Evidence row 2988281

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/uNpkvw"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/83aa21db-79b7-4667-b89b-f502a57c69b2/.well-known/agent-card.json"
    ]
  ],
  "name": "Brikeon",
  "owner_address": "0x7e97c9889fae265029ffdc7a4eb0ab7b35f674a3",
  "raw": {
    "agent_id": "240301",
    "agent_uri": "https://centralcity.ai/a/uNpkvw",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brikeon 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/uNpkvw",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brikeon",
      "registrations": [
        {
          "agentId": 240301,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/83aa21db-79b7-4667-b89b-f502a57c69b2/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/uNpkvw",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793786692,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T10:07:50Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brikeon 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/uNpkvw"
}

What the leaf hashes

{"body":"20c4e93bcb17496b0a7ab120083197bb0c5979068c9b0d16e4150b38a08ac8c9","id":2988281,"kind":"listing","method":"sync.erc8004/1","observed_us":1793786870341646,"prev":2988002,"subject":"erc8004:5042:240301","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0x101f632ef7069ee0643d4ca1d8b42eba9ecf29d694e2faa6bedef6a291caf8c8
2. 0x263fdeae8fbf35a67a57befbcba7e7ddc79873ed3cbb6799d956997886ce3318
3. 0x6605689b5d5e914e8d339b9d1957b2728a4a4884a2df80e7f86b1a7853e62ebd
4. 0x98c11e3b91dfd87643547abd1a84d77189c2248f40fa53a1acd6f50aa6a65f5b
5. 0x05fe239c58ffc5a1409852338da862766c8f10de4caa86592ad5f8b9064bab02
6. 0xa232a1926bb78252a1f3a7f19106b0ba9b71e59fd86b1c815f87bf8faaf7b25c
7. 0xdf7f70adeca89d6e5f47590938cdefcc219a9fa867447824494bd123d849e535
8. 0x7d9b13b4aeadc14ecb243116e2c31385ad1ede9fba703519e499730127dea14f
9. 0xd4475553f3203ad0282939d4fefb9d6fefdd9e38f593ec5caf3b06c9e3ca3c71
10. 0xe498b294419e6d58138878a9b1398cb068cac51dbbce8d95e86b9aadffee3d27
11. 0xb75d14204bb1fa6e921e2a530d482a8bc1af5dc0d4bece1a8738c666528be791
12. 0x504f025418b9c63253037ab30982bd8d8ccd8d01bfd6d1ec31b5bd731f763acd
13. 0xf0c5668f1c0e0c55d12b397a79fba67d79863ff9b4f1923bea93e19437e4c76d
14. 0xe5d2c2f467f13039435593ecb6df4996e650e192b7ee29ddf612886f03e98dea
15. 0x39999cd980e41ec2b00689b8f721fe6463b8366a077d7faaeed19e6514cfbac4
16. 0xcdac863807ea81d51a9ab718457637e91824fd377a06759901352d9a23933554
17. 0x01c26569ec8e231551522ab452fd5d417c3d66f29c7c76886a8ec295a18dd624
18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345