Evidence row 3945392

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": "2026-11-07T09:17:08.530879Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T09:17:08.530879Z",
        "updatedAt": "2026-11-07T09:17:08.530879Z"
      }
    },
    "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": "1.23.3",
      "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":"108dcc545cd6e3b7e2641543137e11fa47217fc93f591dc6df371e43f220a44b","id":3945392,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794043457658856,"prev":3775412,"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. 0x3f332befba42852573ac875ddc12fc05ab0a843cd9e3da4f70f754ac5e774edf
2. 0xd6c9659279a041fc630b5e790f4a4e69392ba5e8d70cbb56d544932d6c51a6d5
3. 0x2ea2152a2df4aca5e38de59d69e4de84427d27e1d69ab48e1d1401a0bcfd4887
4. 0x6e3d2c21e50dee08ced486608673e18b47c5e076c988ae771ddf1222922bbfd9
5. 0xd082c19c4cc08198605843345c9c29b50af09944f18a1b695b10757733dddfae
6. 0xedfb8ba728224cd9abb738ec0912041a03ac4686c49ee9806057c34c83081ae9
7. 0x17dbd8b555478365ab0ad1db53a1eb34764fdbc78082252ad74febc1596a47fb
8. 0xf92a4da065bb0704dc8c873d5dd909e803b308925bae2cc5e17974b0656b1595
9. 0xa81be7b56c821795e6ac128cce067d65abfc53dde4006665c1955f1f0d9ed5e3
10. 0xf2803866e1eca47fc170b1a26490fac16f45e3937d4a0787cb2a771ea7e012e4
11. 0xeee038d5bb7358cad1a0bd21293a1bdf485a966e2aa263884f2cc5f8feb2cb39
12. 0x65fc922d0b91781f23bddd8b4a42519f2ec42aa86118bd94ccdd851356893820
13. 0xa5a96e20a466cfec764384073f0fea792307c8ff464b459bce5b293e61ff85a4
14. 0xb96cde31376f2620034d37eacb768d6239f6799d719ac01516ef133c0df4dda5
15. 0xa3ca92229f3aac0e9b561aaa066ca1907adc3f0b1685587fa30369d41cf66004
16. 0xf0a56561418cd0342a328707933cc222d8fa725efff7ffd081e0226ee8c46c0b
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa