Evidence row 2088909

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/GqaWOs"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8119bb91-b2de-4845-bc98-d5675619641e/.well-known/agent-card.json"
    ]
  ],
  "name": "Niaseon38",
  "owner_address": "0x4206ff06632aa503e187c8e6377d862de8ff3987",
  "raw": {
    "agent_id": "75823",
    "agent_uri": "https://centralcity.ai/a/GqaWOs",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niaseon38 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/GqaWOs",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niaseon38",
      "registrations": [
        {
          "agentId": 75823,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8119bb91-b2de-4845-bc98-d5675619641e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/GqaWOs",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793606258,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T08:02:34Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niaseon38 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/GqaWOs"
}

What the leaf hashes

{"body":"4a784e65bde368c35782e5a5a32bf27f03925efe62418880f9392bbb30440b9a","id":2088909,"kind":"listing","method":"sync.erc8004/1","observed_us":1793606554355337,"prev":null,"subject":"erc8004:5042:75823","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. 0xa18f51c9a3b11e3cd7c7914f5b2f25e0f90eae78643782fbf70722f7da726315
2. 0x64b63a422f226911042bd82cd41824104aafd2b049ad19884f98438c825fac8f
3. 0x6a92378f14994f1c59ed1f1d70ae96db9f8866c09aaad3caf025c2442ba7aafa
4. 0x55d310bae256dc8dce944bb9befc00982d53f0ba1e9fc93cc04d22ecc505712d
5. 0x6f9c1a6c5bf8fc8b505c9f46cf858eaa30276efc4da0c2bf05de4ec60dcf8e68
6. 0x01826176b131f8da85c1b87917af2669efcc1d0ecac01d96d52f0f719abe925e
7. 0x136ed037217458b7f1d13f368b171a2141ac1955d9d46c4d17632c60272cc581
8. 0x48645dad3009ed7c54b79a24de5e813e17a84f3bd1aa0bc9e219ddfebe46cf2d
9. 0xa88e06be93950f8b5b1216a005fb12df30e1d2feb736ba012e2116f06ba0a91e
10. 0xa82a96f568e62be402a9228d12647353722cf91ef46de966a280ce8e05445731
11. 0x6f9acc6b04be50d13cf7c3d84756813a7c409ddc4ad821bee277ee447409e7c0
12. 0x521c6b8b7cc237cb9afeeb07debb739b49c1f394630b79cb24e75cbd2492c4e3
13. 0x0503999a04120486c11b5e359e441fd5221b6b3e14bbdcfd7b1b4e8cbc5077ce
14. 0x44d08992eb52b7db0b3504ba234d634742d61c21889da1eb00242ce07e97334b
15. 0x7abf7290721a0b95be706db03c09de9df65bcba8e18ffe4616da43d9c31d6b0a
16. 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af