Evidence row 3958476

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": "2026-11-07T18:05:23.134244Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T18:05:23.134244Z",
        "updatedAt": "2026-11-07T18:05:23.134244Z"
      }
    },
    "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": "1.3.4",
      "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":"fc1d457637f412f7bf043a6b34084b2803f3b6c97aed3af14f86c687c2aff5b4","id":3958476,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794075912418471,"prev":3945635,"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. 0x6f38ecdcfecf28ecfded4e5426401c37e2dfd962d4dbd2dba8269e97619d4d4e
2. 0x4421d967c5f735c0f777e90d65047d6e34ee5c72f22069953feaef3221b4a40b
3. 0xf0eb43f36db3071a8f4c51b884eb7f40f09c60807513b762d404d7c792094450
4. 0x4f282e61d9b3adb92325670083105a22b5f1dee5258d4b6716a90ba18c5d7b29
5. 0x9464ff61aaab31c793f8314460fb27c57bb390ecd9de35cead46999b6555c6c1
6. 0x5c5f507745ddea31c9b6f23cd1d614d1a196612d30ce1daa99949114d61f9df7
7. 0xbfdf2da84d7c1faa83aceb0942600792b0e12cb6d42eb7d9d9151651e077143b
8. 0x9b1630ccd577ded521ace77db3571529d369f44435be9d2d02a333b3cee93522
9. 0x5f5299e2e99c3baefe965c474771a08afc74102cf6af363864ee5e9d3d35b32e
10. 0x11845dc05ec80641edfba51715e03a148eb601ba6b802ec9c987b3ef97f556f1
11. 0x92260b40dbcc3226d2f07de6f22b399da222b9c7ae7021642647a255c98cf650
12. 0xfa36737101abe14146c268d253e370e1d86682cd81189576035d256a42039c9a
13. 0xe5801f2d98f2783a9d774362088619c8104163c840e21fbf269ac5c455e9df78
14. 0xe10968763bf5f376ed7bef52309abc0adc0394947582477a2899a3f332842d95
15. 0xdda41bf8f8b807884588170276b0203d24918e4a5c47ba7f4d5d0217f85e0cf7
16. 0x9108c80d13a11b7549b554924410a7c5d215a2cd03aee9659ca627cb099f1a2e
17. 0x3b69f6d98c91b21287021db092e52491474f0d08438393ac130d6a3c273bcd4a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa