry, Nexus Grid, TRL 1–10, Nexus Network, Nexus Rails, National Nodes, National Nexus Consortiums, National Working Groups, Nexus Competence Cells, and lawful enterprise-stack pathways. Each relationship shall preserve the function of the connected system without converting Marketplace discovery into that system’s authority.

4.12.2 Final relationship discipline. Acceleration moves pathways; Marketplace does not certify momentum. Foundry builds; Marketplace does not approve deployment. Universe creates annual visibility; Marketplace does not convert visibility into endorsement. Studio runs controlled workflows; Marketplace does not create decision authority. Registry preserves status truth; Marketplace does not create universal approval. Grid and TRL classify bounded inputs; Marketplace does not create certification. Network preserves memory; Marketplace does not create permanent authority. Rails route continuation; Marketplace does not create entitlement. National Nodes localize; Marketplace does not bypass national ownership. Enterprise actors may receive handoff context; Marketplace does not execute.

4.12.3 Final declaration. Nexus Marketplace shall make the entire Nexus system navigable without flattening it. It shall let users discover what has been built, what is being prepared, what is supported, what is restricted, what is public-safe, what is learning-only, what is Studio-ready, what is Registry-recorded, what has Grid or TRL context, what came from Nexus Universe, what belongs to national pathways, and what may be relevant to lawful handoff. Its power shall come from connection; its trust shall come from refusing to let connection become false authority.

5. Marketplace Participation, Users, Developers, Providers, Sponsors, Hosts, and Ecosystem Extensions

5.1 Marketplace Participant Classes

5.1.1 Participant-class doctrine. Nexus Marketplace shall classify participants by role, access, permissions, contribution type, support status, public-safe obligations, data rights, AI-use permissions, conflict position, public authority relevance, provider relevance, sponsor relevance, national pathway relevance, and lawful handoff relevance. Participant classification shall prevent Marketplace use from being misread as endorsement, procurement eligibility, financeability, certification, employment, public authority approval, consent, deployment, or execution.

5.1.2 Public users. Public users may browse public Marketplace listings, public-safe summaries, public-good assets, learning pathways, campaign opportunities, support opportunities, Nexus Universe public outputs, public Academy resources, public Labs calls, and public Registry-linked status where available. Public-user access shall not create entitlement to controlled assets, restricted data, Studio workflows, handoff packages, support, review, Nexus Universe placement, or downstream use.

5.1.3 Registered users. Registered users may save listings, follow listings, request access, submit concerns, join eligible opportunities, apply for volunteer roles, enroll in learning pathways, participate in public-good support actions where lawful, and contribute to open or controlled pathways where permitted. Registration shall not create membership, certification, employment, procurement status, public authority role, or execution authority.

5.1.4 Contributors. Contributors may submit assets, code, data subject to rights, documentation, templates, translations, accessibility improvements, public-safe summaries, evidence inputs, bug reports, correction requests, Academy content, Campaign support, Labs inputs, or Foundry contributions. Contributor status shall be governed by contributor terms, IP terms, data-use rules, AI-use rules, public-safe rules, iCRS rules where applicable, and correction obligations.

5.1.5 Maintainers. Maintainers may steward listed objects, repositories, packs, datasets, dashboards, Studio workflows, templates, documentation, public-good software, public-safe summaries, Academy resources, Campaign assets, DICE objects, DRI objects, GRIx mappings, or Nexus Universe outputs. Maintainer status shall be scoped, recorded, conflict-managed, and bounded; it shall not create certification authority, public authority approval, procurement authority, finance authority, insurance authority, or execution responsibility.

5.1.6 Reviewers. Reviewers may support public-safe review, data-use review, AI-use review, security review, documentation review, evidence review, safeguard review, provider-neutrality review, sponsor-boundary review, Registry linkage review, Studio readiness review, Grid / TRL display review, or handoff readiness review. Reviewer status shall be limited to the recorded review class and shall not create professional licensure, certification authority, public authority authority, or legal reliance.

5.1.7 Developers and integrators. Developers and integrators may use Marketplace to discover APIs, SDKs, connectors, schemas, packs, public-good software, Studio workflows, data-use labels, AI-use labels, testing guidance, sandbox pathways, integration support, maintainer pathways, and extension rules. Developer or integrator participation shall not create approved-vendor status, procurement eligibility, certification, employment, agency, or execution authority.

5.1.8 Campaign participants. Campaign participants may discover and join eligible Nexus Campaigns, signature campaigns, support campaigns, volunteer roles, Working Group calls, Competence Cell calls, data commons campaigns, DRR campaigns, DRF readiness campaigns, DRI campaigns, public-safe reporting tasks, and Nexus Universe preparation pathways. Campaign participation shall remain governed by Campaign terms and shall not create public mandate, public authority approval, consent, financeability, procurement status, or execution.

5.1.9 Academy, WILP, and micro-credential participants. Learners may discover Academy modules, Risk Academy pathways, WILPs, micro-credentials, supervised builds, reviewer training, maintainer training, data stewardship training, public-safe communication training, safeguard training, and Nexus Universe preparation pathways. Learning participation shall not create academic degree, professional license, employment eligibility, procurement qualification, expert standing, or public authority approval unless separately and lawfully recorded.

5.1.10 Labs and research participants. Labs and research participants may discover research calls, testbeds, evidence gaps, datasets subject to rights, research-impact pathways, policy research needs, frontier technology challenges, and research-to-Foundry conversion opportunities. Research participation shall not create research approval, ethics approval, funding approval, data access rights, publication rights, IP transfer, public authority approval, or implementation authorization by implication.

5.1.11 Risk Agency participants. Risk Agency pathway participants may discover expertise pathways, advisory support pathways, consultancy support pathways, training pathways, facilitation opportunities, technical review needs, public-safe communication needs, public authority learning support, and lawful downstream support pathways. Marketplace discovery shall not create Risk Agency standing, expert certification, client reliance, professional engagement, procurement qualification, or public authority advisory status.

