Evidence row 1770182

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/OUqwxo"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/47b08a7e-df29-4cd3-bdac-6ac9ce62d517/.well-known/agent-card.json"
    ]
  ],
  "name": "Maumpo",
  "owner_address": "0x2d6616e622e644c369a1a7bc86830f30418af568",
  "raw": {
    "agent_id": "6661",
    "agent_uri": "https://centralcity.ai/a/OUqwxo",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maumpo is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/OUqwxo",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maumpo",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/47b08a7e-df29-4cd3-bdac-6ac9ce62d517/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/OUqwxo",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T15:10:23Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maumpo is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/OUqwxo"
}

What the leaf hashes

{"body":"c3ba4c74b8ab987b8d49ce92348b2a9d1ce61b527c8dc3abd69a7a2a7db9ce6d","id":1770182,"kind":"listing","method":"sync.erc8004/1","observed_us":1793545823728096,"prev":null,"subject":"erc8004:5042:6661","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. 0x21e5571e248404bb1c959e4fb2b20fcbabf6caf5d091628deff31b43ab9eaa2a
2. 0xc202a7fe6241dd9324686f4daa778c18f568ed200da8f73a6f707fe27b91101e
3. 0x74dd9360ffb76a1b5a63bc2a47b6d64509a436ca9f5f37b443f0ea290bf05f24
4. 0x2426894f98e72230a5757c87697c37d5d4302b602b5d737e5ae781b16c2b49e0
5. 0x2ee1d81f33bc8c80aa6075c9a46ef36dfd622d7bc5f13c9933ac61c1e64e4b0d
6. 0xd55ab4b4b4e8891a24d09957136b55ceffc1e75e54b3c7cd2dca4a7c2c3c9be7
7. 0x15b6e48b1609d6af42713d95b1f4291296faf04855c337a51a3c08dbab72c921
8. 0xcd632953987e5b8bcf29ae02a644445c76ba07dff17cfc43a8efca0c13e5a2c5
9. 0x15f2d09ad52761afd8b36b5524b5a00f170a242f349c2414dfee3f4f797d1149
10. 0x0a738da3f49f39f1ed0d89e939e0ac82f68342761d75f39849be2d597ce28680
11. 0xf99b4db0dfbd66a16105c00143cf875ab0172bb5f78d59a41a5aa4488644c5c2
12. 0x3d8872b2c188ab107cca2a55e8d91df7ee5b37cb2a08d882178f84b48f381da2
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