Evidence row 50911

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-america-buenos-aires/mcp"
    ]
  ],
  "name": "America/Buenos_Aires clock",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-09T10:21:19.348231Z",
        "status": "active",
        "statusChangedAt": "2026-09-09T10:21:19.348231Z",
        "updatedAt": "2026-09-09T10:21:19.348231Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Current local time in America/Buenos_Aires.",
      "name": "io.github.sadri-dridi/tz-america-buenos-aires",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-america-buenos-aires/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/sadri-dridi/named-mcp-utilities"
      },
      "title": "America/Buenos_Aires clock",
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Current local time in America/Buenos_Aires."
}

What the leaf hashes

{"body":"2be7ee43799f8873ca2f1d634bc6dc82a060512729cfbbb4afee29a62985bf42","id":50911,"kind":"listing","method":"baseline/1","observed_us":1793025416572191,"prev":null,"subject":"mcp_registry:io.github.sadri-dridi/tz-america-buenos-aires","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xa650174bc95ac41277428484fb78dceb45d4c75907698f2d80e44baf207ef4b6
2. 0xd475a27b2f1b8dd9363f6dcbcbdce0e8803025488d36e4b1ed9c1df0dfd57800
3. 0x4d84e56fb95a1fd8e7175feef3fe4408e63803a230a0c1b6f9c73fee23994370
4. 0x862a74c716b881101caa2674e1092de3b8cffc436b3ffbbf72cb70d83597afa9
5. 0x12de83256340bdafcce17cb090ca93bd9baa03689a33158a39d5e7d71dbde083
6. 0x986a4c6ec9d4e97fb033cd3c03aba61351c159754653f7533671e2e94c673bf4
7. 0xc724aa4c163082529b69445eec2ab95354f354c967e84fdc217e8e6cf212fd08
8. 0x5b7e9c7537a60d387a7f36993aff903437d6e867580c636b2e8ca07e3d3c8beb
9. 0x0f68c851b1cb79a5105a4fde13fb9158fc8cb576548b1b5c433d2f541ef01b9f
10. 0x93c7b1ac8754236471980488e2ae86b7135fed175d7852bf9b8ef708900f060d
11. 0xf9b4ada16aca6f9b63c09b94519008e1b94357a9d352c245023758b56b82d0b1
12. 0x1e464fcb484a1e782f9fe44be5118a9de934eb533c96ba10fc7d20e3a3e4711c
13. 0x292ebdce6b8d3d7ef08ad646a0fd97dee9313ab55c1a350807d9f3013794c37a
14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae