Evidence row 1821209

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/uyaRZd"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d5e1a713-21fb-48bc-959b-840e1457bc83/.well-known/agent-card.json"
    ]
  ],
  "name": "Brevessik",
  "owner_address": "0x61a8b6f810c741549f5651971426c06e8073d32a",
  "raw": {
    "agent_id": "23294",
    "agent_uri": "https://centralcity.ai/a/uyaRZd",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brevessik 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/uyaRZd",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brevessik",
      "registrations": [
        {
          "agentId": 23294,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d5e1a713-21fb-48bc-959b-840e1457bc83/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/uyaRZd",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793563984,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:18:15Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brevessik 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/uyaRZd"
}

What the leaf hashes

{"body":"f64bbeaaa77fcdbe242ee44d767ec1451149ea7c95f0972c6139f6f8f6c9cb3f","id":1821209,"kind":"listing","method":"sync.erc8004/1","observed_us":1793564295740388,"prev":null,"subject":"erc8004:5042:23294","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. 0xbec5a0e1255f6271b4a98fb3395bfaacd36b6b6c4a674c5715292e15c7dca117
2. 0xae9f2f01a09a381e2b8b5f8a52b460b4aa9468d291e4ccbfb9f1565b66b16a82
3. 0x535289744f549b6337d440e65d5cda02dc39d9fdbcb160a29fb7773c4402171d
4. 0xe174d31f4083839be714743d65af4d6fe8a6b718fd59779d9cdd54cd26b4c886
5. 0x89649323cc49beb05566a1fbe309cd492867b9796a474a1ed5db49689bd8cf8d
6. 0xd6de8dcd2d9bb01ad067c6b6f298a2a10e8d134a44730bef7e01dbde4e567dcf
7. 0xdd4c66c5e39f0b74a9cff31b3ad145899710040551f6f59092d7a8a572a63b58
8. 0x88b6cc54dc9cac254cd1eaca2f5007cf51512b3cc058cc17befca91d4216e38a
9. 0xc8b714fe6ca9d9a8f85908f26980dc3faa7033043ee5b61ce7439b04cd140b12
10. 0x4bca34ea74f4b1418acbb2df72ece28dfbbeb633e7b602f5017a4d0ed808deb4
11. 0xff045217d41e4d59ec32fc820dd61456c96716695691b266c9aa6e318acd20fd
12. 0x9b5cd4fa96d6d0487b926b9322bd8aa013529868f6e0eb6ee77b66e4c965e7ba
13. 0xefe564ec44d50e51cc27963590ca317b9c3510aaf30351f2e937c01c07c486de
14. 0x0c6f1e059ed2de7638825ab03396dd843c97d2de1abde6928871cfc5ef085a33
15. 0xf6217f3e2344dd9bf8c6e296c4729fbf7611d258b93c45e1bbe5f62e65e8e714
16. 0x8339aa87501c4d4f8b38a13e480a7c563957e09fb5711bed7cf189d6787f960d
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90