5.1.12 Providers. Providers may submit or support tools, software, APIs, equipment, cloud, compute, models, data subject to rights, training, integration support, technical support, maintenance support, and enterprise-support pathways. Provider participation shall be contribution without validation and shall not create provider approval, procurement preference, certification, financeability, insurance approval, public authority approval, or deployment authorization.

5.1.13 Sponsors and supporters. Sponsors and supporters may support Marketplace objects, Campaigns, Foundry outputs, Academy pathways, Nexus Universe outputs, DICE objects, translation, accessibility, public-safe reporting, bounties, challenges, scholarships, equipment, compute, venue, and other public-good needs. Sponsor and supporter participation shall be support without control and shall not create pay-to-influence, endorsement, priority, routing control, procurement advantage, or validation.

5.1.14 Hosts and infrastructure contributors. Hosts and infrastructure contributors may offer venues, data rooms, secure rooms, cloud environments, compute environments, field sites, labs, training spaces, Nexus Universe spaces, or technical environments. Host participation shall be governed by host terms, access rules, data rules, safety rules, security rules, teardown rules, and no-control boundaries.

5.1.15 Public authorities in learning roles. Public authorities may use Marketplace for learning, non-decision discovery, public-good awareness, technical dialogue, public authority learning, stakeholder routing, public-safe resource discovery, Nexus Universe preparation, and lawful handoff awareness. Marketplace participation shall not create public authority approval, procurement action, public finance allocation, regulatory comfort, public warning, official classification, or policy adoption.

5.1.16 Capital, insurance, donor, and public finance readers. Capital readers, insurers, reinsurers, donors, development actors, public finance readers, and philanthropic actors may use Marketplace to discover readiness questions, public-good support needs, assumptions, dependencies, data gaps, DRI objects, DRF readiness notes, public-safe summaries, and handoff candidates. Such participation shall be no-reliance, non-soliciting, non-transactional, confidentiality-aware where applicable, and regulated-perimeter controlled.

5.1.17 Enterprise-stack actors. National Consortium Companies, Project SPVs, providers, operators, contractors, funders, insurers, donors, public finance readers, and lawful implementation actors may use Marketplace to discover lawful handoff dependency packages and support context. Such discovery shall not create procurement, finance, insurance, public authority approval, provider validation, deployment authorization, or execution by Nexus.

5.1.18 Participant-class boundary. Participant classification shall define access, role, and limits only. It shall not create endorsement, membership rights, governance authority, employment, procurement eligibility, financeability, insurability, certification, public authority approval, community consent, Indigenous consent where applicable, deployment authorization, operational command, or execution authority.


5.2 Marketplace Accounts, Profiles, Roles, and Permissions

5.2.1 Account doctrine. Nexus Marketplace may use accounts, profiles, organization pages, team pages, contributor pages, provider pages, sponsor pages, host pages, National Node pages, Working Group pages, Competence Cell pages, Campaign pages, Academy pages, Labs pages, Risk Agency pathway pages, and public authority learning pages to organize participation. Account or profile creation shall not create approval, membership, certification, procurement status, employment, agency, partnership, or execution authority.

5.2.2 Individual profiles. Individual profiles may display name, role, affiliation where permitted, contribution history, learning pathways, iCRS records where authorized, WILP participation, micro-credentials, reviewer pathways, maintainer pathways, Campaign roles, Foundry contributions, Labs participation, Nexus Universe participation, public-safe recognition, and correction history where appropriate. Public display shall be permission-based or otherwise lawfully permitted and shall not expose sensitive participation.

5.2.3 Organization profiles. Organization profiles may display institutional identity, role class, listings, contributions, support, provider contributions, sponsorships, host support, Campaign participation, Academy pathways, Labs participation, Nexus Universe participation, public-safe records, and correction history where appropriate. Organization profiles shall not imply partnership, endorsement, approval, procurement status, public authority status, or certification beyond recorded role.

5.2.4 Provider pages. Provider pages may describe provider contributions, tools, support pathways, APIs, integrations, data contributions, training, maintenance, and enterprise-support options. Provider pages shall display provider-contribution-without-validation, no-procurement, no-certification, no-public-authority-approval, and no-deployment notices where reliance risk exists.

5.2.5 Sponsor pages. Sponsor pages may describe sponsor support, supported objects, support categories, support ledgers where public, Campaign support, Academy support, Foundry support, Nexus Universe support, and public-good commitments. Sponsor pages shall display support-without-control and no-pay-to-influence notices.

5.2.6 National Node and Working Group pages. National Node, National Working Group, and Competence Cell pages may display public-safe national resources, opportunities, work packages, support needs, Nexus Universe pathways, Academy pathways, public-good outputs, and Marketplace listings. Such pages shall preserve national ownership, data controls, community safeguards, and public authority boundaries.

5.2.7 Permission roles. Marketplace permission roles may include viewer, registered user, contributor, submitter, steward, maintainer, reviewer, data steward, AI-use reviewer, public-safe reviewer, safeguard reviewer, security reviewer, provider representative, sponsor representative, host representative, National Node steward, Working Group steward, Competence Cell steward, Campaign steward, Academy steward, Labs steward, Risk Agency pathway steward, Registry steward, Studio steward, Grid / TRL reviewer, handoff steward, correction steward, and administrator.

5.2.8 Access control. Marketplace shall use role-based access, need-to-know controls, data-use labels, AI-use labels, access classes, public-safe status, safeguard status, public authority restrictions, secure-room restrictions, data-room restrictions, and handoff recipient controls to determine access. Access shall be revocable and correctionable.

5.2.9 Profile correction. Profiles and pages shall support correction of identity, role, affiliation, public display, contribution records, support records, provider claims, sponsor claims, public authority language, Risk Agency pathway status, Academy status, and archive status.

