{
 "closed": {
  "anchored_digest": "sha256:e44040ae3f1bae21e2429e9cb2c5c47c646c8017dd468a3a2f48f1a44778e7de",
  "block_height": 971718,
  "block_time": "2026-10-16T14:07:33Z",
  "kind": "ots",
  "proof_ref": "https://croviatrust.com/registry/data/tacet/ots/643.ots",
  "status": "bitcoin"
 },
 "epoch": 643,
 "epoch_end": "2026-10-16T14:00:00Z",
 "epoch_start": "2026-10-16T13:00:00Z",
 "map_id": "urn:crovia:tacet:map:disclosure",
 "opened": {
  "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
  "kind": "drand",
  "randomness": "df682f6c9e9f87acd1e0548acc0af1a19bd30af02c670a0f96859dd03892fea4",
  "round": 6557486,
  "signature": "80372e58e4ef35ce8955d73ddece941c78f391fc5078c4ff04b782c8ebdd435a08b919e7f35a9e3041af3d8b8d09ccad086d3e6064c4653b07ac6bb162781c32e6caa2583b0a75976b8631473dd085095c152d547b3ae5a4d1a1026286e9df9e"
 },
 "operator": {
  "id": "urn:crovia:tacet:operator:crovia-trust",
  "pubkey": {
   "alg": "ed25519",
   "key_hex": "28d7faeb726187b05dec60bc744f8b055c719ba294815050e8b6831da5889712"
  }
 },
 "prev_sheet_hash": "sha256:7004ffc77b8967e203e78dbed06e8cb8c219e2b79dfa5e38b669a4536ee340b7",
 "root": "sha256:35efc25e779ffdbfc08ff3ca29b85f5c0fd675083c96d7e78ebf496ad132d07c",
 "sheet_version": "crovia.tacet.epoch.v1",
 "signature": {
  "alg": "ed25519",
  "domain": "TACET-EPOCH-v1",
  "sig_hex": "a93db5112ada09204646fe6a1c080cbb731a158a2b8f0fcbcc4ded82f966f136a13caf2aaebee3937c4a1ee7d20f13fb0a67e41579df3ce87b01da821f085d0b"
 },
 "size": 2994,
 "snapshots_root": "sha256:d8c14282e0d5fd6d78ad654ea5fe0f62649e15121dbf3b03913fac81ef0371af"
}