Evidence row 1839216

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/m7l6dM"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c5a9dbc9-fffd-45f3-8327-deeb2149ad20/.well-known/agent-card.json"
    ]
  ],
  "name": "Briazino",
  "owner_address": "0xf9f0e7f0c9f43290559bbd25442d462b864c8516",
  "raw": {
    "agent_id": "34334",
    "agent_uri": "https://centralcity.ai/a/m7l6dM",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Briazino 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/m7l6dM",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Briazino",
      "registrations": [
        {
          "agentId": 34334,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c5a9dbc9-fffd-45f3-8327-deeb2149ad20/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/m7l6dM",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793572794,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T22:40:43Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Briazino 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/m7l6dM"
}

What the leaf hashes

{"body":"b4ed60973e1838ab100898c2f4b6740b6d2dd924c29af6f054b0038c47e073be","id":1839216,"kind":"listing","method":"sync.erc8004/1","observed_us":1793572843218592,"prev":null,"subject":"erc8004:5042:34334","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x062772a071192c38342aed8f6050a805b43f22c221dadb9960c41d874587d7be
2. 0x07cb00b225c8f62a7b0fc48f3c0d2a3592d7d293fe4870e1a13e4d61b46722f1
3. 0x7bcd4d0fd59f0f3971e30a03fcc28fe476fbf8d7e803df88e63788a08febfa7c
4. 0xe0df34a80ea60316ae0c9da52c751313f40a79c50044ce81fee20c5e7d807643
5. 0xc547f6daafbf83692d49f44aa77da5ed7ae2db60052eb6c1ecdd4339f77ad54b
6. 0x953580cfcc4f88c3ae02c3910df23018729f18e09507dd3001553e89b167a885
7. 0xa379ebb8e7591026340a1071588a384fa30391f66c3983faac39783fbb73861c
8. 0x8dfa353cde51ca6747d75ba65e0afe3b11de072a9eb3e65cf3c4fa0859dbc4f4
9. 0xd46be647f94ca1d1dbd73d7d9d8b64bc55259e4d03ce92760ed4a1632d19a9e8
10. 0xdbba0866ba18310c5d8d9e0a04ca30f304b6f4893dea189a657fb3aa6212bf5d
11. 0x1933507d6f34c466ec8db31b4a5d85e8d5128afe3d758d526a14d23e914b5f3d
12. 0x0e504833698abc04312a4beba98e6602297f4ebcc6ef94d56c7c823f8f4d1120
13. 0xc5ca32546ce0064b3138a27ee36e8efc96a7bb8d2662039a9f7264614b609213
14. 0xd6df189d40f713323baeb698612a9e7d2afd763112be148a165d7fe65a5c64f7
15. 0xb611d3d400373ab2497019fc1d3d5040f4f6589f8d98d8e25ccf29dd2b68ad92
16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90