Evidence row 2296821

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/HLHBsy"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1283a9b0-4e71-4909-bd40-fdc9461207ac/.well-known/agent-card.json"
    ]
  ],
  "name": "Riokon",
  "owner_address": "0x757b20c753d0f504c1ba3fefd9e2ba6c73d7ced3",
  "raw": {
    "agent_id": "140045",
    "agent_uri": "https://centralcity.ai/a/HLHBsy",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Riokon 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/HLHBsy",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Riokon",
      "registrations": [
        {
          "agentId": 140045,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1283a9b0-4e71-4909-bd40-fdc9461207ac/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/HLHBsy",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793660369,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T23:00:03Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Riokon 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/HLHBsy"
}

What the leaf hashes

{"body":"7524576e5833bd9f4618dd0d33aaa61fb554b328b811e7af3cec678085a04981","id":2296821,"kind":"listing","method":"sync.erc8004/1","observed_us":1793660403905531,"prev":null,"subject":"erc8004:5042:140045","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. 0xf80ec15d712d68cace74d2e68ac99af6c164fa5fc37ac44a510465c1f6690d08
2. 0xdd1e0e630f9ee9d66651b8e5624365a715436ce434170c735ec30c9ba79fbc0a
3. 0x01a060dc7207ae469e8257d3028f5c31d32b9936377279b11ebff8cbddc48824
4. 0x78f717870559350e1ade52d120029530b0013c882462fcaebed4c4791b79ed48
5. 0x3833ca407b694e5ca9f4fac2d327418d791b3723905d231669380af046a481cf
6. 0x56a25448bf443894296bee8e9b6a47d38545c2bdedf63a76019cc21b7b2cfe9f
7. 0x02ec5d30744f9ccdd7776c39c3542b0fbf12ba775d45a3c330e35160c29182d6
8. 0xe59c49fcc00bf073ada8528f15b7a91e5787bfe2ecaf0f65a7be07f76d7bd18e
9. 0xbc8765d5a889d27e10b6b55211db886e86d361cf044136f6f643dec9a59eb86c
10. 0x10e78cb9f8bbc9b4fb01946ce0ed55740a6b7ec261d0f234707b03e1fcde5018
11. 0x7ca4ab6b95729415afe4ec2c696057601ff23d9012a337890d0a65b9cfb07419
12. 0x8a00eda7272b242a5d459dd311665f728d7901e563d49972ca46eaa90c1b6180
13. 0x89a7b363610c665a6d371ca58d69c8f4bfe13c5c1cb1ef833fc373cf504e2e58
14. 0x70f4b5a4c6a4de9977aecf5fbe7497e271e9e2f9e5068c7dad5953e8fe898b30
15. 0x4068a4306db47ea0eae5f76e5137753caa3dbb132dca6a61a4d6c1838a52700f
16. 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af