Evidence row 1828845

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": "2026-11-01T20:36:11.037584Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T20:36:11.037584Z",
        "updatedAt": "2026-11-01T20:36:11.037584Z"
      }
    },
    "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": "1.0.0",
      "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":"1d113d367e13ab7e427aa19b5cb83edfbcdfb22268e7f38d29fd9eae2c58c1cd","id":1828845,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793567869362925,"prev":null,"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 2026-11-01 (302406 rows).

1. 0x2ff18ae32b78599bdba175e3da12d24d061462ddf7027f04f4553ea3bfb58f60
2. 0x929c493257df510acd09366d5609cc4b3ad22f2a16cd93cc998998904577faef
3. 0xcd6f227a9c2fb53d270fdb224b30692777635d42eef21211b49efe5e1c923b81
4. 0x4841f2ab53ade67daef367e88522924b22b6f4cd3ff5b308f2c6fc502fb026aa
5. 0x1adbbeb92373e1ef9dce594b4088efbea804fb6ffd883f008062867f34972b88
6. 0x7c9fb8ad510932c87bf458518b5cdc764f14a3183ddb9a5bbd5d763c0a6c4b0b
7. 0x1c96d05be07994430420e35743d463af7f16ae38a4ecfa696c6507c3f2ab85d4
8. 0x9c8593e0cd2bf0417d13f52effe466ae8894e9eceaa0cf62fab5b4d2d3c67eb9
9. 0x5d3fb3455f72ede06945c24d1acb79f4be329bbd7e215f6abbeb853219668ee4
10. 0xe9bc1a64dee9de61d77caf851709086d4792b3fc80e4057e80ea2868eadd7f40
11. 0x5e55b5225643ef5568f95c481fb5878746f2b55911abfb0dac17cd586ce9a59b
12. 0xd926a6f4439f955816eb332eb7f9515d07f60810bf60ef34b3a3d684316d3356
13. 0x0112f1cf16780e57f3e96886bf4fa05aa46598025dc9396eb1cbe8b1dcdffd9f
14. 0x894f627e9eac1731ca26b2b4b6529eb16ab1b15294210edac68c8378063e2d8d
15. 0x80b1e578d986f759ca01ea02c7a922e757a26a65318f9844ac72c5c1d4fe339e
16. 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90