Evidence row 2130666

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": "2026-11-02T11:23:51.349577Z",
        "status": "active",
        "statusChangedAt": "2026-11-02T11:23:51.349577Z",
        "updatedAt": "2026-11-02T11:23:51.349577Z"
      }
    },
    "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": "1.1.0",
      "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":"26c0a9adf20e2ebb8198d4ead178c648477b05b7758173cace878e6f7d58db53","id":2130666,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793621912797953,"prev":1828845,"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 2026-11-02 (444186 rows).

1. 0xf59a1c2b52a47c1e7c67effc6870de89b7ab01e68b7598607a40eb2fee6050de
2. 0xf6b2e3e56dc54573a754039ebcf8b4d68582a576fdcd1f3024ee0fa8f1634479
3. 0xb60eddd631a76c47c823a5c133c6ef530fd4985f72a1b3fc33092fbc018cc94a
4. 0x8e2c9968d8702fd8be4b8d0e7e6d7e92c906d7f024302dde39964143c99aeb27
5. 0x534bda3dcc50ec57ac9fe640cc18386377c2182871fdc1f86a8ab36148ed75e3
6. 0x62fa3c21edaa82a202a695d0de43562e955ede71e6bd311853430a4c53bb5b82
7. 0xb447361a57ace5729a5382b5d5b14195f2418b4c90ebb111309d50423f427601
8. 0x486421c342c16a375233c1dbbd7af589e07b40a397e1ad62b9fc7b2ee1510b86
9. 0xe8950902adefaa6f9aaee0eb07e7c7e997636a7e33f5322c10b8835c48907697
10. 0xe9f55a1c526ca437aba9070d317820145b9ffb519d8e58da32146c292244a27c
11. 0xf88ffab9e660a2924ea3deb734ff7cbd058ff96c1f240523e0e20994eee49632
12. 0x357b8b944aeb5a828c72699fe2ac56982a5ebd57521270f90ff495bcf87b9654
13. 0x54a66ecba86fe13527453978f73a6a3d80e1817889872b25f2a79c90d4b86982
14. 0x70f4b5a4c6a4de9977aecf5fbe7497e271e9e2f9e5068c7dad5953e8fe898b30
15. 0x4068a4306db47ea0eae5f76e5137753caa3dbb132dca6a61a4d6c1838a52700f
16. 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af