addrbookFor publishers
← The evidence ledger

Evidence row 3022843

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:257063
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
74e157d136941515da07d44faec265ae0d8e41fc2d5c49022bcb68e5099d91e2
Leaf
0x199a9750bbb13cb1f78f6c45fc0a112668653f428543f44ea308dcb2dd2e5379

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/tPF2XF"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/711ced12-fd68-4610-9067-71f94c239dd5/.well-known/agent-card.json"
    ]
  ],
  "name": "Plaudero",
  "owner_address": "0xa9223e93f231aaf3846fde72eca41a8cd7dfb0d3",
  "raw": {
    "agent_id": "257063",
    "agent_uri": "https://centralcity.ai/a/tPF2XF",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Plaudero is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/tPF2XF",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Plaudero",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/711ced12-fd68-4610-9067-71f94c239dd5/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/tPF2XF",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T15:27:14Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Plaudero is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/tPF2XF"
}

What the leaf hashes

{"body":"74e157d136941515da07d44faec265ae0d8e41fc2d5c49022bcb68e5099d91e2","id":3022843,"kind":"listing","method":"sync.erc8004/1","observed_us":1793806034532530,"prev":null,"subject":"erc8004:5042:257063","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. 0x199b18195c91de64c8295d1b09a0484e011b955d7826e4a256c14c4f0f12df0a
  2. 0xa20f0719bf0f54231d9dd5508400362be5d2b5df007680f7ef5bbe69e83f2f92
  3. 0xbc3d89e9f01d4439bdebdb71063925ea4ab3f728a796e897d9203d8e74013433
  4. 0x138480d1655fc555fe0a4d06704515a45c0e4c60eecea7d87578377e407be5b7
  5. 0x2b48537a7914d763b99040fd6c7f7b99dfa179c7d1237171cdffa94c44244211
  6. 0xf9954aeeaf9d6b5c8252970a31b72ad95cd07a53dee515a874f9901a05e1ba16
  7. 0xfad6c7e8ed332cbb6e30b84b400aa4383ece2122d92fe0e8b1838ef1a635ecd4
  8. 0x9e0194d34c174f717351e94b78e4548a357546180dfec531a7f227f528d9f2d4
  9. 0x74364b1f22e30178bffd7bca2371ce2117fec41d68d8c1236a77efd86f4aef5e
  10. 0xb0014ef353d3967da54838d522966c07acb1822ac01ad594ad005c7a29e12d57
  11. 0x17668d0188ccd00e275da40a6b85dfe5169c39d1c104fe700d7d156eaed922c2
  12. 0xfbf0ad2bea111f69f28b8d3a2f681353819e721aa52b5e06a110cc014a4d7ea9
  13. 0x292878d1fea45cf7e6caa03d861e734b6d7c392cf431b9e7acd4b26968422520
  14. 0xf0f02c8f6d66ea83b0e30d64247c845d4dcb4d5cd98d515dac1a45c51f7daae4
  15. 0xc548b1872185ffa8b629b319d34df11bb7ba9b287199b96bea02abad81eebaa6
  16. 0xa9c5ec1f03532da98f64c2c9386083d4c5202ff37eb07bd4beb6b8db6e4b8c1e
  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