Evidence row 3945400

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://progenda.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/progenda/"
    ]
  ],
  "name": "Progenda MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T09:18:12.262046Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T09:18:12.262046Z",
        "updatedAt": "2026-11-07T09:18:12.262046Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read patients, calendars, appointments and open slots; book and move appointments in Progenda.",
      "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/progenda",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://progenda.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/progenda",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Progenda MCP by usefulapi",
      "version": "1.3.3",
      "websiteUrl": "https://usefulapi.io/progenda/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read patients, calendars, appointments and open slots; book and move appointments in Progenda."
}

What the leaf hashes

{"body":"86bcc3e4080885a1d031abcd4eedb12de2db9ba823d8ca135b958b960ce8f678","id":3945400,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794043457785102,"prev":3775420,"subject":"mcp_registry:io.usefulapi/progenda","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. 0xc4b6bd7dd605ca8981f95b95615f0f28aa9441d4e0de6c50aacc60cbe4d028e9
2. 0x975a1642f43c6ca5a31e3ffa4123ac8b0c90798a219538b6cd43f55c2f942565
3. 0xece7c7e0a6fbae46e33fb097eb01622611a6ed2e84e3023f6236b5b51e74f1b9
4. 0x71acd0086445b641ea17bea0e7fc5589656deae1e90868b2731e98e1e44a4034
5. 0x3b7c37871b9a2a8e6b95e66302cc4ee2cf0431779ba2a21ef7d4512a21cd7e07
6. 0x36046e5c38172edd99593f361de9b6254c3c886e524edef2c4da1b2a809e93d9
7. 0x15253408bac39e7219e6248592e5999e20fcde54a77503c5cca1a48554891d14
8. 0x6c953fa024ed84eced77bdf373eb3a6121e916727174a46aa869483b44e46017
9. 0x87394c0cf72f16422711e705189608bcdd7ad9b15398f4324a1b38c76db30c42
10. 0xc7107d212020493c35c7b5c3349db78bba092357b5120605dc19d157b9761d35
11. 0x32ffdc88f0eeae8c01180b27ef275dc9bd158a3b4c5f487b2186edd038fcda3c
12. 0x239a49fd7d963660c7ed2353ff4c1b2b51f57bf623fcb666119b215c653a077f
13. 0x6da57bac13a3d747bd5ab6e3bc301f77a33423bf49d8a86a45250fad500ff0ff
14. 0x377e506e7caa62a458c54a51036fb3c308f8113f5f6e53d577ff2a07c84142c4
15. 0x8d59bf422a3db88dd24fca3b92cb99d28bd5632a71eaf94e51b925600c735b27
16. 0x3235c8a33ac14441f1a12a6515f670286d48b48fa98eb1dce45d902e053abe01
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa