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Evidence row 3150206

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:307871
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
8ca991deef3117c424425febab1baf65c8318502634f28573c15e5b99b1df708
Leaf
0xb191ecc20bcdd9d1f7abc28406c3cbb85d0c8feffbd02a4f77eab6062d8869ae

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/xC8ik0"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1d67a528-08d2-47af-aa8a-a3817ae8016f/.well-known/agent-card.json"
    ]
  ],
  "name": "Havjo",
  "owner_address": "0x2e88471a99851861cb00dcf37e62ba2994d3833c",
  "raw": {
    "agent_id": "307871",
    "agent_uri": "https://centralcity.ai/a/xC8ik0",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Havjo 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/xC8ik0",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Havjo",
      "registrations": [
        {
          "agentId": 307871,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1d67a528-08d2-47af-aa8a-a3817ae8016f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/xC8ik0",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793834509,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T23:25:30Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Havjo 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/xC8ik0"
}

What the leaf hashes

{"body":"8ca991deef3117c424425febab1baf65c8318502634f28573c15e5b99b1df708","id":3150206,"kind":"listing","method":"sync.erc8004/1","observed_us":1793834730592746,"prev":null,"subject":"erc8004:5042:307871","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. 0xb191e393560b2a9a3739f68be21dee16ea6e6a7bac26b35f548f342b8c1e92dd
  2. 0x08bc57d757dfd76cf8ab0ae7f8816e2770c7355b8895cfec8449de4069edac8a
  3. 0xfa0208ac81fc02fff31816dfb6118dff8874d17ca215727c4710b1369c3426f7
  4. 0x30c8dc2c67a84ee09cf2e75f23d0f4fb467013b4bc95f90c463e2c53bd3d1968
  5. 0xb217e986ee76fc1762ba50a7c9adfcb9ac440a049c474af96f0e9148c04cd764
  6. 0xaa67cdd02c2a965959f66768bd6655ba54b4e0348faab55da71d305e8c2db272
  7. 0x9e997b9fead3061cc4f848cee6d656c3249e0979acb4ff35a2d0249e23049713
  8. 0xb89028b9593b246b2909351e09325c113d5e653cbeaaeba15356516a31a3f21d
  9. 0x68a177498d6e9564bb2988eb256e78810c552221c8444d9f99f1c08213bfc4e4
  10. 0x9377baf8d7525bcd3a6f148029de997610647cd9b2bbe0c2bd95f0513f89c9d8
  11. 0x5d32cb9ce5097219e3399af4c86fbb30e2e5b60f1de64df46de531c5ba03e3eb
  12. 0x8b3e675e36966d366b40845cdd8c2f6f294a1c1acd32663465d5faf7542c9f6d
  13. 0xe0c107caa77d5efbcc89600269de124b9669a0ee20ae1f6465c79cd503bfc9ae
  14. 0x1088369e34916a33a3c583323d2fc4f49164cbac20b02de75926f72398b939bf
  15. 0x9efef3631f971f9adf134dd93a6862b2ba10ef6a355b78514b4cc469a0d1496c
  16. 0xaf6861b690de8e69efdec688615139e2df9624a773d4c6017d1ef5841d1ac724
  17. 0x321a352f90893ccd0656c1544d31825cd29cf74464e924a4ca7fb29b1f8ee0fd
  18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
  19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON