Evidence row 2546912

What was observed

{
  "endpoints": [
    [
      "web",
      "https://usefulapi.io/webinar-net/"
    ],
    [
      "mcp",
      "https://webinar-net.usefulapi.io/mcp"
    ]
  ],
  "name": "webinar.net MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-03T07:15:53.074972Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T07:15:53.074972Z",
        "updatedAt": "2026-11-03T07:15:53.074972Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read webinars, schedules, registrants and attendees; register and update people in webinar.net.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://usefulapi.io/icon.svg"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "256x256"
          ],
          "src": "https://usefulapi.io/icon-256.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://usefulapi.io/icon-512.png"
        }
      ],
      "name": "io.usefulapi/webinar-net",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://webinar-net.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/webinar-net",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "webinar.net MCP by usefulapi",
      "version": "1.1.1",
      "websiteUrl": "https://usefulapi.io/webinar-net/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read webinars, schedules, registrants and attendees; register and update people in webinar.net."
}

What the leaf hashes

{"body":"d41a80446af83bbd4495417f783e6ab2c0590043b84ec6a503de0707bd724a03","id":2546912,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793690351648420,"prev":2130666,"subject":"mcp_registry:io.usefulapi/webinar-net","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xdda13e5df0eed4db6b5c712ff825e5e652af1fc237bde9b97bd32b72898b8263
2. 0x842d3f0f85fa56a668a488190b056c188338be3949798807114b0d3d6c247132
3. 0x3cbac4fede2fdab7d25cd59cf52598df21a8f3fa929d201b2546a1e5910a0478
4. 0x9a4b791bce1d433cfbe446d8f2aa70d7e6c7d885a717284fd69e594f2b9bb803
5. 0x77b50d251adc530df84c687fff45598133c9c0b44d34e65aa35c6f08228c9448
6. 0x545943dfb36d9ff1afeec7a7522c9b8fa16c8b65e6974769ff5f1c49fe43f656
7. 0xd2d6e5fd2c8a51d8d6f5d0d8c4b83b0f7b7149957d228e20e56fb5f1e4ff8699
8. 0x5cb37744304ed827c99b414d774ec17de9b9471238cc868099a26f7f04d42d8d
9. 0x000418e8e417427269f9aa55f621b767b11a6fd72481493baceff69a04d2d712
10. 0x9720a3a95714273623ffe7971625add3eb19fa8279f4b38a78a88ea7469a16ec
11. 0x9cf52896e51759f0cb0df15622d36d543c10649f8a92c38e4ecfd6f5e0e68ad2
12. 0x4ddd25ef21cd5cb7bdfdcf0d2d550f71290c54d3133ba104829ef1cb10fe46b1
13. 0xce6f344e5d2ebbe9a3ab4bb64d1eeeca122b42bf3c2bf88ced9f78e1da0b926b
14. 0x2c1baf03ae8564ef5b628cdba2345355f8a5380a741795df06515892893be4e0
15. 0xa2affd8bf947cfbdf7d8306e1c5d3a442dbd709fab2739124e1aecfdc7d513da
16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7