5.2.10 Account and role boundary. Accounts, profiles, pages, roles, and permissions enable platform participation. They shall not create legal agency, employment, certification, professional standing, public authority status, procurement eligibility, financeability, insurance approval, consent, deployment authorization, or execution.


5.3 Developer and Integrator Ecosystem

5.3.1 Developer ecosystem purpose. Nexus Marketplace shall support a governed developer and integrator ecosystem so that Nexus public-good assets, Foundry outputs, Studio workflows, DICE objects, GRIx mappings, DRI dashboards, Observatory packs, Campaign tools, Academy pathways, Nexus Universe outputs, and lawful handoff dependency packages can be extended, localized, integrated, maintained, corrected, and reused under recorded conditions.

5.3.2 Developer resources. Marketplace may make discoverable developer resources including APIs, SDKs, connectors, schemas, public-good software, sample applications, templates, command-line tools, testing harnesses, sandbox environments, integration guides, data-use labels, AI-use labels, security guidance, public-safe display guidance, Registry integration guidance, Studio integration guidance, Grid / TRL display guidance, and handoff packaging guidance.

5.3.3 SDK and API governance. SDKs, APIs, connectors, and integration tools shall identify permitted use, prohibited use, authentication, authorization, data classes, rate limits, logging where appropriate, privacy controls, cybersecurity requirements, AI-use restrictions, license terms, support class, deprecation rule, vulnerability reporting pathway, and correction pathway.

5.3.4 Sandbox access. Developer sandboxes may be public, controlled, invitation-only, data-room-linked, secure-room-linked, Studio-linked, Campaign-linked, Academy-linked, Labs-linked, or Nexus Universe-linked. Sandbox access shall not grant production access, sensitive data access, public authority access, handoff access, or deployment authorization.

5.3.5 Plugin and extension governance. Marketplace may support plugins, extensions, workflow components, agents, dashboards, data connectors, visualization components, public-safe reporting modules, Academy modules, Studio modules, and Observatory modules. Plugin or extension publication shall require classification, versioning, support class, license, data-use rules, AI-use rules, security disclosures, review status, correction pathway, and archive rule.

5.3.6 Interoperability discipline. Developer and integrator work shall use Nexus controlled vocabulary, identifiers, schema rules, ontology mappings, Registry status references, data-use labels, AI-use labels, public-safe labels, and correction pathways where applicable. Interoperability shall not permit semantic forking, status overclaim, or uncontrolled dependency chains.

5.3.7 Security and vulnerability handling. Developer listings shall include vulnerability disclosure pathways, security contact where applicable, dependency information where appropriate, known security limitations, update status, support class, and security correction procedures. Security signals shall be routed to appropriate stewards and may trigger suspension, delisting, or recall.

5.3.8 Developer contribution records. Developer contributions may generate contribution records, iCRS records, maintainer records, reviewer records, WILP records, micro-credential records, Foundry records, Registry records, Studio records, or Marketplace correction records as applicable. Contribution records shall not create employment, certification, procurement status, or professional standing by implication.

5.3.9 Integrator neutrality. Integrator participation shall not create approved-integrator status, procurement preference, public authority approval, certification, financeability, insurance approval, or deployment authorization unless separately and lawfully recorded.

5.3.10 Developer ecosystem boundary. Developer and integrator discovery shall enable contribution and interoperability. It shall not create certification, procurement eligibility, public authority approval, employment, legal reliance, data-use permission beyond recorded terms, deployment authorization, operational command, or execution authority.


5.4 Provider Participation and Provider Listings

5.4.1 Provider participation doctrine. Providers may participate in Nexus Marketplace as contributors, supporters, developers, integrators, trainers, maintainers, technical support actors, infrastructure contributors, data contributors subject to rights, equipment contributors, cloud or compute contributors, Studio-support actors, Campaign-support actors, Academy-support actors, Labs-support actors, Nexus Universe-support actors, or lawful downstream actors. Provider participation shall be contribution without validation.

5.4.2 Provider Listing eligibility. Provider Listings may be permitted where provider identity, contribution type, object class, steward, terms, data-use implications, AI-use implications, cybersecurity status where relevant, support class, conflicts, sponsor or commercial relationships, provider-neutrality notes, public-safe status, procurement boundary, finance boundary, public authority boundary, correction pathway, and archive rule are recorded.

5.4.3 Provider tool listings. Provider tools, software, APIs, platforms, models, dashboards, equipment, cloud services, compute resources, network resources, and data services may be listed only with scope, permitted use, restrictions, support terms, security notes, data-processing notes, AI-use implications, license terms, commercial terms where relevant, correction pathway, and no-validation notices.

5.4.4 Provider support listings. Provider support may include technical assistance, integration support, maintenance, training, documentation, help-desk support, enterprise support, Studio support, Nexus Universe support, Campaign support, Academy support, or Foundry support. Support listing shall not create warranty, service-level obligation, procurement approval, or deployment authorization unless separately contracted and lawfully recorded.

5.4.5 Provider data contributions. Provider-contributed data, datasets, metadata, telemetry, models, benchmarks, logs, or dashboards shall be governed by data-use labels, AI-use labels, privacy controls, cybersecurity controls, IP terms, commercial-use terms, publication rules, public-safe review, and correction pathways. Provider data contribution shall not make data unrestricted or validate the provider.

5.4.6 Provider demonstrations. Provider demonstrations listed or routed through Marketplace, Studio, Nexus Universe, Campaigns, Academy, or Labs shall be labeled as demonstrations only unless separately recorded. Demonstration shall not create product certification, procurement evaluation, public authority approval, financeability, insurance approval, or deployment approval.

5.4.7 Provider conflicts. Provider conflicts shall be disclosed and managed. Providers shall not review, certify, validate, or approve their own contributions as provider-neutral; shall not shape public authority learning outputs for commercial advantage; shall not use Marketplace listing as procurement evidence; and shall not imply Nexus approval from listing status.

