Evidence row 3765108

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": "2026-11-06T19:34:54.192594Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T19:34:54.192594Z",
        "updatedAt": "2026-11-06T19:34:54.192594Z"
      }
    },
    "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": "1.23.1",
      "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":"eb4c4d922df01e53f0b1171aea4022e390d4fe62d6acf90e3cad1d8a60d16abb","id":3765108,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793996596002743,"prev":3723732,"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. 0xfe7de243b9c31f3fcf5f7afd257ce48a700e2c3c48ff15fc78f0852b4b3041fc
2. 0x67ed5138146b1d853b63a9806eea7dbde399e179a43bc2e8ff0f7bd9e631e679
3. 0xb893691aa4b685dcd4cf334a4f136f1eea39cb652902ef528f72900b9fd05c70
4. 0x6f0b82c52b2599c58ade008311ad66173e6d6d434fbcd8123d1bd806f0d476ed
5. 0x74f992a82a83ac70fef66c9dc4428f31f19920ba80ca094740b7f194c11091fb
6. 0x8579eaede17c630014e202c8fec5c34c43ff67831b319131eef1ba30f54250d9
7. 0x8c89786dd3d4b670a5e3b0411b5c66bd4f671ea6249459e5022c238b503285cc
8. 0x7a2e93cd83460851867199bacf5c597aeec4fb08da2792b05a889fbbddf9cb12
9. 0xf01aa1e7bd9498cdcf578254edd6e338c340cfda91f73328b03b502cecc73662
10. 0x9fc35fd65c160d8a67cd7a6d20a480acd99d2804800184d188575e99b9a0ac53
11. 0x293c75b06555012e8b7527b820030b6048298d03c3980a95d7011650ebda6609
12. 0x9540e0cf18b79cb13b0a77f78689d45f98c5808c5cd1e2f6361e57c40cd00828
13. 0xa53611af41fac56adf4e62af88a228aaa11b318341a167e3543a17186090472b
14. 0x86593ac15f658012908c6be3447438c3409f4e6b92fd02ad8b0b2a8f74233080
15. 0x4d1da9738e22475b7194f6dd7a6c3348b6abb938507afdcb6452d859f52556b2
16. 0x0ab273486ad4e41bf08c741b20b2ee12e0fc87eaa429a5467c58fd3be34409b9

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1