Evidence row 3945635

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": "2026-11-07T09:18:25.67237Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T09:18:25.67237Z",
        "updatedAt": "2026-11-07T09:18:25.67237Z"
      }
    },
    "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": "1.3.3",
      "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":"a1a9d82109b5340b4366ab3b1f87336c11985a38e6256830b7f53ba23a1e35a1","id":3945635,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794043459603807,"prev":3775653,"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 2026-11-07 (195826 rows).

1. 0xe118fa8efaefd654a56ce87894512cfdfc4ebce67a3e5af895c02120310266f7
2. 0xa97347e7a5b7b1e3fe6c4aece6cd9de643bbc9de94e3bd2027393caf98f6ccc0
3. 0xd635d99978560152d0ac78decfc45a3082f5fda34e1ed5972e4d8710e0c00225
4. 0x14eea1a1d2d812971c6dd12a2ec7b28f856754dcc8c3e6406500a71d249af765
5. 0x9fffcbd618ad4ade218bf3ac7948eb3d4a2746d2cb2e445efe22bc5a508ad8f3
6. 0xc33399986d0f918719f5eed154ba2e6bbec63a21d1befb1a5f922f41521b02d4
7. 0x9f495aa726950a2c5e8ff913571f8d39b2ee4a5eb58dbc1a12af0a7a42d48f1a
8. 0xe8a1fad595327b924c1cd503afe6817b200b902f8870650c2beb5fc2e277be73
9. 0x08e2011f3847bb29bb3ac3065b3afaeda0ad61156dfd391298ae58f09d9966f1
10. 0x781a8ebc5690c469e4f34ef35d9631272b9a97a399a4ad82bea542b285917e37
11. 0x3e3c440ad44c817f8a5e5c0a92d1bc9a91b4db68c30693869ed8223e04a2d39f
12. 0xfb8f51b15b2f9745239eeb02804a4971def25eb525b50bd0513190ef9a45f945
13. 0x43264bd26116ef8e6f9fb17235da20d71d20e9b50e11d5352edde08d4a1d0f55
14. 0x6f49c61b0121647381a6cf39821f3b65b9e708380eb6ac63924f415c4db07607
15. 0xe840e410ee5ca60b9428cf31ac97ed84879fffbdab20af854208e002351d4fae
16. 0xbb3be27e5da5ccad91ce4674c6eac53275c0832f3885b89533d2be65d38f2fc6
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa