{
  "height": 121,
  "block_hash": "62ec63c701a7e9aff47984249450c2d2acbb857a405d67cfdd4ff3a842a60a21",
  "header": {
    "v": 1,
    "height": 121,
    "prev_hash": "f3755bdd7f5798bcc974a2426c6e1db0b3581e610ed02a7067826c3e235341a5",
    "merkle_root": "e3486fae0b572240f0628106c2635e7a363c2e11f5b46bd42152407dc79b8c3d",
    "first_seq": 124,
    "last_seq": 124,
    "entry_count": 1,
    "at": "2026-10-24T23:43:36.839Z",
    "key_id": "key_41eb7b6d1b11968a"
  },
  "signed_bytes": "{\"at\":\"2026-10-24T23:43:36.839Z\",\"entry_count\":1,\"first_seq\":124,\"height\":121,\"key_id\":\"key_41eb7b6d1b11968a\",\"last_seq\":124,\"merkle_root\":\"e3486fae0b572240f0628106c2635e7a363c2e11f5b46bd42152407dc79b8c3d\",\"prev_hash\":\"f3755bdd7f5798bcc974a2426c6e1db0b3581e610ed02a7067826c3e235341a5\",\"v\":1}",
  "count": 0,
  "domains": 0,
  "distinct": 0,
  "cosignatures": [],
  "how_to_verify": "Each signature is Ed25519 over signed_bytes (canonical(header)), checked with the public_key_pem carried in its cosignature record. Witnesses are labelled by registration order (W-001, W-002, ...); public read models never carry a witness's domain or full key id."
}