Evidence row 2171516

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/7zN2hR"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/baa52b61-4d3d-46fd-b728-188a6025b12e/.well-known/agent-card.json"
    ]
  ],
  "name": "Havistor",
  "owner_address": "0xcc682db5ec6ab6407766c4434d8d3eabceb9379c",
  "raw": {
    "agent_id": "110953",
    "agent_uri": "https://centralcity.ai/a/7zN2hR",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Havistor 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/7zN2hR",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Havistor",
      "registrations": [
        {
          "agentId": 110953,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/baa52b61-4d3d-46fd-b728-188a6025b12e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/7zN2hR",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793636321,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T16:24:44Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Havistor 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/7zN2hR"
}

What the leaf hashes

{"body":"82b0ec03e848130f4827167f1ecee24ff52767d6f428b93e35a6b09b9a5a4cf5","id":2171516,"kind":"listing","method":"sync.erc8004/1","observed_us":1793636684680928,"prev":2170942,"subject":"erc8004:5042:110953","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. 0xc39ce8abde9414287557eed9abf2f68f479e71a98a73c7828401c43fe48a0fb9
2. 0x6cc3d201ee12ae129fa73d4388d792b2eaff06e3a49e80c7470cf30b60830b16
3. 0xbf29617524098a35b0226b085373e1ace483c522d15a637e4863d398c976f3c3
4. 0xadc2b59e87a1ec11143dddda0242e2bfb13ac44762e237e85651991bdf67592b
5. 0xa943a5c0141d49eaa121a152d6b9ae1867caf5261bc99eeab9646b6d0ad0ce72
6. 0x6e118fb16c179ea0fea2bf65d6b342978eb17175384423c160170bc26ddc7147
7. 0x40c8bf935b24f2648736c3b2fc47cf87d50983815c49f8422802f9efc2f07da6
8. 0x55f99a4773277de22c58712cefb0a5945cfb69996ffd8319fd14e8ceed9e92b0
9. 0x0bf88b1fb3e038d45803d56f3592e6200d0486d6e842d64535f84c452cd49ffe
10. 0x096da81e752b89ee2a9d78cd70f6a7e99f4daa12010f95822c8a43ef0f8bd774
11. 0x6c721ad6d4bdfbed1536a71cbae39160ab188c4ecc438306357e9d6779174ad2
12. 0xe48e5215fb157d5670abc594c0a51b4c0fb5dc5d14ae1acb3119d3200fb933b5
13. 0x61ee210f299fdcda2ea75817592c9621ccbd35e0e4358cb705a10dd284df07af
14. 0x0b45a0435ea40bcbc48c2b318e8c62aa48a7e6b10e52b4548ada394225a7bd9f
15. 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af