5.4.8 Provider claims discipline. Providers shall not claim “Nexus-approved,” “Nexus-certified,” “preferred,” “procurement-ready,” “government-ready,” “public authority-approved,” “finance-ready,” “insurance-ready,” “deployment-ready,” or similar status unless separately and lawfully true within recorded scope.

5.4.9 Provider correction and delisting. Provider listings may be corrected, restricted, suspended, delisted, retired, or archived where claims are overstated, data rights change, security issues arise, support status changes, conflicts are undisclosed, public authority overclaim occurs, procurement overclaim occurs, finance or insurance overclaim occurs, or provider misuse appears.

5.4.10 Provider boundary. Provider participation in Marketplace shall not create endorsement, validation, certification, procurement status, preferred-vendor status, financeability, insurability, public authority approval, consent, deployment authorization, operational command, or execution by implication.


5.5 Sponsor, Donor, Philanthropic, and Supporter Participation

5.5.1 Sponsor participation doctrine. Sponsors, donors, philanthropies, development actors, public-good funders, in-kind supporters, hosts, media supporters, and other supporters may use Marketplace to discover support needs and support public-good assets, Campaigns, Foundry builds, Academy pathways, Nexus Universe outputs, DICE objects, DRI dashboards, translation, accessibility, public-safe reporting, bounties, challenges, scholarships, travel support, compute, equipment, venues, data rooms, secure rooms, and community safeguards. Support shall be support without control.

5.5.2 Sponsor Listing eligibility. Sponsor or support listings may be permitted where support identity, support type, recipient, steward, restrictions, support terms, support ledger linkage where applicable, public display permission, conflicts, no-control rule, no-pay-to-influence rule, public-safe status, correction pathway, termination rule, and archive rule are recorded.

5.5.3 Donor and philanthropic listings. Donor and philanthropic support may be displayed where lawful and public-safe. Display shall not create donor commitment beyond recorded support, grant approval, recipient ranking, public finance allocation, policy approval, procurement status, financeability, or implementation authority.

5.5.4 Development actor participation. Development actors may use Marketplace for public-good learning, support discovery, readiness question discovery, public-safe summaries, DRI objects, DRF readiness notes, Nexus Universe outputs, and handoff dependency awareness. Participation shall not create funding commitment, public finance commitment, official approval, procurement status, or implementation commitment.

5.5.5 Media support. Media supporters may support public-safe communication, translation, accessibility, literacy, storytelling, and dissemination. Media support shall not control public-safe meaning, campaign findings, provider visibility, sponsor visibility, public authority language, or correction decisions.

5.5.6 Support influence limits. Supporters shall not control Marketplace ranking, featured placement, listing approval, Registry status, Studio access, Grid / TRL display, Nexus Universe routing, Campaign outputs, Foundry priorities, public authority learning outputs, readiness notes, or handoff eligibility.

5.5.7 Support transparency. Material support shall be recorded through support terms, support ledgers where applicable, sponsor-boundary notes, public-safe display rules, restricted support labels, conflicts, correction pathways, and archive rules. Public display shall be accurate and bounded.

5.5.8 No pay-to-influence. No donation, sponsorship, grant, in-kind support, compute credit, equipment support, venue support, media support, bounty funding, scholarship funding, or support package shall purchase Marketplace visibility, validation, Registry status, Studio readiness, Grid input, TRL display, Nexus Universe routing, Risk Agency standing, handoff eligibility, or public authority influence.

5.5.9 Supporter correction. Sponsor, donor, philanthropic, development actor, media, or supporter listings shall be corrected, restricted, suspended, terminated, or archived where public claims are overstated, support status changes, conflicts emerge, public authority overclaim appears, finance overclaim appears, procurement overclaim appears, or support misuse occurs.

5.5.10 Sponsor and supporter boundary. Sponsor, donor, philanthropic, development actor, media, and supporter participation shall not create endorsement, control, procurement status, financeability, insurance approval, public authority approval, certification, consent, deployment authorization, operational command, or execution.


5.6 Host and Infrastructure Participation

5.6.1 Host participation doctrine. Hosts and infrastructure contributors may support Marketplace-listed pathways by offering venues, rooms, labs, testbeds, data rooms, secure rooms, clean rooms, compute-to-data environments, cloud environments, HPC, GPU, Edge environments, equipment, networks, field sites, community spaces, university spaces, public authority learning spaces, Nexus Universe spaces, training spaces, and technical environments. Host participation shall be bounded by access, safety, data, security, public-safe, and teardown rules.

5.6.2 Host Listing eligibility. Host Listings may be permitted where host identity, environment type, location or virtual environment, access class, permitted use, prohibited use, safety conditions, data-use rules, AI-use rules, cybersecurity rules, equipment rules, insurance or liability notes where relevant, public authority boundary, sponsor/provider boundary, support status, teardown rule, correction pathway, and archive rule are recorded.

5.6.3 Venue listings. Venue listings may include event spaces, training spaces, Nexus Universe spaces, public authority learning rooms, community rooms, university spaces, labs, innovation spaces, and secure meeting spaces. Venue listing shall not imply official endorsement, public authority approval, sponsorship control, or execution authority.

5.6.4 Technical environment listings. Technical environment listings may include cloud, HPC, GPU, Edge, sovereign compute, AI compute, data rooms, secure rooms, clean rooms, confidential computing environments, sensor environments, field test environments, network environments, and Studio-linked environments. Such listings shall identify data residency, security, access rules, permitted workloads, prohibited workloads, logging, teardown, support class, and correction pathway.

5.6.5 Data-room and secure-room listings. Data-room, secure-room, clean-room, and compute-to-data listings shall identify restricted data handling, no-download rules, output review, approved users, approved workloads, logging, confidentiality, public authority restrictions, protected knowledge restrictions, AI-use limits, and archive rules.

5.6.6 Field-site listings. Field sites, community spaces, infrastructure sites, lab sites, and test environments shall be governed by safety, community safeguards, Indigenous protocols where applicable, public authority permissions where required, data collection rules, geospatial sensitivity, equipment rules, liability notes, access rules, and no-execution notices.

5.6.7 Equipment and infrastructure support. Equipment and infrastructure listings shall identify ownership, custody, use restrictions, safety requirements, maintenance, insurance or liability considerations where relevant, export-control or sanctions considerations where relevant, return, disposal, teardown, and archive.

5.6.8 Host conflicts and control. Hosts shall not use hosting status to control Marketplace listings, public-safe outputs, provider visibility, sponsor visibility, public authority learning outputs, readiness outputs, Nexus Universe routing, or handoff eligibility.

5.6.9 Host correction. Host listings may be corrected, suspended, restricted, withdrawn, retired, or archived where access rules change, safety issues arise, data rules change, public-safe risk appears, host claims are overstated, sponsor/provider conflicts arise, or infrastructure becomes unavailable.

5.6.10 Host boundary. Host and infrastructure participation shall not create endorsement, public authority approval, procurement status, financeability, certification, consent, deployment authorization, operational control, or execution authority.


5.7 Public Authority Participation

5.7.1 Public authority participation doctrine. Public authorities may participate in Nexus Marketplace only within role-separated, non-decision, public authority learning, technical dialogue, public-good awareness, stakeholder routing, Nexus Universe preparation, public-safe resource discovery, or lawful handoff awareness pathways unless a competent public authority separately and lawfully establishes another status.

5.7.2 Public authority use cases. Public authorities may use Marketplace to discover public-safe summaries, DRI templates, GRIx mappings, DICE methods, Academy modules, public authority learning materials, Studio workflow candidates, National Portfolio objects, Campaign outputs, Nexus Universe outputs, readiness question templates, public-good assets, and lawful handoff dependency context.

5.7.3 Public authority account classification. Public authority accounts, pages, or participation records shall identify whether the user or institution is acting as observer, learner, technical dialogue participant, public authority learning participant, data steward where authorized, National Portfolio participant, Nexus Universe participant, competent public authority acting outside the default Marketplace role, or handoff recipient.

5.7.4 No procurement by public authority use. Public authority browsing, saving, requesting information, attending demonstrations, joining Studio learning workflows, viewing provider listings, viewing Marketplace comparisons, or accessing public-safe materials shall not create procurement process, supplier approval, vendor preference, public purchasing decision, tender advantage, or contract award.

5.7.5 No official approval by public authority use. Public authority use of Marketplace shall not create official approval, public authority endorsement, policy adoption, regulatory comfort, public warning, official classification, public finance allocation, permit, license, emergency command, or public authority decision.

5.7.6 Public authority data. Public authority data submitted, viewed, linked, or referenced through Marketplace shall remain subject to public authority restrictions, national law, data-use labels, AI-use labels, confidentiality, privacy, cybersecurity, public-safe review, publication limits, cross-border transfer limits, sealing, deletion, correction, and archive.

5.7.7 Public authority listing and display. Public authorities shall not be listed as endorsers, adopters, approvers, funders, sponsors, validators, or implementation partners unless exact language is separately authorized and lawful. Preferred language shall include observer, learning participant, technical dialogue participant, public authority learning participant, or non-decision participant.

5.7.8 Public authority learning and Studio linkage. Marketplace may route public authority users to Studio learning workflows, DRI dashboards, public-safe materials, and readiness rooms under non-decision terms. Such routing shall not create decision authority or operational use.

5.7.9 Public authority correction. Public authority overclaims shall be corrected through listing correction, public-safe notice, profile correction, provider display correction, sponsor display correction, Studio label correction, Marketplace delisting, Registry correction, Nexus Universe correction, or handoff recall where appropriate.

5.7.10 Public authority boundary. Public authority participation in Marketplace shall not create endorsement, procurement, finance, insurance, public authority approval, official warning, official classification, certification, consent, deployment authorization, operational command, or execution by implication.


5.8 Capital, Insurance, Donor, Development, and Public Finance Reader Participation

5.8.1 Reader participation doctrine. Capital readers, insurers, reinsurers, donors, philanthropies, development actors, public finance readers, development finance actors, and resilience finance actors may use Nexus Marketplace to discover public-good support needs, readiness questions, assumptions, dependencies, data gaps, DRI objects, GRIx mappings, DICE objects, National Portfolio objects, Campaign outputs, Nexus Universe outputs, public-safe summaries, readiness templates, and lawful handoff dependency packages. Such use shall be no-reliance, non-soliciting, non-transactional, and regulated-perimeter controlled.

5.8.2 Capital-reader use. Capital readers may use Marketplace to understand public-good context, diligence questions, evidence gaps, dependency registers, assumptions registers, risk context, public-safe summaries, and handoff dependency context. Marketplace shall not provide investment advice, solicitation, offer, valuation, rating, transaction readiness, bankability, or financeability by listing.

5.8.3 Insurance-reader use. Insurers and reinsurers may use Marketplace to understand DRI objects, GRIx mappings, risk intelligence templates, public-safe summaries, protection-gap questions, insurance-readiness question maps, data gaps, uncertainty labels, and resilience indicators. Marketplace shall not provide underwriting decisions, premium indications, coverage decisions, insurability, actuarial conclusions, or insurance approval.

5.8.4 Donor and philanthropic-reader use. Donors and philanthropies may use Marketplace to discover public-good needs, support opportunities, Campaigns, Academy pathways, accessibility needs, translation needs, community safeguard needs, public-safe reporting needs, and Nexus Universe support needs. Discovery shall not create donor commitment, grant approval, recipient ranking, or program approval.

5.8.5 Public finance-reader use. Public finance readers and development finance actors may use Marketplace to understand public-good relevance, national context, evidence gaps, dependency questions, public authority learning materials, public-safe summaries, and lawful handoff dependencies. Marketplace shall not create public finance allocation, guarantee approval, sovereign approval, subsidy approval, fiscal commitment, or procurement status.

5.8.6 Reader rooms and controlled access. Marketplace may route readers to controlled readiness rooms, Studio workflows, no-reliance materials, public-safe summaries, or handoff dependency packages subject to confidentiality, competition compliance, regulated-perimeter controls, role classification, and correction pathways.

5.8.7 Competition and confidentiality. Reader participation shall not facilitate collusion, bid coordination, price coordination, market allocation, underwriting coordination, investor coordination, procurement distortion, misuse of confidential information, or improper access to restricted information.

5.8.8 Reader display. Capital readers, insurers, donors, development actors, and public finance readers shall not be publicly listed in a manner implying investment interest, underwriting interest, donor commitment, public finance allocation, financeability, insurability, rating, valuation, or transaction readiness.

5.8.9 Reader correction. Reader-related overclaims shall be corrected through listing correction, public-safe notice, readiness-room correction, support correction, Registry correction, Studio correction, Nexus Universe correction, handoff recall, or archive where appropriate.

5.8.10 Reader boundary. Reader participation shall not create financeability, insurability, underwriting acceptance, investment interest, donor commitment, public finance allocation, valuation, rating, solicitation, offer, transaction readiness, procurement status, public authority approval, certification, consent, deployment, or execution.


5.9 Community, Indigenous Protocol-Sensitive, Youth, Public-Interest, and Civic Participation

5.9.1 Public-interest participation doctrine. Nexus Marketplace shall support community, public-interest, civic, youth, disability, diaspora, humanitarian, and Indigenous protocol-sensitive participation where applicable through accessible, non-extractive, public-safe, protected, permission-aware, role-scoped, and correctionable pathways.

5.9.2 Community participation. Community participants may use Marketplace to discover public-safe resources, Campaigns, accessibility resources, translation resources, local resilience tools, DRI summaries, public-good learning, volunteer opportunities, community safeguard materials, and public-safe reporting pathways. Community participation shall not be converted into consent, endorsement, representation, or project authorization.

5.9.3 Indigenous protocol-sensitive participation. Where Marketplace listings involve Indigenous peoples, lands, waters, knowledge, governance, cultural materials, languages, rights, data, or protocols, listings shall be reviewed for Indigenous protocol sensitivity where applicable. Marketplace shall not display Indigenous knowledge, protected knowledge, sacred knowledge, place-based knowledge, or Indigenous protocol-sensitive data without appropriate authority, permission, restrictions, and safeguards.

5.9.4 Youth participation. Youth-facing listings shall include age-appropriate language, privacy protections, supervision requirements, public-safe display limits, data-access limits, AI-use restrictions, anti-exploitation rules, and reporting channels. Youth participation shall not be used as promotional legitimacy or unpaid labor extraction.

5.9.5 Disability and accessibility participation. Marketplace shall support accessibility through accessible design, plain-language summaries, alternative formats, translation where appropriate, captioning where appropriate, screen-reader compatibility where feasible, low-bandwidth options, accessible volunteer roles, accessibility review pathways, and correction channels.

5.9.6 Diaspora and civic participation. Diaspora and civic actors may use Marketplace to discover national campaigns, public-safe resources, learning pathways, volunteer roles, translation tasks, public-good support opportunities, and Nexus Universe pathways. Such participation shall not override national ownership, public authority pathways, community safeguards, or local consent boundaries.

5.9.7 Protected knowledge controls. Marketplace shall not expose protected knowledge, sensitive community information, rights-bearing data, culturally sensitive information, sacred information, humanitarian-sensitive data, geospatial-sensitive details, or vulnerable participant information merely because related objects are discoverable.

5.9.8 Community-facing correction. Where Marketplace listings misrepresent communities, expose sensitive information, overclaim consent, misuse Indigenous protocol-sensitive materials where applicable, tokenize youth, or create public harm, correction, withdrawal, public repair, restricted access, sealing, or archive shall occur as appropriate.

5.9.9 Public-interest boundary. Community, youth, civic, humanitarian, disability, diaspora, and Indigenous protocol-sensitive participation shall not create endorsement, representation, consultation completion, community consent, Indigenous consent where applicable, rights waiver, land access, protected knowledge permission, public authority approval, procurement status, financeability, certification, deployment authorization, or execution.


5.10 Marketplace Extension Programs, Partner Pathways, and Ecosystem Growth

5.10.1 Extension program doctrine. Nexus Marketplace may support extension programs and partner pathways to help the Nexus Ecosystem grow through governed contribution, localization, integration, research, learning, support, public-good software, data stewardship, Studio workflow development, Campaign mobilization, Academy learning, Labs research, Risk Agency pathways, Nexus Universe preparation, and lawful handoff dependency development.

5.10.2 Extension program classes. Marketplace extension programs may include Developer Program, Integrator Program, Maintainer Program, Reviewer Program, Provider Contribution Program, Sponsor Support Program, Host Program, National Localization Program, Academy Extension Program, WILP Program, Micro-Credential Program, Labs Research Program, Campaign Mobilization Program, DICE Stewardship Program, DRI Dashboard Program, GRIx Ontology Program, Observatory Node Program, Studio Workflow Program, Nexus Universe Marketplace Program, and Handoff Readiness Program.

5.10.3 Partner pathway classes. Partner pathways may include universities, labs, public-good organizations, National Nodes, Working Groups, Competence Cells, public authorities in learning roles, sponsors, providers, hosts, donors, insurers, capital readers, public finance readers, community organizations, youth organizations, diaspora organizations, and lawful downstream actors.

5.10.4 Partner pathway records. Partner pathways shall identify role, permitted activities, prohibited claims, public display language, data rules, AI-use rules, support terms, conflicts, public-safe obligations, sponsor/provider boundaries, public authority boundaries, procurement boundaries, finance and insurance boundaries, consent boundaries, correction pathway, termination rule, and archive.

