{
 "closed": {
  "anchored_digest": "sha256:a29dce6415aedfdbd7243d7af5a0a1738c1dd2db55685833569694ea18875180",
  "block_height": 971977,
  "block_time": "2026-10-18T10:18:16Z",
  "kind": "ots",
  "proof_ref": "https://croviatrust.com/registry/data/tacet/ots/688.ots",
  "status": "bitcoin"
 },
 "epoch": 688,
 "epoch_end": "2026-10-18T11:00:00Z",
 "epoch_start": "2026-10-18T10:00:00Z",
 "map_id": "urn:crovia:tacet:map:disclosure",
 "opened": {
  "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
  "kind": "drand",
  "randomness": "8e05268a2c7fb8f836a68bb03c982c957b7eb74540560793105da325cf8dab4b",
  "round": 6562886,
  "signature": "b62e156b0fb641fe4a2b62be05843181b1b05e408ac77453ed8216dd4e38666fe8b61f7065cd42b2bc68b440773e83dc1774f65b3ad895b0adf74bc5a4f8a1db199f9aabb991d7d1169fd1419e3fe0d77b8a3a97d500f0fda968638a411bcc5d"
 },
 "operator": {
  "id": "urn:crovia:tacet:operator:crovia-trust",
  "pubkey": {
   "alg": "ed25519",
   "key_hex": "28d7faeb726187b05dec60bc744f8b055c719ba294815050e8b6831da5889712"
  }
 },
 "prev_sheet_hash": "sha256:7a97e6e0545754010c3557dd8017994702553c483d71aa97c25b30c62fcf62a6",
 "root": "sha256:35efc25e779ffdbfc08ff3ca29b85f5c0fd675083c96d7e78ebf496ad132d07c",
 "sheet_version": "crovia.tacet.epoch.v1",
 "signature": {
  "alg": "ed25519",
  "domain": "TACET-EPOCH-v1",
  "sig_hex": "f0729fa4e46e491d92ce84f9ead0ef9d46cd44564dcbd86e6dd90e51c1fa2ef9683d97259b8d75d4cac617e939cf98f6e04ad184b91f8634ef98c17b2498d402"
 },
 "size": 2994,
 "snapshots_root": "sha256:5c98abe359133c5316b79e4c084d026e2451919dd22d0c26ae20d3bcd46546af"
}