addrbookFor publishers
← The evidence ledger

Evidence row 2931864

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:219849
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
1d6fa08e4a1b80b984fc8a7e95074ff0f3c039364fd64311a722c0f0baef39af
Leaf
0xdc9f763807870750d04002e447dcc440308937e7114ea8c8753635384db58da9

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/pzvdR5"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f3436fe4-6863-4651-aa16-d0edd9cdeda2/.well-known/agent-card.json"
    ]
  ],
  "name": "Hirkert",
  "owner_address": "0x213c9261f4db4f9f11ad2488eb9dcadc393eac21",
  "raw": {
    "agent_id": "219849",
    "agent_uri": "https://centralcity.ai/a/pzvdR5",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hirkert 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/pzvdR5",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hirkert",
      "registrations": [
        {
          "agentId": 219849,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f3436fe4-6863-4651-aa16-d0edd9cdeda2/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/pzvdR5",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793759331,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T02:29:04Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hirkert 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/pzvdR5"
}

What the leaf hashes

{"body":"1d6fa08e4a1b80b984fc8a7e95074ff0f3c039364fd64311a722c0f0baef39af","id":2931864,"kind":"listing","method":"sync.erc8004/1","observed_us":1793759344323416,"prev":null,"subject":"erc8004:5042:219849","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).

  1. 0xdc9f49356726774c1477d02199bf6f3b17c9f427e32953fd7eaf0b8ca1a4957c
  2. 0x408c29ff660122e9c24cb59115881c9202f80850fafbe3ed8d36bcd1b81dbc61
  3. 0x542a1d87a6d91daaee0da92faae5baffff9b0b620aa02558392982d9ce04e962
  4. 0x10db8713bf1aff65849d7142a207447d65ab98aaffba5272fc5760cb74c5cfd6
  5. 0x259bd3eb4ae12f5d36fed4c3b7b85e8aace95b3dcad4616e10817c5da42eff95
  6. 0xa7a8b04545dd4e1f539d53139c74779b01ab54363375b503536a18c898f797a6
  7. 0x35aabfae9482322937a24cc4d89b55776431579e96a10ea273d1e3fd9ce7ac52
  8. 0x11747b39aa0ce85a3d48e540464bfde6ffc9bb4f585783b75ffcb7f7e6bd6b64
  9. 0x4111994c5e70ed786d55cbf07f2d4b56dde34eaecc7df7805a3cbd33fa4576ad
  10. 0xaa7000770fa23021f47f1c4acaf0e186e6b63c65656be5e91dce9d1758427fd9
  11. 0x7b099b4223ade9484cf40971267d64eba0af2e624f62c03b48d847d3d4271a0a
  12. 0xee425559ba1fa99969cf136eab55775a99a61e7bd2d237bdecd6e7c6f1f09d2d
  13. 0x67fea61bd4e70cc6e763fff5c6823730835de00cc7b0645a46f39891e3f8652a
  14. 0x3ed8b20a601d9b79b48f875323d8f3d5060181c3e824770cba4145f51f7170e9
  15. 0x4720135dc0f8960ddf4e33d6d1c6326cf5957dbfcb5082125bda6c5dbe57f8db
  16. 0x621f050d36e1026696df95e35f6767fff738c18d7486aa88506e941d484ebef3
  17. 0x7efb735f8d49bcac59a20b148718d382f32a05352c0255ebbd501ca73055453d
  18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
  19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON