Evidence row 3723971

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": "2026-11-06T12:09:57.08443Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T12:09:57.08443Z",
        "updatedAt": "2026-11-06T12:09:57.08443Z"
      }
    },
    "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": "1.2.4",
      "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":"07768186f7c35c2e9ee18732de3987912f4018bf68a3d918eadebe6305deedfb","id":3723971,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793967742619867,"prev":3414688,"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. 0x7e5b0102f95a43134d378cb5e8d37468f4c72a1f20c9100a11a5fff0d81e02b1
2. 0x86e56906fbfcf1cd0d39e7e3c7affebe37d410f33a5af22cf45530abfbf8373c
3. 0x82407526866fab4939619741e252b222de14fe00ba7f73772b47a45e4e11c7a7
4. 0xda94e8e74650f482ff396607015e75df120f11c36d23a96e200fecf3a20ee80d
5. 0x579b6f97be5083fb0f059426617616d3eb5ee8e62994dc5bc603a0df8b7c7700
6. 0xb2631244eaaad9f4c5f422edd9015aa7aa96135e3e8064887ed410ca1b94a145
7. 0x47f49a9f5a159dd7a1340d0c55a5b2d410c730d95d8e41a1d52853fd9ca6300f
8. 0x5f1f363c0b01b8687691a607b50d80bfec9968e6864c90ba781966fec835a695
9. 0xb77783e368b9dbfb4668b4c7b586a3c26f998ca4bee8f60f319e2ba166f3d93f
10. 0xa63f3f86cb931caf9980eed1cfb87641c794cccd07c237dee096b7a14e8cf9e5
11. 0x9f678b63ee8627a3df74018cb9f533bb7f9537038a30f27f7b1da2b5fccc9ba0
12. 0xf5390d5bedfe930e82242f827e9a54aa0dd165c5724803b3a6afc36399716c9e
13. 0x89e86fdab677858fce587b6892b9ffc4fbf139424c0e40d61dae57526f7eb1f9
14. 0x6aa61e674b3c29ca9cbf3bb85eb5c666ed7c7ae477218e53a6b5bd9b7314a653
15. 0x4aa18de7ba70c1384dfa5e9fde2ce72817bb169f51aa0c98d197468e304aabd5
16. 0xa020619e8f130eeb03f3c2beaba0422017bd8b95688ddf44db1c31cf0fd40a6a
17. 0xe98c6c6b56a21a2fc4c1edfe2563812e690a6a4336d11aef772ac1799d1ee7ca
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1