{
      "name": "anchored-extract-verification",
      "domain": "Verification & Proof Receipts",
      "title": "Anchored Extract Verification",
      "description": "Single-node diagnostic verifying an extract's Merkle inclusion against a root only when that root is externally anchored (RFC 3161, OpenTimestamps, Sigstore, or on-chain via VR-1) or is a recognized OCG artifact envelope.",
      "composer_url": "https://ainumbers.co/chaingraph/chains/anchored-extract-verification.html",
      "steps": [
        {
          "tool_id": "art-286-anchored-extract-verifier",
          "handoff": "anchored_extract_determination and escalation feed the auditor's evidence-inclusion workpaper; composes with VR-1 (verify_eth_state_proof) for the on-chain anchor class, standalone otherwise"
        }
      ]
    }