Evidence row 3344372

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/S2x4oq"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/67cc0b24-98d4-4ae1-b050-52031a039d03/.well-known/agent-card.json"
    ]
  ],
  "name": "Nubias",
  "owner_address": "0x9a27dbe6aa5f9ad9308f4ff82a6bb745fd460369",
  "raw": {
    "agent_id": "315421",
    "agent_uri": "https://centralcity.ai/a/S2x4oq",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nubias 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/S2x4oq",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nubias",
      "registrations": [
        {
          "agentId": 315421,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/67cc0b24-98d4-4ae1-b050-52031a039d03/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/S2x4oq",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793840407,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T01:02:32Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nubias 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/S2x4oq"
}

What the leaf hashes

{"body":"66799577f32c29918073ebd9db3dd0277c3740801c6a6420a77fbd03c24d0842","id":3344372,"kind":"listing","method":"sync.erc8004/1","observed_us":1793840552132056,"prev":null,"subject":"erc8004:5042:315421","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. 0x20202d8bec5d6af7edb3d9b8ba900643873f4d1a8dec493919f50e87b3847791
2. 0x7104175ff866913dbd4d29fe85a91d76130b07b55246d419e334f8b8a51ca474
3. 0xa9d06ce4f539b7dbaac37fb7ce59508bfdb7bdfafe06153f8fb9de7b3fd19511
4. 0x33e6ed4ebb9923fed4ae33b34ca7af60d228dce129eb62b42e9481f123866c24
5. 0xa86b51c0e89dfd0b260ebb6a576d9251be13d824120fb49c5fb312783beb1d04
6. 0x1ac8c4882c8854e8257615fe428a26a0b9e7070af88bad1181a42d4cf10c0253
7. 0x73e6b5251d614afe7947d9e22512b52edcd5b4df0ac300f1edb63d3c2bacf992
8. 0xf93189db488ef0e3124e35a6efcdb2d7cd77fe9cd544951e3aa346a38af93538
9. 0xfbf3c2a6f2aa683846b742c9b6b978bb5096e2f4bba88a2b36fe61d4f20ffec5
10. 0xce6450c9373f2586b5334e4c4f2fb985787c910790eb565775d8ad03530a1091
11. 0x7a39757a44370494f35173fbddde2d08984cbb06c9dabae2c152c9cb9d67867f
12. 0x1505a032068656c40341f20408269515459fe1bb38bcee00e0bc96236f75936a
13. 0xbd3acddf75475814d59aeac38580c039a4fa767c6e839fcd1e04f6f1a9d6b6b0
14. 0xdd6fa898dc2d1128c5a90a4bab70abf6cb81c974df099096ad3573f2fd245ace
15. 0x7c0ecb381cdd978337dc5ff40a1a1db43aaef42628e17d5c85ef5bf173d90fbe
16. 0x0009f1567d5c3f52d167d3c95d53c71fb66114fc26e83679b452d6db2f1d0b95
17. 0x0cdf39687556f127f9de2f03ec7df8e10e613bf9487760cbe3eaaaa02d8d48b4
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94