Evidence row 1844875

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/cJjLQL"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9e6719ad-fa34-4e11-bc5c-bbb2fb0294d9/.well-known/agent-card.json"
    ]
  ],
  "name": "Trompert",
  "owner_address": "0x32996d677b4d6e43a3ac595d384b44d5c736906a",
  "raw": {
    "agent_id": "37606",
    "agent_uri": "https://centralcity.ai/a/cJjLQL",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Trompert 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/cJjLQL",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Trompert",
      "registrations": [
        {
          "agentId": 37606,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9e6719ad-fa34-4e11-bc5c-bbb2fb0294d9/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/cJjLQL",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793575390,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T23:26:16Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Trompert 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/cJjLQL"
}

What the leaf hashes

{"body":"f820fcfed5c827938eb7a4c4204b96d4c9e835f713b9f1baefafd0dbc2c19804","id":1844875,"kind":"listing","method":"sync.erc8004/1","observed_us":1793575576547985,"prev":null,"subject":"erc8004:5042:37606","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. 0x0939b1686678497ce0f3774f72a58037eea231d3d9b78a045506aae3bfeb9594
2. 0x93e0d45d27ada2ecc7cff46cece191783efc00e897c4f1f40226822fa366a8f4
3. 0xfb131ed52499db491568ea276f3957e3f77a2cdfa7631adb899c60a290a6d0dd
4. 0xa33ed11c79138bba4e357620234636e05e440523324df4fe340f185c4ba0cd50
5. 0x442ff7c766faf01fbf2a72429198cedb2a9d75dd9641141f28d870eec63e4e0c
6. 0x4b14d470cc7a2487482fa85643dc33f776ff8e3fa8df9699aea3d06c77f6caba
7. 0x402c50010b9c7dfa515b903fd113a9daf5e815815968a5a7319a2ee59d19d959
8. 0x4708ceb3738ebc5c9e0699b7531f7e8e57c22d1db3f9bf9c7e3af6dc5ead44b2
9. 0x64328685d5d95fe5f59e24343cd7f1f2559418cebadf1456a101a70dcafc8d71
10. 0xefead6a3d4c055d3d4cb01d23a77d6bf4865014537220cf3e3011d16629794dc
11. 0x3678c2d1686ba5a4579b2e33d70b84fd9706579b4ec4f1ad3e1b99fcc59a548a
12. 0xdec6cc03db6119cc2c965eeca2635d88501115f408138d713fca6a96e378db8e
13. 0x004697fbbf039766877ca481e8fe5ce8927b2b3f8037101f578c29dbbc1244f7
14. 0x18eb74a119177bb5bebcacf2408a5e6d3077ca72c11f6b567524be7d0ca76555
15. 0xb611d3d400373ab2497019fc1d3d5040f4f6589f8d98d8e25ccf29dd2b68ad92
16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90