Evidence row 2280914

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/uMs398"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8b94c26a-94ea-4623-bb10-ffe18f0bc10b/.well-known/agent-card.json"
    ]
  ],
  "name": "Mastino",
  "owner_address": "0x00319af6e811c677a1aa44907a39cec35400e118",
  "raw": {
    "agent_id": "133495",
    "agent_uri": "https://centralcity.ai/a/uMs398",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Mastino 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/uMs398",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Mastino",
      "registrations": [
        {
          "agentId": 133495,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8b94c26a-94ea-4623-bb10-ffe18f0bc10b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/uMs398",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793654210,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T21:17:10Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Mastino 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/uMs398"
}

What the leaf hashes

{"body":"c5927a746d53fa4ea7d13d1f7e08d8819b5c57dd9e6b36fe21de151f3be29670","id":2280914,"kind":"listing","method":"sync.erc8004/1","observed_us":1793654230930988,"prev":null,"subject":"erc8004:5042:133495","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xf7bc3aa5779843ba0a962f4b1f83b56cb4592a4cd0ab58991c6ee96c736bb753
2. 0x298cff1c1a82e8b7b0b0ffd433d4841bfbfcbc6f71998f008f6888faaa091a17
3. 0x36b3e3b0a12a462411222653361b6fbc856468ecb6c5b72f540eadbc349b35ca
4. 0xa54dc596c9cab1a369188a3f1f224457d8e469904fd1e550986dddc783c738ed
5. 0x3571ed260cb45dcf5f3d2d95876e83e2f3ae27eda95b9a4297e8f93d940bfd23
6. 0x35b1374a36e5d795ed56628f79584f6d9d69389bcc8dc53e1ebfe6f0ff1a716d
7. 0x87471377b9f80f63fdc2735b7acf315ce1842adde585c027a83ab04cddb3be9e
8. 0xe1970056e004c302524a4c9da893b4ba20e17f44214c183b300a4b9cc8c2b27b
9. 0x417a5f53b3ea1ec534eb34a3dacfe971280f9a9dc1399a9c9a3e3c8b7eb8fe69
10. 0xe4c724accb96e775b19f59aea04de926583bbcb28d919ef872a1cad6bdb265f8
11. 0xe1e485a8d27668a5976b2d5832055d1e4425c667e5808932fbd2c3f56f9ddc1f
12. 0x93c9b5204cb75374db0fc8940c7bb2dfc4f17b307130f5a55adb819570fd792c
13. 0x54a66ecba86fe13527453978f73a6a3d80e1817889872b25f2a79c90d4b86982
14. 0x70f4b5a4c6a4de9977aecf5fbe7497e271e9e2f9e5068c7dad5953e8fe898b30
15. 0x4068a4306db47ea0eae5f76e5137753caa3dbb132dca6a61a4d6c1838a52700f
16. 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af