addrbookFor publishers
← The evidence ledger

Evidence row 3030186

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:262413
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
ff7db34f68e48ed99dd2254641571e578133228b2fc8b7e73784e4a7aad63a28
Leaf
0xe9623e7d463e1c056ba79809c1585d8c0a95ed5cbc8f2c67dda807a04da65e92

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/1n7cMI"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d5a8046d-a824-433e-82d7-8b14e632a2d9/.well-known/agent-card.json"
    ]
  ],
  "name": "Kerler",
  "owner_address": "0x7b52cc78b89a53bc753f1e21874bbce8e92d9f72",
  "raw": {
    "agent_id": "262413",
    "agent_uri": "https://centralcity.ai/a/1n7cMI",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kerler 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/1n7cMI",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kerler",
      "registrations": [
        {
          "agentId": 262413,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d5a8046d-a824-433e-82d7-8b14e632a2d9/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/1n7cMI",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793809132,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T16:21:17Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kerler 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/1n7cMI"
}

What the leaf hashes

{"body":"ff7db34f68e48ed99dd2254641571e578133228b2fc8b7e73784e4a7aad63a28","id":3030186,"kind":"listing","method":"sync.erc8004/1","observed_us":1793809277456797,"prev":null,"subject":"erc8004:5042:262413","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. 0xe9623e3fbdc3dc242c8caa4774bd2af689a8db2b36d98a232e7df93f2fb214c6
  2. 0xdba0133694838d1b872fea4eb89981558a48c0fef2c2f94304db8027e4ae1401
  3. 0xbff4e1fdb34549ad2257114af5a98cb58397c0e4d9b104b40a9c3f267a0173ce
  4. 0x3f60d10be11ad0e54b232f6dc86564f01da80f449bbc05248bf2f02e639da95d
  5. 0x3be425c022616067d3b6ee8c178ae36eb8f38bd756837945d731c8ae85f85752
  6. 0x01f90a8868b3d4f5f09490198b98e86259fcc06359306816861bf643d2643386
  7. 0x9f7f60894b3e6f91d41d175dc8f6a5f54e0ae6abf5cead83e1b9a7d3fea51a68
  8. 0x46944d453234420591417dd2523d428b341bac66620d64ec46fb45b27af6f86a
  9. 0x62703fa8a2a9e479d75b056d76b72d11dfce08a4e85260f0fde2bda4a117fb28
  10. 0x98af42a04b2e138bd05b8c2f81a8d9798a585c896633edfa90e3370b072d865b
  11. 0x9bec014aabe3ac7c8b85b00aec51e1a1cb6baedcd66433e32506d4fa7361b923
  12. 0x7b29983d21d189035e14b385cc7b641c7734c5bf89a713b2fa78517688d71747
  13. 0x1cd766c91b1467922177ac33f992bcfdcafb73d52682ea0fbd2c84678bfa48ef
  14. 0x720853aef9bb54958fccfafa52cacf2b40b59e996a29e903a7d00c64b308933e
  15. 0xacfc95cc63f2205f2e42294ed36a317ab746c06b12feb3c243315356ad95b62a
  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