Evidence row 3719234

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/PvOBIj"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4daddc3c-df33-4e2c-b5f8-2644a5bdc7be/.well-known/agent-card.json"
    ]
  ],
  "name": "Briozero",
  "owner_address": "0x1763a1d8b3dac44394833c69541f7e12dd7e7753",
  "raw": {
    "agent_id": "392356",
    "agent_uri": "https://centralcity.ai/a/PvOBIj",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Briozero 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/PvOBIj",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Briozero",
      "registrations": [
        {
          "agentId": 392356,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4daddc3c-df33-4e2c-b5f8-2644a5bdc7be/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/PvOBIj",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793965251,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-06T11:45:09Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Briozero 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/PvOBIj"
}

What the leaf hashes

{"body":"13e06d1e0beabd32179276d1d6ec509993badf9adb6011fb9b2e846f245aacc0","id":3719234,"kind":"listing","method":"sync.erc8004/1","observed_us":1793965509201478,"prev":3718852,"subject":"erc8004:5042:392356","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-06 (303443 rows).

1. 0xf4678e3ce711d706827979c55355104a722f437f95344147214ceae98a667f29
2. 0x13b5edcd3e7eb866c9316775e1950faa72e104098cd1a5b78a45efdf1061b0b4
3. 0xb3b640e6b0739e4cad2565a44454ef1bf6a4a689ad4048cf763e9fdf69f8c351
4. 0xab5a658a01edd0e40b50123f924e473a47ef9e63e2b9fa0fafe67e905603095d
5. 0xe384eee702a90e06b1e151fd38e193297b759bbab2337d4a7b8ed387ef824c0e
6. 0x47083835c7b2a34f110d9e39d8bdcc6bd1281f8fe8cb4a51d0dcbde4634d9b7d
7. 0x79c9588856dc58f0e9ffc5e6a2fbf984a6ff4e53a0c119db4af54da2b5a8756b
8. 0x74081bd5670f85f5697d3587fd392601608eb48e70788eb59003665f52c8b7d3
9. 0x9ed43b10287c88449aa082d99726f06f401114a44bcb3dfb16b7859896680a3a
10. 0xf50965e0f78c28ccb32d9bc4b83529ed673564cdd031b7fc25d0788d1712d88c
11. 0x5dcf6a49ec7cd650188cdc7fe122def20502f062d9651d8e33bb2d225300c6f9
12. 0x3755ecc2b74a47614d1506c910fce7698f7e4284f166bd85bc9a7c4b1b8f9578
13. 0xa5dc4fb3a7ae09f3d06c57adbff25da103da7a1961739da10aa705af4b5cc1ed
14. 0xadb9e5d5e78a6ef642bc8b18b9f3dd14d6e5d20536651d3ce85fec62d35a6aba
15. 0x0bc8160b8c94aae791142fc9caa83c153cc73b339512089ee494d4e8e7094abe
16. 0x04c1c4929933bae20304ac32084d4b93dcac07567f68e828ac93bbc39eb4614c
17. 0x0ab273486ad4e41bf08c741b20b2ee12e0fc87eaa429a5467c58fd3be34409b9

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1