Evidence row 2188325

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Dfzlwq"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b9af7dd5-3e63-475a-bed7-80d87f8da066/.well-known/agent-card.json"
    ]
  ],
  "name": "Hosto",
  "owner_address": "0x4e5869dde94e34cb97cb3d9e833bf6fa9683c8f9",
  "raw": {
    "agent_id": "120270",
    "agent_uri": "https://centralcity.ai/a/Dfzlwq",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hosto 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/Dfzlwq",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hosto",
      "registrations": [
        {
          "agentId": 120270,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b9af7dd5-3e63-475a-bed7-80d87f8da066/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Dfzlwq",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793643179,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:18:31Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hosto 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/Dfzlwq"
}

What the leaf hashes

{"body":"d41d73b574f1d2318e57503324c4485b39223b3b2f9fceea3552cf658d09b824","id":2188325,"kind":"listing","method":"sync.erc8004/1","observed_us":1793643511719841,"prev":2187927,"subject":"erc8004:5042:120270","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. 0x3246c476c93000b50ceb048a3ae1f918259c08ee3c2ef2284aa1b557846b9bf8
2. 0x748c6f1deb372c3f839de31cdd9f0ea5b87baac7307acdfa6663380801f28e31
3. 0x196091f097278e4aae115bb9302aa471366f6e9a363dd1a8d426b5f49481207a
4. 0xf3522031eefbc46da55a62718598945c25495546c31feb9e7d6aad940280688b
5. 0xa502fa9d1d9acf12f4ceab81ad2c26b4b6d0c213a35575db2b226b73349cd325
6. 0xf400d04e7138917162af14c6e0a2c0bdcb50ee1aa0d192dbbb479fa8c5bf040a
7. 0xcfd23ef60dc84e04ed604b04d117004c358a600ca0fec280ab1bb27a45705efa
8. 0xd5e14e6d0ed248324cf12f7ad613cf069cd0ce57748eb92de07e187ff6171718
9. 0x9f1009c3bdaf150a881c9dfcb5d12fcd4593d8a937b7458a010c40a037821a7e
10. 0xa5a832aed320e3f4d46cd5488737f47df3258769e10ea2e108891174995b23a8
11. 0xb9bbfc7bd36ee043f263e7792b3262c80ee899ee4a11f80abdcab48bd5436507
12. 0xf84f1a998fbb6381ea772208ecdde79fbccb4ebf735fd8e7edc2c8cd3acb8c91
13. 0xdcc1d9c1067e77e4536008fca60e4d4987a5b540ec77923110dc668972c55745
14. 0x74cae95d275254a9c747b603bd40b5086c5725fd3e904782e6447e4647e8b049
15. 0x464ce6fe060d0a6c4e810b71501e55084086148f7daf393caa14462b1a777022
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af