Evidence row 3958240

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://practice-better.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/practice-better/"
    ]
  ],
  "name": "Practice Better MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T18:03:40.806311Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T18:03:40.806311Z",
        "updatedAt": "2026-11-07T18:03:40.806311Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read Practice Better clients, sessions, availability, services, packages, invoices and forms.",
      "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/practice-better",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://practice-better.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/practice-better",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Practice Better MCP by usefulapi",
      "version": "1.23.4",
      "websiteUrl": "https://usefulapi.io/practice-better/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read Practice Better clients, sessions, availability, services, packages, invoices and forms."
}

What the leaf hashes

{"body":"8c050a46a792c10981736ddb826012ff1968176135209247fb38f42a59516fde","id":3958240,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794075902003695,"prev":3945392,"subject":"mcp_registry:io.usefulapi/practice-better","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. 0x0d5b489edc7a7b2441c12696898fbdbcc98121fd1742c4f74c38ed7a80403f94
2. 0xb68368d20435bec913da0fbd62c65bdbbfd95540ed799279593f9a18a934cc89
3. 0x6beedd16c1c3b6aa50297ab9747af7479035a2341b881f17b665bcb9efd5b06e
4. 0x644b71c48a1bfe130ad531e1c9a5fa7df33b597988b855041f925e691ee0bb03
5. 0xaa42f60e575052f9d0483b6cc45f49d7737147e815cec2881ad68f7adfebbae1
6. 0x371865e80c74849966c40862580654a2d3a619a34950c7f314624319b7d77114
7. 0x81e40fd0b42a98ccfa3f94f04a2ed31725bf0275522bf6fcbf23749ab735382d
8. 0x9d709c19d9e072e242915e5738209ca667a97fb7bd41458e355e63b464ffb1d3
9. 0x7c8a9df45b9f466e78ceb4f9343f4b40d8b50667710090c3b577c369a51edeba
10. 0x63bf9eb1c348bbbc3925df7e8ab7463dd3de86664b62a245dead082b6f32c4cb
11. 0xb20672d06d8bcb34b0e544dabef7ea04bcc1bd847f8b38bb13c6bbf9a609db6f
12. 0xddd95dcdd546f67880af162aa3f0a4ce440b454faa624b535f2f4205aff6835e
13. 0x837e561292e656fc83a7677ed6030f433727eb9ac2b26f99fcc9243d0adee4c5
14. 0xfdd7b2b79797e6e952d4f424ae23c7bdff01d5d174b3c27e3aa0f615e279d235
15. 0x648a3baa51de8aa55066ecdaef86a2d63e9b16b533148da0c58eba70048b858f
16. 0x80bdd907e4cabf074c5e8d919e88abbc805de47d0c5c142e281a67157f82926f
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa