Evidence row 2176808

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/1QwoHM"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/999c02a1-9e14-47d9-88ca-51a1895eb26a/.well-known/agent-card.json"
    ]
  ],
  "name": "Hallano",
  "owner_address": "0xfd0c7fb6e13c98e6c43d637183c598d3315ae7dc",
  "raw": {
    "agent_id": "114072",
    "agent_uri": "https://centralcity.ai/a/1QwoHM",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hallano 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/1QwoHM",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hallano",
      "registrations": [
        {
          "agentId": 114072,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/999c02a1-9e14-47d9-88ca-51a1895eb26a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/1QwoHM",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793638520,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T16:59:58Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hallano 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/1QwoHM"
}

What the leaf hashes

{"body":"656018f8995d0ce46c8034b0479aa9dd49a25369ea32aaced93f4dcf5f705d82","id":2176808,"kind":"listing","method":"sync.erc8004/1","observed_us":1793638798073504,"prev":2176464,"subject":"erc8004:5042:114072","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. 0x382e8cee6d54c2c271b366278dd9a4d7d694b004b51e9f0d6366daec6be1ee3a
2. 0x8c7a63c5a3155ae27e25eacd663a84539456a7384388a8398c40c08ceb1987f7
3. 0x15551abee817dab7a0162dd2e8411e0fbaff73cd0934c182b17f2011e7569a39
4. 0x85ce9615ced253f5095fa2b4be64c68475129a23c08c5e80683d817a6e4d2d60
5. 0xb7cccb17580aa70c403b8f6e8f8dd25f827b55ae690186dbc734d52e05ef2b74
6. 0xf65ba08b852f99dc1bd11bf970c7101c83e37fafe19c9b82cdfa23e5343ff947
7. 0xdfb7b32933bef2d92e201caa19d63d7dd86b6846da52c23e2cc39e433d0440cd
8. 0xe1b984b556bee4a894932c979ce5be56927711da3c09bd192550b3b9e6b11329
9. 0xbe9472c2928cf5108f0fff1e6d3f61d6d17c43fb54ee1078f92a3f0b096fb69e
10. 0x5c2dbb0246e38b76a8a71b69c620c01b062203e298367be469f56610cb2a77ca
11. 0x9d12d652d78e0fd7c35f4926078c2643d24efffaabb4413e240035a200894add
12. 0x4447e402cea61275117ac4e9975eae04626bad327ccc4f13f5d1b453b487c0d6
13. 0xa0e5887b42201f4bffeb4ff69bd41372cabcdfc84eaf669d71bc4550864cf581
14. 0xeda95b8bf6c7d0b27dc5b32d6a6006255f41e0f6bbe80842a49daa792f4de811
15. 0x464ce6fe060d0a6c4e810b71501e55084086148f7daf393caa14462b1a777022
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af