{
  "tool_id": "art-121-document-integrity-anchor",
  "kernel_id": "art-121-document-integrity-anchor",
  "display_name": "Document Integrity & eIDAS Electronic Timestamp Anchor",
  "tool_version": "1.0.0",
  "mandate_type": "compliance_mandate",
  "purpose": "Bind a document SHA-256 and claimed timestamp into an OCG execution_hash that serves as an eIDAS Art.41 / RFC 3161-aligned electronic timestamp: self-verifiable, no external TSA call. Optional C2PA manifest field. Feeds timestamp attestation verifier (art-122).",
  "control_description": "Bind a document SHA-256 and claimed timestamp into an OCG execution_hash that serves as an eIDAS Art.41 / RFC 3161-aligned electronic timestamp: self-verifiable, no external TSA call. Optional C2PA manifest field. Feeds timestamp attestation verifier (art-122).",
  "declared_inputs": [],
  "declared_outputs": [
    "art-122-timestamp-attestation-verifier"
  ],
  "kernel_digest": "sha256:ed284c7e429fc0c4d207033d714e8b5cc4d59bc8f960684f248ba01a849fba99",
  "trust_label": "deferred -- deterministic source published, zkVM proof not yet generated",
  "data_vintage": "2026-07-10",
  "last_validated": "2026-07-10",
  "conformance_fixtures_vendored": true,
  "compute_proof_ready": "ready",
  "wave": 22,
  "source_url": "https://ainumbers.co/chaingraph/art-121-document-integrity-anchor.html",
  "generated_at": "2026-07-25T20:02:55.601Z"
}