5.10.5 No partner overclaim. Participation in an extension program or partner pathway shall not create general partnership, legal agency, endorsement, procurement status, financeability, certification, public authority approval, official representation, community consent, Indigenous consent where applicable, deployment authorization, or execution authority unless separately and lawfully recorded.

5.10.6 Ecosystem growth without capture. Marketplace growth shall not depend on uncontrolled listing volume, sponsor visibility, provider expansion, pay-to-feature logic, public authority attention, media attention, or popularity. Growth shall be measured by useful records, safe reuse, public-good outputs, national localization, support transparency, corrections, maintained assets, learning participation, Nexus Universe continuity, and lawful handoff discipline.

5.10.7 Cross-border extension. Marketplace may support cross-border extension only through data controls, localization, public-safe review, national routing, community safeguards, Indigenous protocol sensitivity where applicable, export-control and sanctions awareness where relevant, provider-neutrality, sponsor-boundary, and lawful handoff controls.

5.10.8 Extension discontinuation. Extension programs and partner pathways may be paused, corrected, restricted, terminated, retired, or archived where misuse, overclaim, capture, data risk, public-safe risk, provider validation, sponsor control, public authority confusion, finance overclaim, procurement drift, consent overclaim, or execution risk appears.

5.10.9 Extension boundary. Marketplace extension programs and partner pathways shall enable ecosystem growth, contribution, localization, support, and reuse. They shall not create authority, approval, procurement, finance, insurance, certification, consent, deployment, command, or execution by implication.


5.11 Conduct, Conflicts, and Participation Integrity

5.11.1 Participation integrity doctrine. Nexus Marketplace participants shall use Marketplace in a manner consistent with public-good purpose, truthfulness, role separation, data rights, AI-use rules, public-safe communication, sponsor/provider boundaries, public authority boundaries, procurement neutrality, finance and insurance boundaries, community safeguards, Indigenous protocol sensitivity where applicable, correctionability, and non-execution.

5.11.2 Prohibited conduct. Prohibited Marketplace conduct may include false listings, false endorsements, false public authority claims, fake provider claims, fake sponsor claims, fake support claims, false certification claims, false procurement claims, finance overclaims, insurance overclaims, community consent overclaims, Indigenous consent overclaims where applicable, protected knowledge exposure, data misuse, AI misuse, IP misuse, cyber abuse, malicious code, impersonation, harassment, fraud, bot activity, review manipulation, ratings abuse, support manipulation, and handoff misuse.

5.11.3 Conflict disclosure. Participants shall disclose conflicts where their role, employer, provider relationship, sponsor relationship, donor relationship, public authority relationship, capital-reader role, insurance role, procurement interest, research interest, community role, personal interest, financial interest, or institutional interest may affect listing meaning, review, support, routing, public-safe display, or handoff.

5.11.4 Conflict management. Conflicts may be managed by disclosure, recusal, independent review, labeling, listing restriction, support restriction, provider-neutrality note, sponsor-boundary note, review separation, public-safe language, correction, suspension, delisting, termination, or archive.

5.11.5 No review capture. Providers shall not validate their own products as neutral. Sponsors shall not control review or listing status. Public authorities shall not be used to imply approval. Capital readers and insurers shall not be used to imply financeability or insurability. Contributors shall not inflate review status. Maintainers shall not suppress correction.

5.11.6 Marketplace reputation integrity. Reviews, ratings, endorsements, testimonials, badges, downloads, forks, views, followers, support totals, reuse counts, Nexus Universe visibility, or featured status shall not be manipulated to imply approval, ranking, certification, procurement suitability, financeability, insurance approval, or public authority approval.

5.11.7 Enforcement actions. Marketplace may respond to participation integrity issues through warning, correction, label change, public-safe notice, review hold, support hold, access restriction, API restriction, download restriction, listing suspension, provider restriction, sponsor restriction, profile correction, delisting, handoff recall, termination, or archive.

5.11.8 Integrity boundary. Conduct and conflict rules preserve Marketplace trust. They shall not create legal determination, regulatory finding, certification, approval, procurement decision, finance decision, insurance decision, consent, deployment authorization, or execution authority.


5.12 Final Part V Statement

5.12.1 Final participation formula. Nexus Marketplace shall be open enough to mobilize users, contributors, developers, integrators, maintainers, reviewers, Campaign teams, Academy learners, WILP participants, micro-credential candidates, Labs researchers, Risk Agency pathways, providers, sponsors, hosts, public authorities in learning roles, communities, youth, donors, insurers, capital readers, public finance readers, National Nodes, Working Groups, Competence Cells, National Consortium Companies, Project SPVs, and lawful downstream actors; and disciplined enough to ensure that every participant acts through a recorded role, access class, boundary, disclosure, support rule, data rule, AI-use rule, public-safe rule, correction pathway, and archive rule.

5.12.2 Final participant discipline. Public users may discover without gaining entitlement. Contributors may contribute without gaining authority. Developers may integrate without becoming approved vendors. Providers may contribute without being validated. Sponsors may support without controlling. Hosts may host without authorizing. Public authorities may learn without approving. Capital and insurance readers may read without financing or underwriting. Donors may discover needs without committing. Communities may participate without consenting. Youth may learn without exploitation. Experts may appear in pathways without being certified. Enterprise actors may receive context without Nexus executing.

5.12.3 Final declaration. Marketplace participation shall scale Nexus only because it is role-separated. The platform shall welcome contribution, support, learning, research, integration, discovery, public-good reuse, and lawful handoff awareness while refusing to let participation become endorsement, procurement, finance, insurance, certification, public authority approval, employment, agency, partnership, consent, deployment, command, or execution by implication.

