Evidence row 1821202

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/uuuiz3"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7669acae-cf94-4648-84ec-92175b29063a/.well-known/agent-card.json"
    ]
  ],
  "name": "Joster",
  "owner_address": "0xe1de578bb42441f67fd33fb337b25fc89da228e9",
  "raw": {
    "agent_id": "23287",
    "agent_uri": "https://centralcity.ai/a/uuuiz3",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Joster 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/uuuiz3",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Joster",
      "registrations": [
        {
          "agentId": 23287,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7669acae-cf94-4648-84ec-92175b29063a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/uuuiz3",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793563976,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:18:15Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Joster 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/uuuiz3"
}

What the leaf hashes

{"body":"fa3785c8650e27014109eb6624c61fce89b042885f4499c4d5ef7f4916045a78","id":1821202,"kind":"listing","method":"sync.erc8004/1","observed_us":1793564295718941,"prev":null,"subject":"erc8004:5042:23287","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. 0x1f4e53a306b4492e10296522a54ef265709ff1354cb460a2beb3ac890bac9e89
2. 0xbb187f2aa1178588faa21fd252499fbb34662918db130749829b449f43425623
3. 0x7e810c77639335e794dcd61344987d880b4338f1ecbaaff1a7bd3bfd8914c374
4. 0x0f82dda45bca0b2aeb3fc8a936bb3df756f0a5639456f7350305493e6978bc3f
5. 0xb6aeafa25b6531aab8d89fc1fa92a4bd073205f677cb8ffad78bd9765e697500
6. 0xfd79ecea7b0c682f67d4917ea16a393a170f6805f01973f030799eee093f5630
7. 0xaeb051ca0b9e2d59cc317a988728e095d04bb42b5a32283998f088325ae03623
8. 0x07f4f732ac7c21e9461b5696d31e42621c0615177270bfcf4a9be37308ab8210
9. 0x5c172ee646aaf1b2de943c36476c4402d6fb6bced8bec015fab2074878cfa6ff
10. 0xd98bdd3ac0a967aa8b5a1c83428c88db5a13b31085af0f87be97d1d2bd7f032a
11. 0x91cab6bba9f50ee3f9f7e6deb673d66439e7014a1264a03918fd5d8f9239c7b5
12. 0xe0c6e8e8fb900d9a6980f3ca49963e1c565ddfdca02db71905a206e8075acdf3
13. 0xd962e1b3842b353598d79ca5fe0b84b02369d05fe8f6e6103d51bf4d4d1edce4
14. 0x175afd1319b72670e83bf74eef6f87ab2173061f5bacdfe981a6b0789c963022
15. 0xb9d6fdc8e6fb3f4feffa2c18849d74fc34d8708b574a778ae149241a90aaf20b
16. 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90