{
  "height": 16,
  "block_hash": "550d7c29735d4760a6a2ca798a688c005f925bb4d94fedf379925c1471472595",
  "header": {
    "v": 1,
    "height": 16,
    "prev_hash": "5a59150baff15e47a5804a9223b813a5a285bb144fb084f194cfb290a5ac2889",
    "merkle_root": "1d3afbe36c7516638c08eb81091603eaff78cec00ffd8f9723d28849906b9800",
    "first_seq": 77,
    "last_seq": 78,
    "entry_count": 2,
    "at": "2026-11-06T23:28:33.666Z",
    "key_id": "key_a521921c2ba20669"
  },
  "signed_bytes": "{\"at\":\"2026-11-06T23:28:33.666Z\",\"entry_count\":2,\"first_seq\":77,\"height\":16,\"key_id\":\"key_a521921c2ba20669\",\"last_seq\":78,\"merkle_root\":\"1d3afbe36c7516638c08eb81091603eaff78cec00ffd8f9723d28849906b9800\",\"prev_hash\":\"5a59150baff15e47a5804a9223b813a5a285bb144fb084f194cfb290a5ac2889\",\"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."
}