Evidence row 1770393

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/OuKaOP"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9e73800f-b2e9-4f56-b8b7-bfebfb0230d1/.well-known/agent-card.json"
    ]
  ],
  "name": "Maasis",
  "owner_address": "0x91fc523a1e10ecf6879d27dfe5ed789c7690256d",
  "raw": {
    "agent_id": "6678",
    "agent_uri": "https://centralcity.ai/a/OuKaOP",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maasis 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/OuKaOP",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maasis",
      "registrations": [
        {
          "agentId": 6678,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9e73800f-b2e9-4f56-b8b7-bfebfb0230d1/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/OuKaOP",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793545963,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T15:15:36Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maasis 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/OuKaOP"
}

What the leaf hashes

{"body":"3f92c0a95b31347a5af12ff71e16add558f29dfa18db6e2b70da22e8558afc01","id":1770393,"kind":"listing","method":"sync.erc8004/1","observed_us":1793546136207868,"prev":null,"subject":"erc8004:5042:6678","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. 0x2354867a6e42e6b424f0cadbf8cba65a2d7ff18ebf6d9420a3958a9b8e7dee57
2. 0x019210c1e4c63e2554b8fc4b891a36a8a64ce4ebb37ceb67db623823b0ab4f2c
3. 0x917ebe7e7849d1f7f76e8a58e3198b62da9e67ba6e505b469ef3e68a06389c10
4. 0x4e53f3feb736b541eba009179e4baecc4caf4a83ca38215490a38d09d39c73ad
5. 0xb7eb80d87cb12b7439bd6713f5e9bd0541fb4310b718adfcd6be38891e4f1d96
6. 0x24f44ce01eda46cd45c09efe1bedce4650525c1ccd66aed6672d3aea468d5aad
7. 0x0cb7c4e7ec8eb0963f9a9488217f87250dd8b550d78fd809a0fd30274619fd94
8. 0x1b1cc85e487b2077eb01ea7e241cc0c302f972766a8a946ba9a6eadc1999404a
9. 0x132165f3381b5a1207e341bcd97ae2b9f160e23be039ba7919700c8194cf3547
10. 0x59bb3842651118f7b6725fa9dfa823b4d09c0ae105c3034b51f0a2a504e01acd
11. 0xdc34bc947fc754ff993c05af1dc79146c6b33644b67271b652ed13d8ba50f0b3
12. 0xdfb60f69cac19b1ac7881e138fd331a8a5a530dc13ed1095b70c261d628f44d4
13. 0x9dd502d4ff98d6d9a3253ed5276781da0bbca65c29f44992970b6dcb262524b7
14. 0x3a1fd02b7b783283e5af93120711d3c5437e55d0f3e68e16f18cfe19e54cafd1
15. 0xb9d6fdc8e6fb3f4feffa2c18849d74fc34d8708b574a778ae149241a90aaf20b
16. 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90