Evidence row 1850271

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/8ftV8L"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/75a5cb4e-c3ef-4474-bd39-9604f7e7792b/.well-known/agent-card.json"
    ]
  ],
  "name": "Simus",
  "owner_address": "0xb50d79172b4ba97a1b282bab38ffe88ec667d6c6",
  "raw": {
    "agent_id": "40877",
    "agent_uri": "https://centralcity.ai/a/8ftV8L",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Simus 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/8ftV8L",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Simus",
      "registrations": [
        {
          "agentId": 40877,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/75a5cb4e-c3ef-4474-bd39-9604f7e7792b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/8ftV8L",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793577936,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T00:06:35Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Simus 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/8ftV8L"
}

What the leaf hashes

{"body":"b852818ffbb72ee166f4cb31f0a27216bfb8aa02dd0ca612b5ac925c6d115833","id":1850271,"kind":"listing","method":"sync.erc8004/1","observed_us":1793577995068465,"prev":null,"subject":"erc8004:5042:40877","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. 0x6b531accea41dfd32fbd522b0d0cf699120cd62be7e458ef5b170832c78c95fd
2. 0x3d230952bcb0910f9f3a86c85ae3806a8c5e893ac039d29929e0d210965a752a
3. 0x2283d62f9d4846981c7b1798c1aa1ccd15b449324804c926e2a94ca80d359546
4. 0x5204679c8763ba0855fa387fdce1dbbb256e082c2f5945449fae846e94a59485
5. 0xf7fcff5bc649fec081da1c76659372eb44da7e0754efb2444db1a9193eebfd62
6. 0x6c3ff904a334a293cdd92c5f647cf2305cd7436ba488cbcb0b79e45669dbf9ab
7. 0x0907a165a8b9cd710e33e4a53c420921138e3028b80670fee9b2e89d5d1fa5d9
8. 0xc6323656ea31f4099eac0e61a680b6a17cfd7a2d31bd99a403b1fcb1ba8d0234
9. 0x35cece818d16254cab986c910a209414181f11c1a6f6f23380b6c71f06eae15a
10. 0xf900446f59033e1f1eb01c88f1af22af60227a9cbc8e74106604eb08cf726905
11. 0x59ed6181c6d21d79e5ec3723115021e04af859256880f3ae566406f3464592f6
12. 0xf0699dc3af903ce279fe702ae5cea714fed874298365bd17acc077a30e99efea
13. 0x2fd2d9cf947c79681f19cce7449a6b4b73c256ceadacecd526a729734fb1339d
14. 0x197bc18a6b8126dd9b52133f001dca55646ad9292aafa98222498ec1746809a4
15. 0x2cdc73dde4ed839d7482b6b91833e64bef56c7626db8439f3bbdfcffd2ae32a3
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af