addrbookFor publishers
← The evidence ledger

Evidence row 3061315

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:284050
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
1f1f3463299cdc18274aac1eaa47c92701e66f9f729acb79a84292d638edbd63
Leaf
0x780ed8a33deac244eb586fc5bea2af70d295a56c8519e73d6eed8cfa179fa51f

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/vkdrIV"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/0f422bba-6ab5-429c-8618-71124c04d23d/.well-known/agent-card.json"
    ]
  ],
  "name": "Nolabel",
  "owner_address": "0x8602a556f0aaff7a80c79e4b3fee122cee214b0c",
  "raw": {
    "agent_id": "284050",
    "agent_uri": "https://centralcity.ai/a/vkdrIV",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nolabel 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/vkdrIV",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nolabel",
      "registrations": [
        {
          "agentId": 284050,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/0f422bba-6ab5-429c-8618-71124c04d23d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/vkdrIV",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793821426,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T19:44:54Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nolabel 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/vkdrIV"
}

What the leaf hashes

{"body":"1f1f3463299cdc18274aac1eaa47c92701e66f9f729acb79a84292d638edbd63","id":3061315,"kind":"listing","method":"sync.erc8004/1","observed_us":1793821494967840,"prev":null,"subject":"erc8004:5042:284050","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. 0x780f497eea0a48fbd769a285a864d5d5b5c97f17f52c8b49c4903b0324820bc9
  2. 0xb8ee466564bb32f384d278cb7f54f6525725d0c2b08935439a2c13211a89cfd6
  3. 0xe6bd098599d652f24ad77f8c0b36278cc842e2afb2bc9975914d2e50b954f402
  4. 0x06e021d39bb14c609bba8a01643299326fecaa1c85acfa86e7b220e240c104d3
  5. 0x26c7ac030f1e8283822039632377fe8b28214bd08a5e153398c2c8d3520fc790
  6. 0xc1f33266f91f3b261f8fc80a0f6a548228f52a28e829d29bbe014da12b942a9d
  7. 0xcb497c63fe90df3f501d16c111c5c0f4aa61aa639962658ca1d2414727fd1dc9
  8. 0xa60dc39aa5b3eb942ea6653362d49d0ce734c74bfbab714a26e999d3c9a73437
  9. 0xa5ef4ef2cd5138e2ffb7110125825da7c8f2c28f42dda5aa9653be7b9ace6a0f
  10. 0xb9501af67d669d5c203546b57d6f799a1a5dc22e3080e6bd41b45a599d5e6d05
  11. 0x03c59b4a448fe961ca49c50ec38d183cd6c884da325b6acc9393aa645f41fbc1
  12. 0xd832ca2e8e037ae6a66d63df5804dabe1d27433ceb25298b55fc6478262db3c8
  13. 0x4076fd0e22941ea1a02096c37e5544abf43e324a865010790b7cad4c8fd38e2b
  14. 0x672a92bb1aadcb2fdc7b61be035def098029a867a56d638ccf038b9eb9fadf28
  15. 0xea9faa12314fce7083bb3fcd444e483bf4b2595fe0fce49bb508693c72ee2193
  16. 0xdc69c7e21c2f9c0827141cf63db0938760879d1a284b22ad79d15b80f400808c
  17. 0x7f4f557ace8b62cd85774371e24477cdc34df4d2aa68c04511d8678e3978a343
  18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
  19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON