Evidence row 2726870

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": "2026-11-03T22:30:47.302238Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T22:30:47.302238Z",
        "updatedAt": "2026-11-03T22:30:47.302238Z"
      }
    },
    "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": "1.2.1",
      "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":"1c67800a824eb35b9bf4cb5e765f73ca4adbff8e26397ed85079e16a3ec76fcd","id":2726870,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793747995500711,"prev":2565016,"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 2026-11-03 (425475 rows).

1. 0xce94213a23de86acd81f724dad21be84c43a1b1cb8ac30c6e59b5929d7258d64
2. 0xedc60f60100ee7fe602c3fba5c0217e4c77b1efe4e74932b0d183e46fe28c413
3. 0x9ca544497497265d71b54f4353c73a5794d7bb1ac5451f0a777735bd836c2aca
4. 0x8aea6f4e81f0d90d0f551955b55573b954ce4a02807ba4a57a58334bbf3721db
5. 0xddc69189e719963a79f8fea9356578236c5d569955e1a7c11da3aecf8379b572
6. 0x8b16b9681514b71ecb7b00b65ef82c4863b97c6370e9b09e71abccade20bd588
7. 0xe1aa234b146d01cb5607ce0127d2e9c53724e6e65ce0bde9040e693e5c808cb6
8. 0x72232156538c18e74be76a359955ffc8f7288af639d325140102e2e748fe80c6
9. 0x7d5025e459ed370287e758b2bc8a137b162860c4dddd31ce06ceb04568c9b097
10. 0x7e3e1e649ecadc6cd237f41d49fbb81e2bff70a3310c5d571ff961f5ee4e8181
11. 0x85246f034a7ea025d34e6044810fbe59a5a7ff40b51bc756b4e4f50de27edcf5
12. 0x38b1d48a31ea06c1ae782cd96c2f2488902754df3334f68d6cea73d000a08520
13. 0x3cc986cde06d5c6049d73d3e8c2f67d8c287673474d2ceaad7738ed7a5bb185f
14. 0x06f39b34e961f2ea2e8c7681b9a680b15d48774fc0534e19640f27b7f07640a9
15. 0x20b1beb78a0f066bfa1ffbab05695dfb2940fd2df005cdcab3ae2e82d26c01a9
16. 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7