Evidence row 2578652

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/DNgGBx"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/48a2e4ed-9ece-451a-bdb2-d190a98d9672/.well-known/agent-card.json"
    ]
  ],
  "name": "Lonson",
  "owner_address": "0x673137c11e014105efd2d3523312c4663eca5e4d",
  "raw": {
    "agent_id": "181767",
    "agent_uri": "https://centralcity.ai/a/DNgGBx",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Lonson 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/DNgGBx",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Lonson",
      "registrations": [
        {
          "agentId": 181767,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/48a2e4ed-9ece-451a-bdb2-d190a98d9672/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/DNgGBx",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793708571,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T12:25:49Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Lonson 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/DNgGBx"
}

What the leaf hashes

{"body":"c3838b4490624e8a6a08bfae5ac6d80ec1a4d16ba00da0dc22cba85aeba35720","id":2578652,"kind":"listing","method":"sync.erc8004/1","observed_us":1793708749021932,"prev":2577942,"subject":"erc8004:5042:181767","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. 0x17fe843a2e481377db5dee3e5c05c5522ffc27d95215fb57771f17db03eba326
2. 0xd7c2a40379aaf5b301ed334e8b014133adb6d65a7c5cd40d10b6f45c4314b3c8
3. 0xdce5d72b4ffa8c895349548d9940973c3243273a3d3b232c141b79cb96d4e7b3
4. 0x579a4be75425dd61c2752d71729b6c9d34892fd9429dfb604d9c341b42c2c40b
5. 0x6ed837e23e49d50409ef30b47743c5ce5f3b981b470987da2604ae5f25bb9d0a
6. 0x5469af4cf662cb37c137d54e557af3351ee9f031f105be392f56db98504209f9
7. 0xfa33f0c6614f58426da8a3c48ef04ba015181b4c9fa32a2afd0a13807a43686d
8. 0xa40a9f490da99679264ef9325485c7970cb84930cb6f5a5fa9976045d46ff054
9. 0x27e1f5782b11a169fad598ac2626f7219ba647b32fed989cbc8ad4c9a7190f26
10. 0x141f1d250548ebfe65b84fe452d31c5c8f278aca51546eb91d4c5c3cffb1d3bd
11. 0xb89914408b1a55410ac8a1d0dc10998af7eb74818171fc1a5108554d61ff1bbf
12. 0xb4b9c1948ca4de15875f0d083f65bcea674bcd2aabd9cf8eded53890474ddc72
13. 0x44a929c85a68a4bfc920e6f6a76cc8d1505a44eb82a85347db81eea2551d3a16
14. 0x66e70e2e75d77163246a8096eab56d11301f21ccfe90f151078a58d2560d35c7
15. 0x711583ccee5cdd04f5adf1bada00491547d886e40ddf1799b012e27be2a663c2
16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7