Evidence row 2565206

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/gD9xVE"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d939b98d-8e14-4e3f-93c0-2dad229b14e3/.well-known/agent-card.json"
    ]
  ],
  "name": "Niton",
  "owner_address": "0x82421260b3c9b51bd17fc91d32cb2431b1911571",
  "raw": {
    "agent_id": "175538",
    "agent_uri": "https://centralcity.ai/a/gD9xVE",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niton 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/gD9xVE",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niton",
      "registrations": [
        {
          "agentId": 175538,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d939b98d-8e14-4e3f-93c0-2dad229b14e3/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/gD9xVE",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793701010,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T10:22:01Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niton 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/gD9xVE"
}

What the leaf hashes

{"body":"57032c22cdeeceb86e2de50f81997815f1c75d3a93628827ca587f65a5c2b41d","id":2565206,"kind":"listing","method":"sync.erc8004/1","observed_us":1793701321491209,"prev":2563928,"subject":"erc8004:5042:175538","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. 0x0a1d3de50c8df62d5b267bdc5fa24b8de378ca3dba8039cacf6627ccbe8724a4
2. 0xb738c27cff05b3dc70cb264192ac44ee36c085017ce04bc8450ebaf8e684c01a
3. 0x55b785bac6d684981473b3e06e1c7d93f3a4b2d3e5ee6f7c35dae89fd212f066
4. 0xbbe9e671ad02fe0296180b8a6339607fc8df3f5bd227a95daa5c4822229c5204
5. 0xb8ae5046d5ff022272137226aeefbc49109577115302ae0cce68b34971844eb7
6. 0x05f6809d7f1bd18336007770dc20067090cd7a1a8e07fbf71982c227df170fa2
7. 0x768cfb3bbbbde49c086421045cc9cc1b04d80136e5644e258d7549e38f40da32
8. 0xb23e66e201607c44ce424e42ec7a8d24222839e300c85a8df6266d390a6a02f8
9. 0x2fb4560f0cca0f87726721d3677fae884388507944665d4166ad4da68398decd
10. 0x77d1786912417e92a594e92cd5c3e3fec802c9772d66637a68ac6e04c6294220
11. 0x64a573459a5d7c396f2e309be2fa8794e34ec63768ec3e954efdd8f69ef511a6
12. 0xc684de9fa4094ebc43f571cac3c9c0a908ecf227e27f0d3ebd806b77893c24db
13. 0x77365e277a66401435f7d6ef2c2f391eb8bef5379137ac42138864d25b1fc624
14. 0xa495b842d8f7d8efe4285381f8b862b8ab4fec0bfe90ede1e0c66f9fad72c871
15. 0xb4a5f7c31f5cf0c432e074558e814e1cf79fb110d635b7af2aa4b424de125934
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7