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Evidence row 2550361

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:168237
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
d73742d7f6793dc99c9e2fef9b4a5d8481ceb492948e54bb5a2a0b262472cc73
Leaf
0xe4293c9a2c4cc250ac353d06cb58be36ef464bab0ac0f0f5018003afe4a69332

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/IHqRbL"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/431b67cf-3416-4e1e-8f7d-50b3403b743a/.well-known/agent-card.json"
    ]
  ],
  "name": "Hiolan",
  "owner_address": "0xdc1beb66e2091df355672bde1c3cc008fe30cef0",
  "raw": {
    "agent_id": "168237",
    "agent_uri": "https://centralcity.ai/a/IHqRbL",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hiolan 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/IHqRbL",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hiolan",
      "registrations": [
        {
          "agentId": 168237,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/431b67cf-3416-4e1e-8f7d-50b3403b743a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/IHqRbL",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793692194,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T07:55:30Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hiolan 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/IHqRbL"
}

What the leaf hashes

{"body":"d73742d7f6793dc99c9e2fef9b4a5d8481ceb492948e54bb5a2a0b262472cc73","id":2550361,"kind":"listing","method":"sync.erc8004/1","observed_us":1793692530349932,"prev":null,"subject":"erc8004:5042:168237","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).

  1. 0xe42968fd9d80158d7eadc0044ea935bc7d0278a2e97daf30984070a7b84e925a
  2. 0xcc995afa1ff3353c65278c22ff43d4c525f135625e95e1cdf7eafa449418472d
  3. 0xc0ff031c5fd5f6b88281cac638f78c2201422c208f80e2f04b36d3d77f67769e
  4. 0x1f124768544ffc466dad32a7457a25262ce3bbf4e715829058a32be8830d6e84
  5. 0x874e4d8a2cbfad755062bc43a0355eb52e671a1df3504d2692612f3f5f4ac922
  6. 0x2cf76cb639c237e29fac52957201f9fd6752426448c6852ce60c44e9c103f32d
  7. 0xba7ab5c06af42e80829d111ddea8dcaccea531d70397e72ca2378cc7e380a33e
  8. 0x5e2c58b71ec22b6a13f8d7b2a42ea7eebc9ef77161e1e1a07a4122ac797587a2
  9. 0x036df25fc3e113d8668e0629c8deca1c08501baef492c7dd90aa26614eb2d65a
  10. 0xc2080293c028c9e4444d7791fc9661dd26419807c99fece58a575ab8caf7f274
  11. 0x83afa8fe3cc064d8448370921ed67d6d4b3967f53c7f58b39256c81a304a9a30
  12. 0x8a2b27ce9e13b66cef6d1fa09c15a96f8e498f7102ac3524efaae6737b11d546
  13. 0x45ba4607b58bd503d8501bd96a0477f9bb52f44b7e9c7927ec982f240f262131
  14. 0x88002651b75eed5296ce4ff2e29616d59737fbfdbd4eb1747342b2df0368963a
  15. 0x006ca23845a42a2d7f3ffca485568321f0deef0a65ff45709711a78f8e68aa0f
  16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
  17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON