addrbookFor publishers
← The evidence ledger

Evidence row 1842633

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:36268
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
44b8b8f8ae084d959f6d52be02079d451e568feac6d34a1b0bc798b908bc541b
Leaf
0x4489945da4eb4006f7447383f303c7d69d4b34f2f041cef756f5a1287392065a

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/xeaj8e"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/195a2d56-0a0c-4fe8-8d7b-e9fa1391035c/.well-known/agent-card.json"
    ]
  ],
  "name": "Nevisto",
  "owner_address": "0x60367c4d843f11f337967d803d74470ac31e12a3",
  "raw": {
    "agent_id": "36268",
    "agent_uri": "https://centralcity.ai/a/xeaj8e",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nevisto is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/xeaj8e",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nevisto",
      "registrations": [
        {
          "agentId": 36268,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/195a2d56-0a0c-4fe8-8d7b-e9fa1391035c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/xeaj8e",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793574345,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T23:08:55Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nevisto is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/xeaj8e"
}

What the leaf hashes

{"body":"44b8b8f8ae084d959f6d52be02079d451e568feac6d34a1b0bc798b908bc541b","id":1842633,"kind":"listing","method":"sync.erc8004/1","observed_us":1793574535941701,"prev":null,"subject":"erc8004:5042:36268","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).

  1. 0x4489a112d70461492ebb25ab1d7449acc2e8b25331802fc3570a09ba5fb49424
  2. 0xa3ff141e9726fabf72cd7e9e96e815353a685478f4b4f5154977dc4be54527a2
  3. 0x953032249889506fdfbcc9c8ae5479add1f5b9afd21a726aec21673c1610efb0
  4. 0x2527f409e7c5985b3621f02f72d21440df6fa14773cdbfcbf50c03fd2db65fd3
  5. 0xde1d5523dce2dc819b9f81c97b2261d0aeab24e50452096181e0cda64ccbda46
  6. 0xda810776ccbd24210e7ba21da1e0aa64cdde5b7ab1310b02301f74e6cf1f1bce
  7. 0x562ed7fad1ed701d4f93381be48220f5019320e75b5596e780e52500530f1c26
  8. 0x083e465f6f03cb788eabe7f78e311175be92828dd050e84a591f95ac8e21402d
  9. 0xb2cd7e85a19187df40cbad7b0194a4588ef809dd2072a159968c69996e17bbea
  10. 0xed001570779a9ee7f660a4191f08a5a64dc7b7b20757097e6409cb9ab24f06eb
  11. 0x7f331a28c6dcf46d912efaf02daf00be50bbaa909294e4182dc501e8f378ddba
  12. 0xa512aefa3742f8f2217e32a01436ec8a845ef3a867bd17d3a3ee2de3875040bd
  13. 0xb0ac6ba344d3036c1dcee62f9b248fb9e72f51af0768ac256a6f2e19b8431780
  14. 0xafcf38f796fa072123f5d525a88fd2fb85646ecc6e7e9a763c13179738711c9e
  15. 0x9518f8c5450505f008d5d964f03e490f2bbe4e73e8c89384cb6b935788ff2107
  16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
  17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
  18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON