addrbookFor publishers
← The evidence ledger

Evidence row 3043248

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:271266
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
38d1aed9e06d476eae96e115f010fe89e12d6a964616795b52dfaa627dc8fd6c
Leaf
0x1b3ce4ed524e3256b91e863991d026ee65ff9a58addada8eb6cdbc701d473a61

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/e6yWO1"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/50e8f52a-42bf-4cf7-b275-acc3830c8546/.well-known/agent-card.json"
    ]
  ],
  "name": "Koteon",
  "owner_address": "0x9a032525168fa5635ac73ab8601a66b757b2b5da",
  "raw": {
    "agent_id": "271266",
    "agent_uri": "https://centralcity.ai/a/e6yWO1",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Koteon 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/e6yWO1",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Koteon",
      "registrations": [
        {
          "agentId": 271266,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/50e8f52a-42bf-4cf7-b275-acc3830c8546/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/e6yWO1",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793814957,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T17:57:29Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Koteon 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/e6yWO1"
}

What the leaf hashes

{"body":"38d1aed9e06d476eae96e115f010fe89e12d6a964616795b52dfaa627dc8fd6c","id":3043248,"kind":"listing","method":"sync.erc8004/1","observed_us":1793815049517437,"prev":null,"subject":"erc8004:5042:271266","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. 0x1b3cba914815fe94d69a093bca1938e2bfe5a112804f590f8bf18ceb3331ae9d
  2. 0x60a7c6cec300655b523271b66509d9e62bdf5e3487be3d3fe13fc8611cf4254e
  3. 0x88f445f64d402cfa59ef817df54e77552cde6485bad5b85c2fc7aab27719de4a
  4. 0x5c30ce016a4b60be00650669459c18524a2aef2491d24d2e3b2c97b1e0472957
  5. 0x24a159fd56d5fc59656159090520c49701ec81c0cf1dae6248b0bd293a0747ab
  6. 0xea723d9f71aedad54a153b02c6cfb1d2e7984524a962efaf8cfbeff2d0a063e9
  7. 0x7a803396a2d7edeede698c948e7effe605dd776f3049a05e9a6b6d320fc58e73
  8. 0xc0ab5143e9b06811d8caaf6ea28b527f80a1f60f9ad85e9a6a1b1e749c4040b0
  9. 0x5acb8f3c7a685b86f2b9d550e545f40aaae727d9707d9c64d9a49625ca39add5
  10. 0xe32b7a35180210e4a4f765d5d605f0a31ff47ec627f616f0913d4676d70b2f65
  11. 0xae7822c017d4b1569796fdd0dc05a5031c9b84124843b7501db232565e4eefaf
  12. 0xb02a170e06d4396239be258d9ac127c533426b7c40d8bbc0d43ac92701c97e17
  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