Evidence row 2180566

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/x0oHAm"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/37a6502f-1519-4a9c-86a7-6ecf67afb1bf/.well-known/agent-card.json"
    ]
  ],
  "name": "Ferkano",
  "owner_address": "0x54a56060461f948f46d1d0b6fc549b8b1c25b33a",
  "raw": {
    "agent_id": "116162",
    "agent_uri": "https://centralcity.ai/a/x0oHAm",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Ferkano 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/x0oHAm",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Ferkano",
      "registrations": [
        {
          "agentId": 116162,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/37a6502f-1519-4a9c-86a7-6ecf67afb1bf/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/x0oHAm",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793640029,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T17:24:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Ferkano 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/x0oHAm"
}

What the leaf hashes

{"body":"b0d1c6ccbcd4991e259726c2a45db36b523b6aff7279a26f193a3e09e0de7dac","id":2180566,"kind":"listing","method":"sync.erc8004/1","observed_us":1793640252021554,"prev":null,"subject":"erc8004:5042:116162","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x669a7b46475a4079a488011da6802626266ae38b75216d5b8976d69afe52561d
2. 0x3e9560ac49524bdb303e005d02201964eeab49aee62888810aabd4d663093ea9
3. 0x343b4c8e40a51c9930b1ce68c46719fb185210b89164f20496213f1b58f96ae5
4. 0x810e456903b1fd92ffa6d6788717230658cad09327abf2d1d47ea2526fc38769
5. 0x97ef09808fec4e28dde3a5761d73d86700c15c6b95d16d3a56e477848c39aff0
6. 0xb928e59fde52132055ac51770f828af7766747edc753ea9cb13908e3c5bd4087
7. 0x8366cee004f9acfe316b6da7056a28c53a07b668fad17121665eed55e043a7af
8. 0xd4b7a3271026d347710bd0af62d6e868f3791542b3ecfd17f1aa81dd72497577
9. 0x83d7fedd11942ebba94af283b2f89cd3c2f1df11d6317adc6785aeb89afe9e28
10. 0x0197b022e7c3d9e10c37d88e008d17fbb73a312c470f5a5571ca803d7cd4de4b
11. 0x5bd5a96f522730cc2d7c83453f529cad4c5355c32378d76ca968a8d0b9548f59
12. 0xafbca494e50a3e802cc29be04745764c359231efd8cff417b639a8de09c4e118
13. 0xc1de5d78ad0d5e6c3608f4aebcde48975d4694ff02af180260cf7b52890d7af1
14. 0xfb5ea8fd7d0c463ff98fdc93228854845802421c0e3865536227edf756498fcd
15. 0x23f4763e8db2efe57fbc28dfc68f2b97b65f54a03425994e68157763af649a50
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af