Evidence row 2270547

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ONj2oN"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5603e6bf-2ef9-44fc-b843-b1fac2fd9c6c/.well-known/agent-card.json"
    ]
  ],
  "name": "Nausson",
  "owner_address": "0x9c39853d2c849c69b861ffb4f07510753adc8b6e",
  "raw": {
    "agent_id": "129154",
    "agent_uri": "https://centralcity.ai/a/ONj2oN",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nausson 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/ONj2oN",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nausson",
      "registrations": [
        {
          "agentId": 129154,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5603e6bf-2ef9-44fc-b843-b1fac2fd9c6c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ONj2oN",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793649591,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T20:02:06Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nausson 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/ONj2oN"
}

What the leaf hashes

{"body":"40d33c6af665d3062e12b1fb7a5ceacae4664bd5477b9fbf9e25c2783353f8ca","id":2270547,"kind":"listing","method":"sync.erc8004/1","observed_us":1793649726368012,"prev":null,"subject":"erc8004:5042:129154","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. 0xffc45692559fb96100ffe9af6028d36a7278e3a2b045efc4c847159e76c8e539
2. 0x76170f36e20ca28105bf89438012a946451030db0fcb96c8b6af4ffe3ebb3723
3. 0x7186090a5ef2a20cdec0655c75b526a4ae5fb314aaa6dafd3bb765582100d790
4. 0xdbadf43f052936d215dc7b86e36dfd068cbe2f21e1d23325e7a43624aeaba0b0
5. 0x5b2724eccf091f097b3c304ca73f84bfbcc7f5e691b3b4670712fdb8dfc90af1
6. 0xe72a5f984f5b8aff79cc45fad21707d6f77524414e51ea3fe7b3fe70ed331c60
7. 0x1422a05721d1d785b27cce489f43058b485202f05b5691b1d84b366df81c0107
8. 0x8cd8b66c0d6eb6eec58bd6d4dfc316e388a0adbeb46dafc3e7f519b489f2d5af
9. 0xcd3a95f3afb23009e17ff5305f2d2537572b86f136fe6440032c6a55db289584
10. 0x3e426b116ee551043c7fa8011592fb48208455066b4051086dab03b7214b3987
11. 0xf12f94b228ed72115bd658551ffcd676f11fbfe7bf397799563416a57be91255
12. 0x45415c76d2ab204a9729a2a944991420a243f07964146403ea6d43181ac1ca44
13. 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
14. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
15. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af