Evidence row 1249754

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": "2026-10-30T12:20:54.863288Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T12:20:54.863288Z",
        "updatedAt": "2026-10-30T12:20:54.863288Z"
      }
    },
    "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": "1.16.1",
      "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":"28b3267526cae54c71747a43604ce8d2a9980cd2462683204512ea1efa3a8aac","id":1249754,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793366123157695,"prev":1025801,"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 2026-10-30 (243099 rows).

1. 0x8f1ce573f1eb721d0791cf236182aa4c3f880e7a1cd1815d1cf06ee5280317ef
2. 0x669cf295b8227a2afd8c072a9cea63bc628584a07928bd212c1a0d7b4080be3b
3. 0xe14d31bc5ff94850bd89255c85faf29314c2bf2306350c6a16eb4bf4266b6249
4. 0x3b56f56c1ba99e50bdff655080eaec2ed9c3015f8f4ef99569aaa4ecf3ac1563
5. 0xb89622ea88fc4dcbed9ad844f427ecef9939aedcec1cb02bfb406eb38b825cd3
6. 0xa469de2574813f728f48390632b92b6c49277f03be088b06e6d96aa4ac7c58f7
7. 0xae5b95712f1475b5b6efd093a68a3f0fba00f1f1078fb575d375e94005fe7148
8. 0x22a1a988c636eb946a2db464d1352cd1edc9d24b9391023e623ce7df8cc139b1
9. 0x7147a514629a320f02bb7737a3d5c6899c0e9fcac38f6581c07bca22b2061dc4
10. 0x5a39562a427b8920317a8bf29b8ea2385cec1f067a8713389c0f73621cddd70a
11. 0xcd9588e128a60552d252c58d38e5c3818af0df9eb8505df370490a269e593247
12. 0x33c7220b44c8f9547522b3c85b2e7dbcccf46f05c3a01d4cfdbc5047d04bd3fd
13. 0xe5c7bcff4eb1a1cddbc8bb6427c555e10172e9ed2ae1d01f85ac9bd0def75a2a
14. 0xc819bc399b4972a3a1ce1897d0bce2138291f900ae9bdb4afaf8fa23d651b490
15. 0xe722b5213af778d8f1621b8b0b61f957ac8d8bb43a780aed8989bfc357e5bc58
16. 0x835211170e79bdce1a823ec914e3532e128f77751e9074286da35091b0200284
17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861