Evidence row 3775653

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": "2026-11-06T20:27:44.384835Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T20:27:44.384835Z",
        "updatedAt": "2026-11-06T20:27:44.384835Z"
      }
    },
    "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": "1.3.2",
      "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":"642bc2d1e6dc17df5c0b8fe2d17f9a448b68e0463f24b70cc71bdef7b9b224d7","id":3775653,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794000220336853,"prev":3765379,"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 2026-11-06 (303443 rows).

1. 0xa7a1ff853a514225a69c5f6b7ef9a0766fa318dec5d01ad22fd25ef8a46ba844
2. 0xb35a00dd7d38676a1056daf87d08052c465bff9834abbde4c2011f2f81ae4d1c
3. 0xa39b20d8ed63f3ae305d3276bb730a40d056c9c06341897b7a4a211b1e1c4a15
4. 0x385ee1fb328d8bfc619c943222ba5ca932fa93d2c70b65a387ba41c350c191b5
5. 0xd25cec8ba216e48edeb1adf04cadf5f7f3b73a1dac94d2571b16b461fc9e3927
6. 0x2cd3b7de066b55d2712cba9d848b424aaeb5683a4aa12a89255db725b8edccbc
7. 0x60f1b67f7c3717ad1a5b38728265a19271fb3d04f53f3147e54b2c2865681777
8. 0x8ee12248669bd563082c424f1722d228c8610dde81d77300d192c6b6086205de
9. 0xe50e454e05dea8ac3f089e027d13a0c73028538e7745f56e49d5f7902f255d0b
10. 0x5ece6db00c5627bc1e7e968bf3cf979f80be66bcf88ecdde6db9ef654977597f
11. 0x580e3bbc4bb6c4f429e9c0badf12f7cede0d8ac3f7c08fcd40bf1feb99e9f301
12. 0xe7ecb96ab295a12100ffefef4fd91a5a605c776cb033477ee9019b943e863cb7
13. 0xb02c1cb653a7746407d955b2e76a432691b775223105f0f2bf6cdd963c56a912
14. 0xb8cdc3434f126e876ea2c3ff38768a8afbd1988aaba81d57ab2a78f3dfcd545b
15. 0xb12c082ef1a62be55def66eb167199a0d5bfcaf36f2f6e389298bc918cf1b0bc
16. 0x4a5b4dca6c638b7872bc6485359586bebc62511ba2776f1ea54dfdaa4d1a511b
17. 0xf19d501fdbc28e10c3244253daf0c37c4752659eae14a7cba585a18c7df9ce0d
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1