Evidence row 2550257

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/oUgfND"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5efc3bc0-46a8-4127-96df-bab91687c575/.well-known/agent-card.json"
    ]
  ],
  "name": "Brunton",
  "owner_address": "0x769e5a99659c19210ef751b74a43ec3af5eca0d5",
  "raw": {
    "agent_id": "167913",
    "agent_uri": "https://centralcity.ai/a/oUgfND",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brunton 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/oUgfND",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brunton",
      "registrations": [
        {
          "agentId": 167913,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5efc3bc0-46a8-4127-96df-bab91687c575/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/oUgfND",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793692289,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T07:55:29Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brunton 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/oUgfND"
}

What the leaf hashes

{"body":"2992552cf71cfd6449a96fef02329b3fedea8eabee6c39a6696b905c5402d0a3","id":2550257,"kind":"listing","method":"sync.erc8004/1","observed_us":1793692529584246,"prev":2549564,"subject":"erc8004:5042:167913","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. 0x4cdbde57f3ec12969ce581a0fcc9bbcb8869f88bffafe5966786e2bc40676a67
2. 0x82cda70f4e37106cfc3e7f7622804076c25a281fbba2081ea5d941c60f1b62c5
3. 0x2a55f6dce0e936367bf66a8d5a6c850993513fd6fc394a7417c68893b4a226f4
4. 0x006cd05e5e19261c719b8fbb0c0db7314ff8cb76083057cd86b7802cd020d5e3
5. 0xff93c86817862ceec62b9a012b99b72a1b0e72648529aa55a8d21950ecddc1d2
6. 0x53275f1cb12a041b9ef188b0901b84d487ebec5cb4296aafd5c2d7a76f159d0f
7. 0x7b48e6944a27058781d45b9eb866e464d5423fd10b41f1cbfb55079d65361e19
8. 0xdbc6884bbc9b68df5ecb8d61c6101e1eb2de5ebe2cc4b5b8a06a2ce2182763ae
9. 0x293a675fc22b609810f333dc7c455a7065263324182a9d23f1115a11630495bd
10. 0x004aa0d5814088583c9cb4300ed0269152dac1bd00d6b8506a658a4141f92811
11. 0x2b49120d86512ae7a9ae136dfb03f51d779a76ef3db525092e14b7aaa09147dc
12. 0xe87813383a7f872644dd6399e954b60bc8b07556394d764e70aada0d1f862c6c
13. 0x22f82e035d3ea6cb5d84043480913f82c413a83d3ed928d72d0127600d8acbe9
14. 0x5e9968227987a7f0940fee03a33017f5e7157de7f0889921817733c1ab8871d1
15. 0xd106fbd3b5dac57c72dd4fc8931f69b38fd5a542627e63d015b63dadf2188a2f
16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7