Evidence row 2196643

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/bab9dc"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/258b6b53-47ce-4225-8203-cc6267db0a10/.well-known/agent-card.json"
    ]
  ],
  "name": "Hufero",
  "owner_address": "0xa10ab159f1b808e2b04e4b2d6496871a5ba363cd",
  "raw": {
    "agent_id": "124307",
    "agent_uri": "https://centralcity.ai/a/bab9dc",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hufero 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/bab9dc",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hufero",
      "registrations": [
        {
          "agentId": 124307,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/258b6b53-47ce-4225-8203-cc6267db0a10/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/bab9dc",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793645885,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T19:01:24Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hufero 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/bab9dc"
}

What the leaf hashes

{"body":"08c8109149b855afef8542c8fe423c0a78dd647dfc5e38e03974edc2a7767f8e","id":2196643,"kind":"listing","method":"sync.erc8004/1","observed_us":1793646084637742,"prev":null,"subject":"erc8004:5042:124307","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. 0xf88bf4bb43f3e1c69d09301b5e6e1db2109d300890f177b76eb57d26d25662aa
2. 0x01ade26a219f3dd33bed515fa9a31d33e7b7270f3cccf69d2c69c2641a745b2c
3. 0xeb64533fa10bf8838d1e3c792be22ac5c9064991408324ba691540b3e222877b
4. 0xf4a11b2a636e74de136b8db9987ba92f69dea7921a274d1cfb7d016f52db1f00
5. 0x3d7daf33757f4174570250958cb3b15c3a43033e7e38d12f7793e9ef518dddff
6. 0x3acd3b4bd78aa5c741a209a67fd03484dae9af91e81e59f027a340f41ccf39ce
7. 0x54ca466f529bad587ad6eae822f9ba63f87f956d15ce77703408fd5cf1ad2a2a
8. 0x119e29a0ef8b865b3f5cd9ba5765866bca5abb3c456a75b3b76554e008528b75
9. 0xee42d6879ada05fcca5547ff964c5dd7c0427c15c4874cb5380cefa7f55da73e
10. 0xfce3416bffef0f471f607fc7a336c72330e526ae4aefd8d0f167055346b7b830
11. 0x9cecd067699289d760f09c24dba05daf3af10f0a6cb66148495c244a2c70a83d
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