addrbookFor publishers
← The evidence ledger

Evidence row 3140534

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:302267
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a859ddfabc1108c44e7b3983b9f23ae07735ce9c0946b503d866fb3b11ccf57c
Leaf
0x67cef968c20c2fa7d667f2ed239ba1393d1ea58045369d2ebb02da9dd05c2cbf

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/LVhjcd"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ced73bfb-5619-4dbd-8794-b1b9483f8e7c/.well-known/agent-card.json"
    ]
  ],
  "name": "Koser",
  "owner_address": "0xbd4984d6219208fe19e6d956a4ca034ba7ce33cf",
  "raw": {
    "agent_id": "302267",
    "agent_uri": "https://centralcity.ai/a/LVhjcd",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Koser 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/LVhjcd",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Koser",
      "registrations": [
        {
          "agentId": 302267,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ced73bfb-5619-4dbd-8794-b1b9483f8e7c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/LVhjcd",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793830274,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T22:15:40Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Koser 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/LVhjcd"
}

What the leaf hashes

{"body":"a859ddfabc1108c44e7b3983b9f23ae07735ce9c0946b503d866fb3b11ccf57c","id":3140534,"kind":"listing","method":"sync.erc8004/1","observed_us":1793830540559735,"prev":null,"subject":"erc8004:5042:302267","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. 0x67cf65a36703568fa2c1bdfbf8107938ce944b990aacbc2c08562b35daad905a
  2. 0x54c5e8fc28ccb428886b351246f2cfe48a0181dcea2a648011239749e0a04aa5
  3. 0x62a0975e28f81aad5f6b8a3f31f8bb3a0c5b03167e602e33f3a4c806a6b0d354
  4. 0xf08709ad2d122ac9308109a202c615a48c0c868ea1013c3a6c2bf31301a6f374
  5. 0xeb14ba41556022715876a923dacc4c7d990ab02a3d725423e369cd397db4d130
  6. 0xc8ef8c01233dab213eaa3ec697eb9083c458d44bf94ee86a660bb5c4e49456c5
  7. 0x6084a39729c5cc5cecdfe5871bfa7abd5e452bf3b9c91f6f5076099341540ece
  8. 0x8945dc757c98f24744f7c4a1e87bc8e035e284b9e0fdf516801e79b641ea5210
  9. 0xc8d89fcc441d0c6cdd971e2b2d816354ead079a929303bfaeecce5ad5570b56c
  10. 0xad5f6eb5cef40f48cf20a7f4aebc88157f27e7bbba70e7addfc97abfa1a836e3
  11. 0x3ed4c10afb5aa41a8c8e0c426fa14338e272ae1d023ae60f2d06cb373691aa71
  12. 0x1d4903962615c45580363ad6ffff9998a9f861296c07e9efa72d6a1bf2a835a8
  13. 0x216c4f7cb39735a92a679f53387ec2cc0b20dcad456dba44554a9756bca6b24b
  14. 0x3712db1cb5396683f3920f9feec808cf32004edf753d19ee1e3de6f3e846c055
  15. 0x0e10919b7a16f90360e54e6f46f983247d877881e666fe311966b12118be1c10
  16. 0x222747d565045b8857fa26ae816cd563ae6334c25795b19227a65c6abf341de3
  17. 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
  18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
  19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON