{
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  "canonicalization": "deep-stable-sort-nfc-utf8-v2",
  "preimage_bytes": 2294,
  "commitment_type": "prior_commitment",
  "spec_version": "1.0.0",
  "spec_md_sha256": "55a201690ea33e3622ead85ea4e402c59292a2d472024fafacdc0874986a5dcc",
  "gate_count": 16,
  "signature_ed25519_hex": "7df09396cbde1038f728f7b9a18c81c529f2824efbc6e168e27c48d83f63db5ab35b408a6567de129da083435d327a8d997f343e57413cce46d67a003f735a03",
  "authority_public_key_hex": "4a9035af20e81c2cd9819b6f2de8428d171e6cb716dc95a2cb73600fcb440b10",
  "calendars_accepted": [
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    "https://b.pool.opentimestamps.org",
    "https://alice.btc.calendar.opentimestamps.org",
    "https://bob.btc.calendar.opentimestamps.org"
  ],
  "anchor_status": "ANCHORED",
  "artifacts": [
    "TACTIK-ENFORCED-SPEC-EN.md",
    "tactik-seal-preimage-2026-07-31-enforced-spec.json",
    "tactik-seal-preimage-2026-07-31-enforced-spec.json.sig",
    "tactik-seal-preimage-2026-07-31-enforced-spec.json.ots"
  ],
  "timestamp_anchor": {
    "protocol": "OpenTimestamps (Bitcoin)",
    "receipt_file": "tactik-seal-preimage-2026-07-31-enforced-spec.json.ots",
    "committed_digest_sha256": "5d2e9adcc8c526a5f681104dd58f91a1a744907eed5ef4099fefd18e44af1822",
    "status": "ANCHORED",
    "bitcoin_attestations": [
      {
        "block_height": 960468,
        "block_hash": "00000000000000000000796be9950d24018a7e3327f438c39a88b344ce6cc43c",
        "block_time_utc": "2026-07-31T21:25:57Z",
        "explorer": "https://blockstream.info/block/00000000000000000000796be9950d24018a7e3327f438c39a88b344ce6cc43c"
      }
    ],
    "unupgraded_calendar_paths": [],
    "status_detail": "Digest committed in Bitcoin block(s) 960468. Independently verifiable: ots verify tactik-seal-preimage-2026-07-31-enforced-spec.json.ots (no TACTIK infrastructure involved).",
    "refreshed_utc": "2026-08-27T19:30:44Z"
  },
  "timestamp_anchor_status": {
    "status": "ANCHORED",
    "bitcoin_blocks": [
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    ],
    "receipt_file": "tactik-seal-preimage-2026-07-31-enforced-spec.json.ots",
    "refreshed_utc": "2026-08-27T19:30:44Z"
  }
}