{
  "stage": 363,
  "engine": "External Timestamp Proof Verification Gate for OpenTimestamps and RFC3161",
  "created_at": "2026-06-29T02:32:53.056106+00:00",
  "source_stage": 362,
  "previous_hash": "46eed2fc27a57a17193d02a7c30c802aab8b7a1c2d7ddbfa6e81847cfce0f71b",
  "stage360_timestamp_target_sha256": "052c8f0283110e405443d56f2396c52a8486e7a70a489f831af107dad73ab1b5",
  "stage362_decision": "keep_pending",
  "verification_status": "not_verified",
  "decision": "timestamp_pending",
  "reasons": [
    "timestamp_proof_input_missing_target_hash"
  ],
  "checks": {
    "stage360_result_present": true,
    "stage362_result_present": true,
    "stage362_previous_hash_bound": true,
    "stage362_not_block": true,
    "stage360_timestamp_target_present": true,
    "proof_input_present": true,
    "input_target_sha256_present": false,
    "target_hash_matches_stage360": false,
    "ots_proof_present": false,
    "ots_verified_claim": false,
    "rfc3161_proof_present": false,
    "rfc3161_signature_verified_claim": false,
    "timestamp_verified_claim": false,
    "private_material_detected": false,
    "fake_verified_claim_detected": false,
    "future_time_claim_detected": false
  },
  "proof_input": {
    "stage": 363,
    "proof_scope": "external_timestamp",
    "target_source_stage": 360,
    "timestamp_target_sha256": null,
    "opentimestamps": {
      "provided": false,
      "ots_file_sha256": null,
      "ots_verification_result_sha256": null,
      "ots_verified": false,
      "bitcoin_block_height": null,
      "bitcoin_attestation_time": null
    },
    "rfc3161": {
      "provided": false,
      "timestamp_token_sha256": null,
      "message_imprint_sha256": null,
      "tsa_certificate_fingerprint": null,
      "tsa_signature_verified": false,
      "gen_time": null
    },
    "claimed_status": "pending",
    "timestamp_verified": false,
    "note": "Default placeholder. No real OpenTimestamps or RFC3161 proof has been verified yet."
  },
  "safety_boundary": {
    "no_private_keys": true,
    "no_raw_secrets": true,
    "no_raw_qkd_key_material": true,
    "no_false_timestamp_verified_claims": true,
    "ots_file_alone_is_not_verified": true,
    "rfc3161_token_alone_is_not_verified": true
  },
  "guarantee": {
    "what_stage363_guarantees": [
      "Stage362 result is bound as previous_hash when present.",
      "Stage360 timestamp target hash is used as the verification target when available.",
      "Missing external timestamp proof remains timestamp_pending.",
      "Timestamp proof with target mismatch becomes timestamp_rejected.",
      "Fake timestamp verified claims and secret leakage are blocked.",
      "OpenTimestamps or RFC3161 proof can be represented without falsely claiming verification."
    ],
    "what_stage363_does_not_guarantee": [
      "It does not perform full OpenTimestamps verification unless real verification evidence is supplied.",
      "It does not perform full RFC3161 TimeStampToken signature validation unless real verification evidence is supplied.",
      "It does not verify OCSP or CRL revocation status.",
      "It does not verify Sigstore or Rekor transparency log inclusion.",
      "It does not prove that a certificate is currently good."
    ]
  },
  "result_sha256": "1ad88c5b868eb62b6a3a9949e1830f7c2e5818a16063a6e267c2940b0f033100"
}