{
 "closed": {
  "anchored_digest": "sha256:b53d887fd877a60a9decb35eb49fbab82b7207208533e8e47725293cba79ed86",
  "block_height": 971720,
  "block_time": "2026-10-16T14:13:54Z",
  "kind": "ots",
  "proof_ref": "https://croviatrust.com/registry/data/tacet/ots/644.ots",
  "status": "bitcoin"
 },
 "epoch": 644,
 "epoch_end": "2026-10-16T15:00:00Z",
 "epoch_start": "2026-10-16T14:00:00Z",
 "map_id": "urn:crovia:tacet:map:disclosure",
 "opened": {
  "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
  "kind": "drand",
  "randomness": "31b1fc34c5794b090ce0c4838c7aa9018f377891b10d8f41c68bc882e1ba5b49",
  "round": 6557606,
  "signature": "90ded873f12edc13cdf174b6c647df4a4bf81517b2e906e9bebc53ac23ec8d491f4b539cb1f09e3b7956c5f18353e8610a4703aa278821c2e0b3c20e3a61bc80f10a599a2d0faa04abcca1bd14b6f0a9c77ba75ffdc85a66910cef217a6ee02a"
 },
 "operator": {
  "id": "urn:crovia:tacet:operator:crovia-trust",
  "pubkey": {
   "alg": "ed25519",
   "key_hex": "28d7faeb726187b05dec60bc744f8b055c719ba294815050e8b6831da5889712"
  }
 },
 "prev_sheet_hash": "sha256:e44040ae3f1bae21e2429e9cb2c5c47c646c8017dd468a3a2f48f1a44778e7de",
 "root": "sha256:35efc25e779ffdbfc08ff3ca29b85f5c0fd675083c96d7e78ebf496ad132d07c",
 "sheet_version": "crovia.tacet.epoch.v1",
 "signature": {
  "alg": "ed25519",
  "domain": "TACET-EPOCH-v1",
  "sig_hex": "4685e5256c30ad104236fd117656de00dcb20d5329ba62cde55246cdf810f25447c263ed526c335ddd69f10e93709bb20598033748860bd018a164d02481b80f"
 },
 "size": 2994,
 "snapshots_root": "sha256:d94ef215100288d764c3605be88108fe04bcdab88b92a2ae0fbcf90fb36d4318"
}
