{
 "closed": {
  "anchored_digest": "sha256:801ea3df6dff933f900abf6c40457421dcda1607ba9113393ce9dd44a644c7bf",
  "block_height": 971690,
  "block_time": "2026-10-16T09:26:16Z",
  "kind": "ots",
  "proof_ref": "https://croviatrust.com/registry/data/tacet/ots/639.ots",
  "status": "bitcoin"
 },
 "epoch": 639,
 "epoch_end": "2026-10-16T10:00:00Z",
 "epoch_start": "2026-10-16T09:00:00Z",
 "map_id": "urn:crovia:tacet:map:disclosure",
 "opened": {
  "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
  "kind": "drand",
  "randomness": "8994db3d125cc6643ec63c9107d748fcd982eaf068902f10237ed97d9a355bc7",
  "round": 6557006,
  "signature": "a872ea81918f8b5e131661c396a9028c7087d0f9ffafe9c4e6bfd1ca519aa8289a39fedcd4f9ab31486395c51746180106901f83efdebc3aa2e6374bdea1800771fd1a39cf52eb23a856e44b2fe5e0e61859533147acc4494c4802d6e4bed7b6"
 },
 "operator": {
  "id": "urn:crovia:tacet:operator:crovia-trust",
  "pubkey": {
   "alg": "ed25519",
   "key_hex": "28d7faeb726187b05dec60bc744f8b055c719ba294815050e8b6831da5889712"
  }
 },
 "prev_sheet_hash": "sha256:082493547b1e27218e4372ff69a2489ffd253914a00ad8846efe5f666f2d444b",
 "root": "sha256:35efc25e779ffdbfc08ff3ca29b85f5c0fd675083c96d7e78ebf496ad132d07c",
 "sheet_version": "crovia.tacet.epoch.v1",
 "signature": {
  "alg": "ed25519",
  "domain": "TACET-EPOCH-v1",
  "sig_hex": "374f6348f1dfe5bae7a41de3484062f7434bf4b41e8d35b62cf2dce2c3bca5e6bfcc7b1f088427bdc4c91382d927397788917f65a4a671db832fda78b94cde06"
 },
 "size": 2994,
 "snapshots_root": "sha256:10225a66ae2ebb9df1cc3a026f2caae6dcd18c1c74252662a3761382d9afe09f"
}