6. Marketplace Transactions, Support, Opportunities, and Regulated-Perimeter Controls

6.1 Discovery Without Transaction by Default

6.1.1 Default discovery doctrine. Nexus Marketplace shall operate by default as a governed discovery, listing, support-routing, contribution-routing, learning-routing, research-routing, Studio-routing, Registry-linking, Grid / TRL-display, Nexus Universe-continuity, and lawful handoff-awareness layer, not as a transaction execution layer. Marketplace shall help users find what exists, what is needed, what is supported, what is restricted, what is ready for review, what may be contributed to, what may be learned from, and what may be routed next, without creating transaction status by implication.

6.1.2 No transaction by listing. A Marketplace listing shall not, merely by being listed, create an order, sale, contract, procurement process, grant, donation, sponsorship, investment, insurance product, underwriting process, public finance process, paid work arrangement, employment offer, consultancy engagement, service engagement, partnership, agency relationship, implementation agreement, data license beyond stated terms, or deployment authorization.

6.1.3 Discovery action classes. Marketplace may enable non-transactional discovery actions, including view, save, follow, request access, request information, request briefing, request Studio workflow review, request support information, submit interest, submit concern, report correction, apply to participate, apply to contribute, join an eligible learning pathway, express pledge interest, route to a Campaign action, route to a Foundry task, route to a Labs research call, route to a Risk Agency pathway, or route to a lawful handoff dependency review. Such actions shall not create acceptance, obligation, authority, approval, or execution.

6.1.4 Transaction-sensitive action classes. Where Marketplace enables actions that may implicate payment, support, donation, sponsorship, grant support, bounty payment, subscription, service charge, cloud credit, compute credit, travel support, scholarship support, paid training, licensing, enterprise support, professional services, procurement, finance, insurance, or handoff, each action shall be governed by separate terms, role classification, support records, payment controls where applicable, regulated-perimeter review where required, public-safe labels, and no-conversion notices.

6.1.5 Marketplace not order book. Nexus Marketplace shall not operate as an order book, exchange, securities market, insurance market, lending market, deposit system, public finance allocation system, procurement portal, purchasing system, grant allocation system, employment marketplace, gig platform, broker system, settlement layer, clearing layer, or regulated transaction venue by default.

6.1.6 Controlled transaction interfaces. Where a lawful external or separate internal transaction pathway exists, Marketplace may route users to that pathway only as discovery or access routing, subject to clear separation, no-reliance notices, jurisdictional review where applicable, public-safe display, and recipient responsibility. Marketplace shall not silently convert discovery into transaction execution.

6.1.7 No implied obligation. Viewing, saving, following, applying, requesting, pledging interest, joining a waitlist, submitting information, downloading, accessing a public-good asset, entering a Studio workflow, viewing a Registry status, reviewing Grid or TRL information, or receiving a handoff dependency package shall not create an obligation to pay, fund, procure, insure, invest, donate, hire, contract, implement, deploy, maintain, or execute.

6.1.8 Discovery boundary. Marketplace discovery shall create awareness, routing, and record visibility only. It shall not create transaction status, procurement status, financeability, insurability, public authority approval, certification, employment, contract, partnership, agency, consent, deployment authorization, operational command, or execution authority.


6.2 Public-Good Support Listings

6.2.1 Public-Good Support Listing defined. A Public-Good Support Listing is a Marketplace listing that identifies a need, offer, pathway, package, pledge opportunity, sponsorship opportunity, donation opportunity where lawful, grant-support opportunity, in-kind support opportunity, compute or cloud support opportunity, equipment support opportunity, venue support opportunity, scholarship support opportunity, bounty support opportunity, challenge support opportunity, translation support opportunity, accessibility support opportunity, data stewardship support opportunity, public-safe reporting support opportunity, Nexus Universe support opportunity, Foundry support opportunity, Campaign support opportunity, Academy support opportunity, Labs support opportunity, DICE support opportunity, DRI support opportunity, or community safeguard support opportunity.

6.2.2 Support purpose. Public-good support listings shall enable users, institutions, sponsors, donors, philanthropies, development actors, providers, hosts, universities, communities, public-interest actors, insurers, public finance readers, capital readers, and lawful supporters to discover how public-good work may be supported within recorded limits. They shall make support needs legible without selling influence, recognition, procurement access, financeability, public authority approval, or execution.

6.2.3 Support Listing Record. Each Public-Good Support Listing shall identify support purpose, supported object, steward, recipient, fiscal steward where applicable, support type, support status, support terms, restrictions, public display rule, support ledger linkage, use-of-support categories, conflict notes, sponsor-boundary note where applicable, provider-neutrality note where applicable, refund or reallocation rule where applicable, correction pathway, withdrawal pathway, and archive rule.

6.2.4 Support need classes. Support needs may include public-good software maintenance, public-safe reporting, accessibility, translation, student support, youth participation, WILPs, micro-credentials, public authority learning materials, DICE data stewardship, GRIx ontology work, DRI dashboards, Observatory nodes, Nexus Foundry builds, Nexus Campaigns, Nexus Labs research, Nexus Universe participation, Core Build preparation, secure-room setup, data-room setup, public-safe media, correction work, archive work, and lawful handoff dependency preparation.

6.2.5 Support offer classes. Support offers may include money where lawful, grants, sponsorship, philanthropic support, donor support, compute credits, cloud credits, GPU access, HPC access, Edge resources, equipment, software licenses, data subject to rights, venues, translation, accessibility services, travel support, scholarships, mentorship, training, technical support, media support, documentation support, and expert time.

6.2.6 Restricted support. Restricted support shall be accepted or displayed only where the restriction is lawful, public-good aligned, feasible, transparent to the appropriate audience, non-controlling, non-distorting, and consistent with Nexus public-good firewall discipline. Restrictions shall not allow sponsor control, provider validation, public authority distortion, national bypass, community extraction, procurement influence, finance overclaim, or public-safe distortion.