Evidence row 2256281

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/UqkNn7"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a591b2f8-880e-47c4-876a-179024c41cd4/.well-known/agent-card.json"
    ]
  ],
  "name": "Brionsert",
  "owner_address": "0xfa2b3d09150ce8b395b58a75b482def35c27c782",
  "raw": {
    "agent_id": "126630",
    "agent_uri": "https://centralcity.ai/a/UqkNn7",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brionsert 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/UqkNn7",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brionsert",
      "registrations": [
        {
          "agentId": 126630,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a591b2f8-880e-47c4-876a-179024c41cd4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/UqkNn7",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793647698,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T19:31:57Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brionsert 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/UqkNn7"
}

What the leaf hashes

{"body":"2a5300eab5ba0772a73b1e623f68a04a4a9409bd46530478c3e709f1581866df","id":2256281,"kind":"listing","method":"sync.erc8004/1","observed_us":1793647917890375,"prev":null,"subject":"erc8004:5042:126630","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xfd4d9c5aee6f4c89773e4aedaace3a77106e7c21062ab8764b409273952446e2
2. 0xb3d8857eb46c6fa1b2753b7ce799a704494164230402cc78cc3b4427c8699630
3. 0x6cad5871e168eeb0451db8a4c318289bf285ce09a29efe32a8ec8ffe21f2cd6f
4. 0xb6cdfd3e0c67127b4f96f6dac19966774fa398a15b7077b8b86e2db5d469eef3
5. 0x8bbab33e66da809d32217611840ccfc803ad78633ced67ad63894f3f73cde6a4
6. 0xbe6d634c7ae3b6bc77090053deeb1a577520917b623e14fb055305d041056008
7. 0xc7c7e3e0118c03def0ec0902e8a33e354e68eee7a6c7bef76c11486c1d93246e
8. 0x6fc54e82d7575b797b1f91f67686f668a1f325ff7d1ee0ffa96599810cdaae0a
9. 0x2ba069c902ac607a265b01efd8c7582a2d833c2c6dc4290ff990bce6bd82d63e
10. 0x9df32aea43f0bdd2b842af0fa2c21554b910235f91d3f3b691d622f5e9ce90ff
11. 0x8f376a0576c9d1462239b2f3bfa72d1e7db404c0884807ca3d42144667231cdd
12. 0xcf45699f12ed321cb81bb3f661993b9473cc0dc579d286e42718f66c86cf11cb
13. 0x2612b2a6ca482d4e1e568f2a6d1980f6401f76dd9a2480fd196bb762b9e1c71c
14. 0x59ed3c823c7507ae1b2993d19eda543383739dde961b25c4e0927023fff6be12
15. 0x4068a4306db47ea0eae5f76e5137753caa3dbb132dca6a61a4d6c1838a52700f
16. 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af