{
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  "block_time": "2026-10-21T00:35:33Z",
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  "status": "bitcoin"
 },
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 "epoch_end": "2026-10-21T01:00:00Z",
 "epoch_start": "2026-10-21T00:00:00Z",
 "map_id": "urn:crovia:tacet:map:disclosure",
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 },
 "operator": {
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   "key_hex": "28d7faeb726187b05dec60bc744f8b055c719ba294815050e8b6831da5889712"
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 "sheet_version": "crovia.tacet.epoch.v1",
 "signature": {
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  "domain": "TACET-EPOCH-v1",
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 },
 "size": 2994,
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}