addrbookFor publishers
← The evidence ledger

Evidence row 3034659

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:265376
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
d3f2d3a9ec19bd3549d66093f2cc58a3b49ff58a57a8b5ed288496c05afa8e9c
Leaf
0x048e292b1b9102297afe0d374f3e21b3bcaf66fbd42a10605da0c999c9581f47

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/2l9SQx"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/fd618e53-9ac5-453e-ba2f-8b54ccbc4676/.well-known/agent-card.json"
    ]
  ],
  "name": "Zamessus",
  "owner_address": "0x4a03978440f6d31932397b0bd09a105dee7f4f64",
  "raw": {
    "agent_id": "265376",
    "agent_uri": "https://centralcity.ai/a/2l9SQx",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Zamessus 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/2l9SQx",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Zamessus",
      "registrations": [
        {
          "agentId": 265376,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/fd618e53-9ac5-453e-ba2f-8b54ccbc4676/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/2l9SQx",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793810797,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T16:51:24Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Zamessus 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/2l9SQx"
}

What the leaf hashes

{"body":"d3f2d3a9ec19bd3549d66093f2cc58a3b49ff58a57a8b5ed288496c05afa8e9c","id":3034659,"kind":"listing","method":"sync.erc8004/1","observed_us":1793811084964202,"prev":null,"subject":"erc8004:5042:265376","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. 0x048d9b2be1accf9646fd1da36b8e09ad9847fc0097859df22e399a066d9b1147
  2. 0xf119dfc15b48306e7aad30f1deed188fd3254e574d9939913cceb01778f79c36
  3. 0x2ba049364fd9f2cbeeb2612fa34320326f52ce70e9cd662534898d83d67fa6e1
  4. 0x8c8fbcfc2a9ca63a7b84049aaad4ac7f273575463e83e31c315fb3248389fe51
  5. 0x51fe12ce2daf114847116737abab2c8a7f241e68d0ab78acf577d866477697d3
  6. 0xd83128bf403aa435ccfa86012374dce7b8a5f112156f314e935d3a0402e0cbe4
  7. 0xab19ded3dadaa8b59814c94aac54ce1387ea82096b02dc65bdb16de24970f7b8
  8. 0xadb22dca69f04934dc8de7f59287acf76fee24c97829b51fc7a62fca6c0b559e
  9. 0xa216eb5dbab3ca7959b6a14d9d129b3f43d2b61c11f0da37369d52f761d82d57
  10. 0xbfa2647f522a271e37eed12794c93c6c7b2bfef61b886812047277dfeefb8245
  11. 0x7e57a92edd37bf42fdb38f539d7ee42e4228494d04b1ff60719bb5645230b9dd
  12. 0x0654ce27db028578a86e6f93f447e51f10ccf2cd040652503d172b9a5cec8e76
  13. 0xad5a46dfc15b1fa22e8486151450a6f37d899055566d4c35056addcd7ce6bcf8
  14. 0x6a3416cf73ed4756d52640940225459d148cd46e589ccdf5cf8d39dc68c403bf
  15. 0x25c6f3031e09eeef9fb0f5c010f6aa1605f7af5f1a8859ce4db5ae48d0598359
  16. 0xcdac863807ea81d51a9ab718457637e91824fd377a06759901352d9a23933554
  17. 0x01c26569ec8e231551522ab452fd5d417c3d66f29c7c76886a8ec295a18dd624
  18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
  19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON