{
  "tool_id": "art-116-product-lineage-builder",
  "kernel_id": "art-116-product-lineage-builder",
  "display_name": "Digital Product Passport Cradle-to-Gate Lineage Builder",
  "tool_version": "1.0.0",
  "mandate_type": "compliance_mandate",
  "purpose": "Build a cradle-to-gate supplier lineage with hash-only claims per stage (no trade secrets). Each stage carries a supplier_hash anchor, dataVersion-pinned certification, and carbon_value. Aggregates total carbon deterministically.",
  "control_description": "Build a cradle-to-gate supplier lineage with hash-only claims per stage (no trade secrets). Each stage carries a supplier_hash anchor, dataVersion-pinned certification, and carbon_value. Aggregates total carbon deterministically.",
  "declared_inputs": [
    "art-115-dpp-data-carrier-validator"
  ],
  "declared_outputs": [
    "art-117-product-authenticity-verifier"
  ],
  "kernel_digest": "sha256:92c7a70da3fa42af58e1ddedf9eaa77541196957e7addd01581dbbe9922d33d4",
  "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-116-product-lineage-builder.html",
  "generated_at": "2026-07-25T20:02:55.601Z"
}