Evidence row 2565016

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": "2026-11-03T09:55:25.297455Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T09:55:25.297455Z",
        "updatedAt": "2026-11-03T09:55:25.297455Z"
      }
    },
    "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": "1.2.0",
      "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":"64409d9b7b97b240502558fa7a0bc5b49633890e5445d17c37919e31687ed2bf","id":2565016,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793701164437216,"prev":2546912,"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. 0x03e72e5956333728a33df1179878f51c6ec4385fc797cb6fcfffda3ed8b30455
2. 0x654f6feee3b83cfc089e6d6bb2235df0b65d2d05c441a55c57cc89d1ffc358cb
3. 0xa27ae2c854ff11fdf678d76c316faec17b432f4c105e94b59334d42fb840a03c
4. 0x4bb818b5b0195bb16b1566b9630e4007f7586e8b0b398892d573e3a43ea6e435
5. 0xa36c997917021872abde78f8a08e12654c83f9bc23404438f042be1a2b1d67ac
6. 0x52a603d7902288da0ebb59131f50b5bff24c8b83939e1f2306e37dfd392d1d10
7. 0x08df119937a64af454b9a1fb8ac11562a336a98aa9009d9999c02bc1e670702a
8. 0xd731d1ba0c260cee1ba4c332469691158f438641e5ef4952d1fc330013f1cb93
9. 0xce2f41ae713da29ce9fdc83ff380f0856bf9f778ec6b0dd6193311183fc53ce6
10. 0xd6e17803183698d7e8c8b802c37701fea19504c227fd825a75f8e3676e8d3b1b
11. 0xccca044078dc7c4f4adbae9e9e7782eeb2221d79f50d39857fd9b98575b8c6d8
12. 0xaa16274fb697ff284124b3e00ee202a476442f891c7e4c41eb280f2400242f67
13. 0xaec437d1d1c6ff6e0f177901126ae489eb66919a42d50ffe51bf6fdce48420d9
14. 0x38d3e4f5af0a7695cec711b235344c4c2a36bac0d573eb1675af35d5916bbc2e
15. 0x4c65946e46ac859ee8bcd510bd1ff838776ef9d9a553f743da25e2fd4c4ec5c8
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7