{
  "height": 15,
  "block_hash": "5a59150baff15e47a5804a9223b813a5a285bb144fb084f194cfb290a5ac2889",
  "header": {
    "v": 1,
    "height": 15,
    "prev_hash": "4f074183ca945fd43bf666780b348daca82e8e4d21606a521f4a30b23fda5f08",
    "merkle_root": "bfad432b291562d1776ecd0a258ab670fa25981d3cbe8afe4ad3adc2581e6186",
    "first_seq": 74,
    "last_seq": 76,
    "entry_count": 3,
    "at": "2026-11-06T23:20:18.692Z",
    "key_id": "key_a521921c2ba20669"
  },
  "signed_bytes": "{\"at\":\"2026-11-06T23:20:18.692Z\",\"entry_count\":3,\"first_seq\":74,\"height\":15,\"key_id\":\"key_a521921c2ba20669\",\"last_seq\":76,\"merkle_root\":\"bfad432b291562d1776ecd0a258ab670fa25981d3cbe8afe4ad3adc2581e6186\",\"prev_hash\":\"4f074183ca945fd43bf666780b348daca82e8e4d21606a521f4a30b23fda5f08\",\"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."
}