Evidence row 2973990

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Vfu5qw"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9e6488bf-bc52-4a4e-b464-1fcf5ae114e4/.well-known/agent-card.json"
    ]
  ],
  "name": "Brosto",
  "owner_address": "0x0feabbd31b095df64a824c96a2e9cfe377d90d61",
  "raw": {
    "agent_id": "234707",
    "agent_uri": "https://centralcity.ai/a/Vfu5qw",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brosto 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/Vfu5qw",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brosto",
      "registrations": [
        {
          "agentId": 234707,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9e6488bf-bc52-4a4e-b464-1fcf5ae114e4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Vfu5qw",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793778951,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T07:59:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brosto 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/Vfu5qw"
}

What the leaf hashes

{"body":"bbab609a445bbc3dc2b36f57e93447c070d0b0a366917c9434b51e1e951e7399","id":2973990,"kind":"listing","method":"sync.erc8004/1","observed_us":1793779187427975,"prev":2973560,"subject":"erc8004:5042:234707","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. 0xb308ed7d2374283ee8e96de6bb3aaf9696692d446fc826635d6ad1d187c3cd08
2. 0x68f50489d4d3467b095f877f583d9047920033ebbe58821f57808a81392f0bd3
3. 0x8d39b8884624f275ee23781d2db1c05e244df2b23b668be9ce785e04170d20d4
4. 0x40feb32de93b383658ff737d61456244846a0b73053252fe1d3d90e6f2534929
5. 0x3167908fe177405715200b73e71b76ce5213ad5e9940b36e3b5cb2207e09f9c1
6. 0xef9c7037004debf4d2913c968180c3e0b00f6ccc935be0f0b8060dcce977364e
7. 0x39c7e3ef1c588d403b9b8e7843839c725139cea158c7ddd9bcc2e0d9e3e415ce
8. 0x85db237606cb9afd8049f0d3600fa3d19f1b9e70811caea7ff0ba9f052428801
9. 0xd2f8b2583475e0518b92fc24c2f32aa41d4d68b4e76d9ef319b851a84c1c1430
10. 0xc5303a01554b7b687eb2ad7174587e6b5ead7a6c9da46c4314a0983cf1867ce3
11. 0x4ab787107d8b59dd496cdeb924519a23b21f6396d7e86da68bf66af1a8a60949
12. 0xc19db041a0cb1227803a4900c399374c1510173e24c4f02a67ced8c099d46017
13. 0x7e888ce63b4cb38fbd4960699aa8bf4042a285ec16af835a364b7fc414ccb08f
14. 0x494b466b3bfa0226a2c352cb1002412ec2f3d6fe45fdf4fa746e5dd945de3a9b
15. 0x99e1d917a09f567cab45503a7bb813f7329bab71a3ee4058b136e2e24fd38eef
16. 0xa81588732e20541f1fd63a8674c3102204c511e11cd493c1ebf29abccd23069e
17. 0x321a352f90893ccd0656c1544d31825cd29cf74464e924a4ca7fb29b1f8ee0fd
18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345