Evidence row 2500327

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/25l9B0"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d595da06-7e4d-4a78-b5ed-feb83c2c22d6/.well-known/agent-card.json"
    ]
  ],
  "name": "Siampan",
  "owner_address": "0x67a1691aca5d6749815a92835b816951cef4bd44",
  "raw": {
    "agent_id": "148986",
    "agent_uri": "https://centralcity.ai/a/25l9B0",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Siampan 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/25l9B0",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Siampan",
      "registrations": [
        {
          "agentId": 148986,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d595da06-7e4d-4a78-b5ed-feb83c2c22d6/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/25l9B0",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793670171,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T01:45:53Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Siampan 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/25l9B0"
}

What the leaf hashes

{"body":"fe2a778d6ae9b9001c4119b5dea181bdd45f1f90273c997a49929b7a1d46c56a","id":2500327,"kind":"listing","method":"sync.erc8004/1","observed_us":1793670353497062,"prev":null,"subject":"erc8004:5042:148986","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. 0x0b6676f37921b0a0113ccc360b13f48b0a219278c1c5e0dbba2f81da8ae7bb74
2. 0x1fe14b77129a48c6a6bb35cb3c4a0c367128801ed3803010500f75db9a99ba50
3. 0xd2947e85e312d3dca941cd48d2054a105121fda7b22c2410b98c8b5c232a8efd
4. 0x6b5b12b4b525afd8aaa456ca463b1951086c1f9302976d6b3fc2ffa059c997a0
5. 0xa544868a9d29dff168f74567748e5c640ca6a63d018d8fd196cdc658f0cb2481
6. 0x682df955e60dc7518d6c16975ecc75117e596ac751022591b64a022321d1e0bd
7. 0x46c106dd60758b95dc74d783643895c12a4208e738a27ef5a7775a38fbd971ed
8. 0xb04125056affbe263c66279e61416ee36d1b8c1ee37126fd71164f4bd1c0465c
9. 0xde397586eff4442678274e873911351e96207463ddca1d4d50f42f1ff67838cf
10. 0x068c52f2a37430c998eefcd204aeaf902f6152624cbac462cb1c5b0d8dbaa828
11. 0x397596e9fb49028a611c8dcc6c8484e6147e9e403b6e7a3bdbd66f69f1f7abf1
12. 0xfe6c1e47fa9082224161741f8fc4b2f2d642a73c16c335f4b097f0cd21aedb37
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