Evidence row 3367997

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/fpx9wO"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/fb34c3ec-21d7-466d-8918-0c471dc7ad47/.well-known/agent-card.json"
    ]
  ],
  "name": "Nauteon",
  "owner_address": "0x3293c2562427b03dd2f9fdd03173c5a6b3cd17f4",
  "raw": {
    "agent_id": "319125",
    "agent_uri": "https://centralcity.ai/a/fpx9wO",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nauteon 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/fpx9wO",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nauteon",
      "registrations": [
        {
          "agentId": 319125,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/fb34c3ec-21d7-466d-8918-0c471dc7ad47/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/fpx9wO",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793863589,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T07:30:48Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nauteon 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/fpx9wO"
}

What the leaf hashes

{"body":"ea8c50afdd129440ef8aaddc56b047a23cbcf3a1f0f97ae125b142db4575ee76","id":3367997,"kind":"listing","method":"sync.erc8004/1","observed_us":1793863848608319,"prev":null,"subject":"erc8004:5042:319125","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0x7ac241968523eb7b9a53a5168a9099c17c0cd594e6f849a334c0021b61c01c0e
2. 0x54300d4da6959ff7b3da5610b45c555da88d5862ff99430bd617977d01e85403
3. 0xb1e8948f8088d1fdcfc54a9e0a3342c0fcfaf2ab45c076b9c1a8c5e602d1cd38
4. 0x3dbc4b04547069a753cc24a305106291f534e71de178e41f42433059e9424797
5. 0x18b7a8aaa71b824cf66ed401535988b29ff3f5339e647eea4151507675f16d66
6. 0x58c2db55b1a919c0cf059febf103a2afb738176ff343d7d1a9ea46704afeb8b5
7. 0xaeee7c8d5eb342805b58aec7e46f2a2d1d6f59e9367311c2d1e5d72efc567347
8. 0xbdb7ec65efbaff4850673a427648aad1689336f021c2fcab7e803029d156e742
9. 0xd6959abc7edf53bdd927e4861afe6dd8c360f0c0c954b8b664365f13dc56dd2e
10. 0x2d916f953dae6ebbf12d9e9a5768e6b25221789182d0ab2776ec3d2e7f96e1b9
11. 0x96e098d3083414fd7180c43a93c2cbc9503089afc26b751cfa7a8ab15e522cef
12. 0x5bc9582de59b2ef40078e69faad9cdccb3d5bf5f8a444354f4638c7bc32ba49c
13. 0x341a6f3fa17c526258f57b49c6ef122c8bdb0b7fba61add27ce3ed82362b8281
14. 0x295b2ff917e72ce7e3d94bc8c6718d80f4989a94f335a61261966c43aec141b1
15. 0x644b3663b447930221e9fe24f9d97eb640daf058f5ce062e43895179e35a3628
16. 0x3b5d12e41df15017099876c1435af6ce1c7a30cfddd96040c3878ac62de1dbc3
17. 0x7e5b4628b4269525ce0744fb873651b9d7be5748de44b7e6b858af09c7e30bd8
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94