Evidence row 3723732

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": "2026-11-06T12:08:42.486922Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T12:08:42.486922Z",
        "updatedAt": "2026-11-06T12:08:42.486922Z"
      }
    },
    "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": "1.22.4",
      "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":"861a6358ad7343ae63928ebf22b298a4f99b0387f9a0688bf8d00c4712caa1bb","id":3723732,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793967740861229,"prev":3414449,"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 2026-11-06 (303443 rows).

1. 0x0781bc7e14a6d817d1f33a60715713730243507e1aa13205992c4b5fb775517f
2. 0x4e25cabd4eef5426b3e3c95b9ecda7607a0da694d49cd68158acff0306951b1c
3. 0x496558833f51af54bb9c9af293450980350d2a89d8b365604f2d9c485c60b570
4. 0xad82fe2faedb3e35552595f75ca429d0b2991f2cc383876ec90bb8979d561f38
5. 0x0a34533c9cf7e7230fb86272bca6ea36d9e61f339b9229feaffcf7105a9e2b0a
6. 0x454c31abd8eb422835f311322f80c6790407d2dc3837e20708dfbf592e467bee
7. 0x7c9cc65908838713dbaeb4d4c40f6fc311bafcc6ea5a866bd9e41bf42ae16013
8. 0x4a1fbcd594725a926c107ec304578a365e600d056f2e56c857bc472404224f83
9. 0x7f5e107ae0a195626d45cfcc11515a78e84d72cff1d9dda6eff00bcfd9e8e36e
10. 0x33b6106d5c92977aff60c62e1839a942cbf1fb7f721be9a7f16cfcc3423f4e5f
11. 0xc8b8b7329a7404a70d3b684fcdd01fbe8bfcdb80bdb35672c0a3041d85836a4f
12. 0x1780ad656387ede28a1165edf7ef74acc61a68c77433ea91c64488b73e3fc12a
13. 0x6b1059d214223ba232a27d5edff7b1ca30e5c5586268765def55110a4e62d106
14. 0xab5d80a23ca5a52b4c56f2bb72b2f4bbc10fbb76450f278d3e5eeb93a98596cb
15. 0xc1c168f06fcf5aacb7cf4877c193f1924402c94b5590a7647a022d30da984477
16. 0x63d3b15302a17641ec84d6d16c07594288ca45016a6cc12a65ca679e6cd95c97
17. 0xa448dc698494f795f2240c0e7070e8a93eb263baee21ca4185a7d03432a614d8
18. 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1