Evidence row 2583498

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/h9Da3S"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/790bbcc8-3faf-4f5a-9bf1-7ff4a75bcea5/.well-known/agent-card.json"
    ]
  ],
  "name": "Nideon",
  "owner_address": "0x5a1359e7646e99a1cb04b2b53dc15e9819af4728",
  "raw": {
    "agent_id": "183738",
    "agent_uri": "https://centralcity.ai/a/h9Da3S",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nideon 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/h9Da3S",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nideon",
      "registrations": [
        {
          "agentId": 183738,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/790bbcc8-3faf-4f5a-9bf1-7ff4a75bcea5/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/h9Da3S",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793710670,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T12:59:38Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nideon 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/h9Da3S"
}

What the leaf hashes

{"body":"9a548b469f72a3b16a6181c81963d9d2eb4a7169ee2cb454c04b39e3c99264c9","id":2583498,"kind":"listing","method":"sync.erc8004/1","observed_us":1793710778438309,"prev":null,"subject":"erc8004:5042:183738","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x1043bcd8a980b533fd0c91ed658fa04531bbc2151ae042c214a45e4c92beb30e
2. 0xaf7dfd44507630421a8c81e8a1ca9a4567fd472476c44e87ae7d2c1a018ff09f
3. 0x5bc87477d0a8347ae69a6f7393412ddf089e0cc239e2094ed2beefa15820c914
4. 0xe814068ab84d9bdbea9908596acfae91f5a8d6f5ca0746b63f30143681b05a65
5. 0xa6e37c4dfb8f0a6d719b721914c4395916447c9ab39d83ee077bcff557509476
6. 0x954b86582185ea0f76837fd760878bff4583e36463c1173c78bba829614d4251
7. 0x931017ca94c980c7644fd0eaeabb67200a99b4b4b31a15de78891bc463cc9465
8. 0x32c940fd91537113643ffe5cb2ed1d296caa79c9c00e55d78fd524ac32769cb6
9. 0x6758e188e7dd25133e99f91f5dab065e712512cce4d3d2f0d360ca36725e902c
10. 0x2992b149d7a26bf6cfc456bd858474cdcacdb73730a947ff7ac0c3b1d4a6dcae
11. 0x54bd874e10ade4d243d54fe237d381f0e1bd259a66ff4acfe9606902b3d138a3
12. 0xe97f7d4ac0a2ce636097d79a7399ac6b709a809cd77091e3291f6d41288a54e2
13. 0xbd3788e71f07bf672e2215ded21f6568d06e4900d4c0672cfe6d60c10021c48f
14. 0x76d3127ff7002aadb80d8fee8c3084e81db30af8fbd02d4fa7d7662d40807bc2
15. 0xb4a5f7c31f5cf0c432e074558e814e1cf79fb110d635b7af2aa4b424de125934
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7