{
 "closed": {
  "anchored_digest": "sha256:f506eb5a0fa8b4dd23ed71ab3f0856697cbf458d33c75414b42632fb6fca070d",
  "block_height": 971885,
  "block_time": "2026-10-17T16:54:57Z",
  "kind": "ots",
  "proof_ref": "https://croviatrust.com/registry/data/tacet/ots/669.ots",
  "status": "bitcoin"
 },
 "epoch": 669,
 "epoch_end": "2026-10-17T16:00:00Z",
 "epoch_start": "2026-10-17T15:00:00Z",
 "map_id": "urn:crovia:tacet:map:disclosure",
 "opened": {
  "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
  "kind": "drand",
  "randomness": "dc16fd581ac1fc00173e97d26dd82d1be5b4521166201a5b02fd444e8782641b",
  "round": 6560606,
  "signature": "889d594df513b82add6e19067f63ae4826d5bc763ae5ad826e8fe07156a8db9398f6a06968caf1e0dc42844677430ab20e7e255a74e0713faa06c76e964449d5b2d3050bf9da571dfff9354c5abd21a0e77565adce241c3b115668b3aae93f56"
 },
 "operator": {
  "id": "urn:crovia:tacet:operator:crovia-trust",
  "pubkey": {
   "alg": "ed25519",
   "key_hex": "28d7faeb726187b05dec60bc744f8b055c719ba294815050e8b6831da5889712"
  }
 },
 "prev_sheet_hash": "sha256:3810b8225b6708c66276d295618f55a1198e43e1d5e20f5f0211fcaf2a942e1a",
 "root": "sha256:35efc25e779ffdbfc08ff3ca29b85f5c0fd675083c96d7e78ebf496ad132d07c",
 "sheet_version": "crovia.tacet.epoch.v1",
 "signature": {
  "alg": "ed25519",
  "domain": "TACET-EPOCH-v1",
  "sig_hex": "73e609e81c33aa92e7b731ece82b23ea01569a532397ce53cb6aec6f8487b483d33c219dc004851e95ec6d7f4d28362f9cd3878f34c6ec9bd1df240e20a4610a"
 },
 "size": 2994,
 "snapshots_root": "sha256:30072de2b02490a3710a0f633b6f17c7143e0ef49072fee9bac0ea3560c9d129"
}