{
  "schema": "nmd-vcell-navigation-contract/1.0",
  "source_schema": "nmd-vcell-navigation-contract-source/1.0",
  "updated": "2026-09-15",
  "contract_id": "NAVIGATION-CONTRACT:RESEARCH-OS:V201",
  "authority_rule": "The seven primary navigation destinations are canonical product entry points. Legacy research, reliability, applicability, release and maintenance routes remain stable context routes and must not become competing top-level identities.",
  "local_candidate": {
    "state_id": "LOCAL:RESEARCH_OS:V201",
    "deployment_state": "LOCAL_CANDIDATE_NOT_PRODUCTION"
  },
  "primary_navigation": [
    {
      "id": "explore",
      "label": "Explore",
      "canonical_path": "/resource/",
      "purpose": "Frame a disease, cell-state, perturbation or gene question and discover the relevant evidence objects."
    },
    {
      "id": "virtual",
      "label": "Virtual Cell",
      "canonical_path": "/resource/virtual-cell/",
      "purpose": "Inspect prediction eligibility, domain match, uncertainty and abstention boundaries."
    },
    {
      "id": "experiments",
      "label": "Experiments",
      "canonical_path": "/resource/experiment-os/",
      "purpose": "Convert the next experiment into explicit design, registration and execution gates."
    },
    {
      "id": "models",
      "label": "Models",
      "canonical_path": "/resource/models/",
      "purpose": "Inspect released ModelRun identities, model families and current capability boundaries."
    },
    {
      "id": "benchmarks",
      "label": "Benchmarks",
      "canonical_path": "/resource/benchmarks.html",
      "purpose": "Compare evaluation tasks, baselines, generalization gaps and validation readiness."
    },
    {
      "id": "data",
      "label": "Data",
      "canonical_path": "/resource/datasets/",
      "purpose": "Open dataset cards, governed inventories, downloads and machine-readable resources."
    },
    {
      "id": "trust",
      "label": "Trust",
      "canonical_path": "/resource/trust/",
      "purpose": "Inspect evidence, meaning, applicability, release and maintenance as one governance surface."
    }
  ],
  "trust_domains": [
    {
      "id": "evidence",
      "label": "Evidence",
      "canonical_path": "/resource/evidence-status/",
      "summary": "Measured, contextual, failed and missing states with a canonical evidence boundary."
    },
    {
      "id": "meaning",
      "label": "Meaning",
      "canonical_path": "/resource/claims/",
      "summary": "Versioned Claim Objects, evidence roles, negative implications and claim ceilings."
    },
    {
      "id": "applicability",
      "label": "Applicability",
      "canonical_path": "/resource/applicability.html",
      "summary": "Disease, cell, perturbation, time, endpoint and OOD limits separated from technical availability."
    },
    {
      "id": "release",
      "label": "Release",
      "canonical_path": "/resource/release-status",
      "summary": "Production identity, publication packages, checksums and formal-release gates."
    },
    {
      "id": "maintenance",
      "label": "Maintenance",
      "canonical_path": "/resource/maintenance.html",
      "summary": "Site quality, API health, provenance, update discipline and current operational boundaries."
    }
  ],
  "legacy_compatibility": {
    "policy": "PRESERVE_STABLE_ROUTES_NO_FORCED_REDIRECT",
    "routes": [
      {
        "path": "/resource/research-program/",
        "canonical_section": "trust",
        "disposition": "PRESERVED_CONTEXT_ROUTE",
        "canonical_path": "/resource/trust/"
      },
      {
        "path": "/resource/reliability/",
        "canonical_section": "trust",
        "disposition": "PRESERVED_CONTEXT_ROUTE",
        "canonical_path": "/resource/trust/"
      },
      {
        "path": "/resource/meaning-map/",
        "canonical_section": "trust",
        "disposition": "PRESERVED_CONTEXT_ROUTE",
        "canonical_path": "/resource/trust/"
      },
      {
        "path": "/resource/applicability.html",
        "canonical_section": "trust",
        "disposition": "PRESERVED_CONTEXT_ROUTE",
        "canonical_path": "/resource/trust/"
      },
      {
        "path": "/resource/release-status",
        "canonical_section": "trust",
        "disposition": "PRESERVED_CONTEXT_ROUTE",
        "canonical_path": "/resource/trust/"
      },
      {
        "path": "/resource/maintenance.html",
        "canonical_section": "trust",
        "disposition": "PRESERVED_CONTEXT_ROUTE",
        "canonical_path": "/resource/trust/"
      }
    ]
  },
  "claim_boundary": "Information architecture changes discovery and routing only. It does not change evidence, model eligibility, experiment authorization, measured outcomes, publication readiness or production deployment state.",
  "does_not_imply": [
    "a new scientific claim",
    "a newly eligible model",
    "an authorized experiment",
    "a measured outcome",
    "a production deployment"
  ],
  "new_scientific_claim_count": 0,
  "navigation_contract_sha256": "fda5be11a3f7bb33dbded431d23725a79bb1cb17a0a93f62e5664f7b6456d878"
}