Evidence row 3765379

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": "2026-11-06T19:36:37.496594Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T19:36:37.496594Z",
        "updatedAt": "2026-11-06T19:36:37.496594Z"
      }
    },
    "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": "1.3.1",
      "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":"cd5d97150fb1af7250c3ef5c21e3cb2ad73e8a58c4b3fef0e6cdaf0332a03a31","id":3765379,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793996607199552,"prev":3723971,"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. 0x61883ccc2c9c216e676af4eb1afe924e71754b82862d340e8f465d533c39cac2
2. 0x44958a888f80cdf7e2b9e60ad039f6ebde42bd879178c3843b53cd945c7df052
3. 0xf384e834729fa95b749e4469a65f1a5880ea293575f6bb2d4ccdd5e75797e167
4. 0x0e084469dda5354a3af3963c4d56c9ea6104b98ad58014351f55bbdb82ed5225
5. 0xae304110b2260e1cd6e2a17ea2c219a90827e63e6772a7004ab6ca51a59317aa
6. 0xf82956a6a7e36dd398034978b9fdefeb38279ece708446b4e8f0e7abe22605a7
7. 0xf09f2c90f7fd45754afa41ae3ebaf4789eed226d748cd276bd13c1619e15cdcc
8. 0x9fdc19176108371bb878b9a3b3bfbfcdcb86bd0f925896931187fcbc32891aa3
9. 0xe73246c1c742f59f746f5221160ce8da64339bddcec1aa4cd4191841f521df3b
10. 0xdf0b3065c85d2dfd00f907a002fab228018e5222d4c4f4dd3e587bdd543a1cc7
11. 0x907cb7803434304dd06c9ee47a415509901aff763967ce31ea5a29192f04e5e7
12. 0x72b1e30a34f80fe10655a608a4bb86de7d99e2913998ace2b11be8b6c2790901
13. 0xa05429b0e4df48c30f49ace963446c878eac43d6b983b915a31be4c33ab3dcf8
14. 0xb127712f60d35ebf9394e769405258ca2f7a8338151d93fb5ef9288554fbff59
15. 0xf2bc30db87e2aa2afe08f16c1943f967ac74b2e32364ad0b7cb45d2ffee7e447
16. 0x7a2e5c8104eb5015bfa08d52a9278aa0b4da48bd2fb98690cc2d1c225b5dc691
17. 0x4a618d78b1cebba8beec4ef22aaac9187dcdfb39064e0be537ca2600abb90740
18. 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1