Evidence row 2117583

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/6QysGm"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f5a45a48-de65-4527-a308-2510c15563a9/.well-known/agent-card.json"
    ]
  ],
  "name": "Feikan",
  "owner_address": "0x3e36b554f16164d8bb4299191d6c33e3b3fd2647",
  "raw": {
    "agent_id": "87216",
    "agent_uri": "https://centralcity.ai/a/6QysGm",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Feikan 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/6QysGm",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Feikan",
      "registrations": [
        {
          "agentId": 87216,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f5a45a48-de65-4527-a308-2510c15563a9/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/6QysGm",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793617743,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T11:13:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Feikan 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/6QysGm"
}

What the leaf hashes

{"body":"758faf2a42119ba7f1605444574aa44341eeb6ff0b90b5533f71b9fe9d7e1665","id":2117583,"kind":"listing","method":"sync.erc8004/1","observed_us":1793617991371599,"prev":null,"subject":"erc8004:5042:87216","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. 0xc93ef07ca2ee5135549176ba9ee946e2ba0eeac83fa7432428f2b8b6a62beb79
2. 0xfb8d49734046f5a1c51e2e77030bb2d016773d92278dfe5fb87d5568a7307e07
3. 0xc28363902d27466df7c21ca593fbdb01ef8cbe1c6085632889a354eb8be3fed7
4. 0xe769893274cae072381b43d0c2b0d522aea162d51ac6740a5ff5110c912b0e32
5. 0x7e8023d379eb5b646e9dc9dbc650f26d96961be66a8ff63560fd2a404834ce66
6. 0x4a1d1c3eefaed4836feed712e9c50a158f0693edba61fe522d8889c0de676f86
7. 0x1326317a216cdf3fddb47ed3840346eb09b6818bfd386d1c9f3fa4f1d8d070af
8. 0xb1b8c038fa971e7de01bf4137646f44e59046e15e2cc89797c8e1a7ed9d0b6ef
9. 0x84ba4dac2415f78636a906438911c0b57c72a676858c30fb134a9ee260dbe4a9
10. 0x3a7f738c661f19ad0ae5791d49a5dbcaae343ad1a31d2e678c96fdf40aae6ac6
11. 0x48bd4b0fe6769b0686612012dee2d1a9cde4103d97e6fa7054ce251f18ab47ba
12. 0x5960e83ed1a839b0c9a6ca8cd51fcd088a6b59d306e456831c1bae56f718642c
13. 0x0c0f15fae9c65ebf110db9a83b92aa128ce387de0137888a7863d81f3567dc04
14. 0xdfd116d725e076b0e3bd74ff5682dfe6834735313673c580d2e58972567174a0
15. 0x5b456020389d8e0ef67f16a492c600b5b88189e59398bba308734db7e873e7e4
16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af