Evidence row 2562873

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/K95weY"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/0426d307-b6d2-494b-aa88-1d7dca8d1280/.well-known/agent-card.json"
    ]
  ],
  "name": "Stampabel",
  "owner_address": "0x4a2756c745a43d155bcffd20a34449f3ee45783c",
  "raw": {
    "agent_id": "174910",
    "agent_uri": "https://centralcity.ai/a/K95weY",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Stampabel 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/K95weY",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Stampabel",
      "registrations": [
        {
          "agentId": 174910,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/0426d307-b6d2-494b-aa88-1d7dca8d1280/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/K95weY",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793700161,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T10:05:07Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Stampabel 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/K95weY"
}

What the leaf hashes

{"body":"785fdb3aa03b4806630d9478f7f16b0eab052225d59d72651774c8fa9d59225e","id":2562873,"kind":"listing","method":"sync.erc8004/1","observed_us":1793700307027621,"prev":null,"subject":"erc8004:5042:174910","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. 0x530cd87192846c2d5675f10ece5b352e4c8adb28e224dce0ac44005349015bcc
2. 0x4cab4164cc57a4fe63b8c585b6453dbff069507d5d15aebed71632923147eb7d
3. 0xa2759b5b2a44f0eac44f9381ca35bf5b6b762d11e3bbd654467c28f1715be0e9
4. 0x6ca1204fafdc74bbfaf60547a4255885731f265d4c28ead2f865acddaf68c510
5. 0xfc272b43cae3cbcb4d4d4d7fa9586b7aac36f08f8618b70e9185a670b86572b6
6. 0x517a0d4d024cdfb05da07fad7491ec5cf465b6ab525961c096a048553c754296
7. 0x758d5cc908cc6db336ce42785ae26cc7fb01a7dd60405013179b8b595ce0affe
8. 0x78e4a5b961567b9b516f6ab60963ca48d2ef9aad4ed4949e3daac2b046b138b5
9. 0x9210eeafb0f40e18130de414de17cb5e6dd07054a2511403562e700a8bc92437
10. 0x3562c65f061207c9ec40ac8a3fb726eb54401fd661f194f2588d003e28637fdc
11. 0x1d38193c7b196eb1561bc8ec597d719b38386c88790286875e94548eb095b3de
12. 0x1626b574f4a54a8b5d86d9eb4a3d6bf5f30e8a03cc0eed3de317caf81bd2527d
13. 0xda890c866fee416acf3ff2be58beb7a0c492529b5dfac161cafa4d4b110f5f9b
14. 0x4b9907277e91efb1f7d9761806af6ae068cc26782473322e3d536248ba73fc2e
15. 0xda5db54125314643afd2553cc06bcc66d4fe0ce60c8998f4ce0b19c465813b51
16. 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7