Evidence row 2560254

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/YMheH0"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/0e48b1fc-324c-4143-8259-5cd6bcc7af06/.well-known/agent-card.json"
    ]
  ],
  "name": "Grissa",
  "owner_address": "0x9e63d7ce4f1b0d0ece5b2e36dcb4cf3f336ab5c9",
  "raw": {
    "agent_id": "173414",
    "agent_uri": "https://centralcity.ai/a/YMheH0",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grissa 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/YMheH0",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grissa",
      "registrations": [
        {
          "agentId": 173414,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/0e48b1fc-324c-4143-8259-5cd6bcc7af06/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/YMheH0",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793698352,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:37:02Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grissa 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/YMheH0"
}

What the leaf hashes

{"body":"2cb4c664a16b0ad8e8d6936a4715ea9c053b3d3c0680e1dca6cc04a5bc8f6f88","id":2560254,"kind":"listing","method":"sync.erc8004/1","observed_us":1793698622062576,"prev":2560015,"subject":"erc8004:5042:173414","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. 0x4fd89e70d859e1e7121b62d85e7c6b6a1ee027d197139372a6c3c57bc218dcde
2. 0xf05dc5a6a250bcf00968ae7a2a31a563e697c1c66aa2ecf2f6a430c6e466a6df
3. 0x308eaa4074dbed1ebbb4123e5fa0148534c2192f8cf1c26d2ea2f9dc71b3dd4a
4. 0xa305bd5e51f428b55ee8b182459ab22ff0f67483074f3ebce3cdd0f5c155da60
5. 0x9c41858c3e1bc07b9c12afa2bc48e6d5fa34c7413f506923a3d2781348d04e53
6. 0xf8d263968277cdedbe295cad9a400315334c507c7d9a5d7d2ada900585adb1da
7. 0x40e00e5ebc7a58a23b40a9d83f92cb8be183605f93fd4617609d085b4289f075
8. 0x04dc47c041eb9359d0fd17fa5d69cbce058dddec77e366f664972d4c57d60257
9. 0x7bf0b9dae1fcc25936501fd50102a42d3a8873252fde8de01e8f2a7c95975a33
10. 0xee12837196184c0a924c5263c6bda8b6cbe7879dc054c4c6dac4fad7c12e1ac8
11. 0x74f62bae1c62cdc4d6e026e2a01922542950f68d963561c7d5ea8ade3d74ef43
12. 0x5067e540510b4775123aaa1b89e8e771fff48cda2d5217221586896ab145069b
13. 0x94187c120b8099d2990297ee88e8eb9a21573805f8105e5ec8b85c062f211c25
14. 0x4b9907277e91efb1f7d9761806af6ae068cc26782473322e3d536248ba73fc2e
15. 0xda5db54125314643afd2553cc06bcc66d4fe0ce60c8998f4ce0b19c465813b51
16. 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7