{
  "schema": "briard.verifiable-package",
  "algorithm_version": "briard-package-integrity-v1",
  "package_id": "briard-fictional-sample-2026-08",
  "fictional": true,
  "generated_at": "2026-08-11T14:07:00.000Z",
  "manifest": {
    "hash_algorithm": "SHA-256",
    "entries": [
      { "path": "LEGAL_NOTICE.txt", "media_type": "text/plain", "size_bytes": 189, "sha256": "d8a8520804b1e6b694620a4d52a3c20aff6cf160b8574431cdd11de61173dd14" },
      { "path": "assessment/readiness.json", "media_type": "application/json", "size_bytes": 236, "sha256": "e3f0991f8e5eabed822ca728ba152647b077a35700131c6f6b55cdc8b6030635" },
      { "path": "evidence/evidence-index.json", "media_type": "application/json", "size_bytes": 423, "sha256": "c96043f33dcc834e05901ec84e10c1a1f81c4ef4032f682f328074d71bcaed0c" },
      { "path": "registry/system.json", "media_type": "application/json", "size_bytes": 416, "sha256": "ed52860ad895e6e2b47ef3f7b88077d32ded42ec90403efd267e746dd4c4f3be" }
    ]
  },
  "entries": {
    "registry/system.json": {
      "media_type": "application/json",
      "content": {
        "system_id": "fictional-dib-assistant-001",
        "name": "Fictional DIB Proposal Assistant",
        "owner_role": "Security and Compliance Manager",
        "purpose_statement": "Draft proposal outlines from approved public and internal metadata without receiving FCI, CUI, credentials, or customer production records.",
        "deployment_status": "evaluation",
        "data_boundary": "Metadata only; prohibited from processing FCI or CUI.",
        "fictional": true
      }
    },
    "assessment/readiness.json": {
      "media_type": "application/json",
      "content": {
        "determination": "human_review_required",
        "evidenced_items": 2,
        "attested_items": 3,
        "missing_evidence": ["Independent assessor review"],
        "legal_conclusion": false,
        "notes": "Internal fictional demonstration. Not an assessment or certification."
      }
    },
    "evidence/evidence-index.json": {
      "media_type": "application/json",
      "content": {
        "items": [
          { "id": "ev-001", "label": "Approved-use policy reference", "status": "evidenced", "sha256": "1111111111111111111111111111111111111111111111111111111111111111" },
          { "id": "ev-002", "label": "Quarterly test record reference", "status": "evidenced", "sha256": "2222222222222222222222222222222222222222222222222222222222222222" },
          { "id": "ev-003", "label": "Independent assessor review", "status": "missing" }
        ],
        "contains_customer_data": false
      }
    },
    "LEGAL_NOTICE.txt": {
      "media_type": "text/plain",
      "content": "Fictional Briard-AI sample. Integrity verification shows whether this package changed after export. It does not prove facts are true, establish compliance, or determine legal admissibility."
    }
  },
  "ledger": {
    "hash_algorithm": "SHA-256",
    "canonicalization": "JSON object keys sorted recursively; UTF-8 encoded",
    "events": [
      {
        "seq": 1,
        "event_type": "system_created",
        "entity_type": "ai_system",
        "entity_id": "fictional-dib-assistant-001",
        "occurred_at": "2026-08-11T14:00:00.000Z",
        "payload": { "source": "fictional_sample", "status": "evaluation" },
        "previous_hash": "0000000000000000000000000000000000000000000000000000000000000000",
        "this_hash": "14bfdc699ac3cc10acbf7c3657718052fa92d53cbce3c544775850a5aaa3bc7c"
      },
      {
        "seq": 2,
        "event_type": "evidence_linked",
        "entity_type": "evidence_index",
        "entity_id": "fictional-package-evidence-001",
        "occurred_at": "2026-08-11T14:04:00.000Z",
        "payload": { "evidenced_items": 2, "missing_items": 1 },
        "previous_hash": "14bfdc699ac3cc10acbf7c3657718052fa92d53cbce3c544775850a5aaa3bc7c",
        "this_hash": "ceb33eb4b0e4d850cf73323f8df28f73fd05027e798f0374ca32950815897828"
      },
      {
        "seq": 3,
        "event_type": "package_generated",
        "entity_type": "evidence_package",
        "entity_id": "briard-fictional-sample-2026-08",
        "occurred_at": "2026-08-11T14:07:00.000Z",
        "payload": { "algorithm_version": "briard-package-integrity-v1", "manifest_entries": 4 },
        "previous_hash": "ceb33eb4b0e4d850cf73323f8df28f73fd05027e798f0374ca32950815897828",
        "this_hash": "57a6251b0fab17bb35660b5f102f1ec4aec3c8f542a36252ff25f09c3e3b48bf"
      }
    ],
    "head_hash": "57a6251b0fab17bb35660b5f102f1ec4aec3c8f542a36252ff25f09c3e3b48bf"
  },
  "timestamp": {
    "type": "briard-sample-p256-signed-time-v1",
    "issued_at": "2026-08-11T14:08:00.000Z",
    "ledger_head_hash": "57a6251b0fab17bb35660b5f102f1ec4aec3c8f542a36252ff25f09c3e3b48bf",
    "trust_material_id": "briard-fictional-sample-p256-2026-08",
    "signature_base64url": "2Cz-sLck_o4GbhaD53lO5ytYD2Qs7nmyllQPEvBWt7EVF80pL7ve-lNdvywMjQ_nnBXLrE5lQTNYC4TC2Sezjg"
  },
  "trust_material": {
    "id": "briard-fictional-sample-p256-2026-08",
    "purpose": "Public trust material for this fictional sample only; not a production RFC 3161 authority.",
    "algorithm": "ECDSA-P256-SHA256",
    "public_jwk": {
      "key_ops": ["verify"],
      "ext": true,
      "kty": "EC",
      "x": "tm2Thf9oxFLXDBmLtPa8cKNzQycBW4ZeoFzWMcEqX2A",
      "y": "fFSi3b3icjnR3LuG8yhDSzfQejdYbx7ulCxsNcF_YJo",
      "crv": "P-256"
    }
  }
}