Evidence row 2116820

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/dsqAEV"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/97fd3f7a-78cf-4d6a-a198-71b7eaf99c5e/.well-known/agent-card.json"
    ]
  ],
  "name": "Feirkofjo",
  "owner_address": "0x22c8316199a549d3e16f75b8e9dd812bb2a8f01e",
  "raw": {
    "agent_id": "86895",
    "agent_uri": "https://centralcity.ai/a/dsqAEV",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Feirkofjo 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/dsqAEV",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Feirkofjo",
      "registrations": [
        {
          "agentId": 86895,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/97fd3f7a-78cf-4d6a-a198-71b7eaf99c5e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/dsqAEV",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793617490,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T11:07:04Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Feirkofjo 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/dsqAEV"
}

What the leaf hashes

{"body":"74c7d9b215d9142252e635a01f7d9c29bc1e0a1199ed044faaa35e580df7c978","id":2116820,"kind":"listing","method":"sync.erc8004/1","observed_us":1793617624905413,"prev":null,"subject":"erc8004:5042:86895","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. 0xf72e0d49dbdd6222eefab9486560f9e979468a8b609470f0e2f0ee9d922c1e34
2. 0x66b990643fdb00898b72d6342e2dd8f1e14e3b55faf24dcda5cc88e3e5c30494
3. 0x3e70f8e9dfaa0aa3bc4f7cd26ba2da1c59d0dddbd6e9473473d3e8a7340ff9cf
4. 0x8f612d99a686f4c38d4300ec0cd9265dbb8b395ccdd79cc4b17a346df05dffed
5. 0x875acfe5b9605bd78f142ee3e63efb2d44645955c9ddc3600aa753b83329cb93
6. 0x969501141176c706097ec35e6b846356dd0245a663f59ec629d872e214dee394
7. 0x239d2ce464be501f155f3f483f5685d9b5c388569ca308c96d91d4b941c8a7fa
8. 0xe09d5e106e30053d71837202a6cf7737938aa7aeb41c3eec6f5330f38664cd24
9. 0x10482372de1e955fc7e5594c8698ed35ad1613281cd061965910a60ccb17a8b5
10. 0x8292efdc1cf25f3e6415d78d95957570fdfc21ecc121816e65fcfb2b75a41254
11. 0xe03551390664c866a473b64b9eae116c9a78f6f78142b79842ced3f53920dfd8
12. 0x93c9b5204cb75374db0fc8940c7bb2dfc4f17b307130f5a55adb819570fd792c
13. 0x54a66ecba86fe13527453978f73a6a3d80e1817889872b25f2a79c90d4b86982
14. 0x70f4b5a4c6a4de9977aecf5fbe7497e271e9e2f9e5068c7dad5953e8fe898b30
15. 0x4068a4306db47ea0eae5f76e5137753caa3dbb132dca6a61a4d6c1838a52700f
16. 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af