addrbookFor publishers
← The evidence ledger

Evidence row 3025351

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:258893
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
4d86948eaf69a951340047e6a80f811914b16475e3a3f863013d6f8d6ac39d9b
Leaf
0x076c9fd3545e82f0ff04ee50c3dc11de51d21d2913921ae33e53da29f9a84c02

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/VBtoEB"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1ea228ac-5ad4-495c-8a7a-4be641ff9b80/.well-known/agent-card.json"
    ]
  ],
  "name": "Gratler",
  "owner_address": "0xa4c115bc30c5de0437dc131443de1718daa566bf",
  "raw": {
    "agent_id": "258893",
    "agent_uri": "https://centralcity.ai/a/VBtoEB",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gratler 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/VBtoEB",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gratler",
      "registrations": [
        {
          "agentId": 258893,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1ea228ac-5ad4-495c-8a7a-4be641ff9b80/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/VBtoEB",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793807029,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T15:45:25Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gratler 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/VBtoEB"
}

What the leaf hashes

{"body":"4d86948eaf69a951340047e6a80f811914b16475e3a3f863013d6f8d6ac39d9b","id":3025351,"kind":"listing","method":"sync.erc8004/1","observed_us":1793807125465013,"prev":null,"subject":"erc8004:5042:258893","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. 0x076c83b8f750c2f02e4c4d7b969bd154e196cb68224e18af958f39217cafe7c7
  2. 0xd3cb8c1864e509838d104e2897b5a8d12a3535f13aea415cd9b26a3eb17ab091
  3. 0xcab21c1e1fc0c6e3306fd6d04290b09ec4fcc65455caca03c46576bc2cc1df77
  4. 0x8b0e046f61b61c4433721ac9e1e9fd2a435f7ba92e1d27306bf071229c7d6c1d
  5. 0x0d0c2b70594e52090e64c93f0919ad7965d8fc9bc672881d908bab39aa2c707c
  6. 0xfa1b04db6e7009e161fac5a21c56039c246aaefeb43a58623be731b531633f14
  7. 0x649038c0b7ac5003436f2257c4dad5eadfd4b9edd8001faa4db5ccc5d3443188
  8. 0x87671b22eb810c7a85eb0720ef722d041954dea1cc81db00d82eaf21049dbe78
  9. 0xce40c17b5ed959746e02bf196b31505de0555f5b589bec213c93a81b73b4486c
  10. 0x6a0fb6b45df5861233e8c408e63802739aaec633ebcb5473509da60dd9b655c1
  11. 0xcb7ae02a8f07830b6a532768a38593d05ccea64998dd39e08a6a6c4ef1766c1d
  12. 0x6d9bcfbba9bdf59fb9693455ebd84634a2df09acc1ec2cfaef1b9bd1bb193297
  13. 0xa232f39d56b8c1778b4a53ee7cdafe19b17de2af13d9c6ce77cd26ffbca521be
  14. 0x100f0c53fd119963d622a12ca44bbe30cb6c40b8715b5360425f34a4bb487b35
  15. 0x25c6f3031e09eeef9fb0f5c010f6aa1605f7af5f1a8859ce4db5ae48d0598359
  16. 0xcdac863807ea81d51a9ab718457637e91824fd377a06759901352d9a23933554
  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