Evidence row 2726632

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": "2026-11-03T22:29:30.406354Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T22:29:30.406354Z",
        "updatedAt": "2026-11-03T22:29:30.406354Z"
      }
    },
    "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": "1.22.1",
      "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":"e8076d465b019d2a3be95be6b162d9590a3aa0746ad0b95d702e6f457daef462","id":2726632,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793747993852821,"prev":2564778,"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 2026-11-03 (425475 rows).

1. 0xdaff5c746ef85b509cab8d6ec28e1771c7e3083f2dad622a934590cab56b6a19
2. 0x70f92a80a0e4e3b6b040ba247cc02ec8553b1f4ae02d352be33c44bcce3cf293
3. 0xb69600cd6949904a278f4ea03d929485bc99ce505b78f48d7e1651ebffcf603a
4. 0xbdc6b2f01610b2d41ef8696419cc8298dace9fce7ca7bdfbb12d487fddb7f56e
5. 0x042599da0edfb5079428ab322396331a127dc17a96370a24f4e94615999f5edf
6. 0x8215b671e94c3357f18d6ddb1ac98dc17f407df6e5d382be1e153e2dc17d3857
7. 0x21f4119a9c13de7cbf9fa950797452f024b014e3cfc01073d35193fb95ae5178
8. 0xb56c09c35374503e0f55f1a155e998160cc742d6a7df696c50edb80c5cb53e6b
9. 0xc9b720cdd574a16cf36d4a83c24440696f94cd9f821c0b0c5d8d2757b68f3783
10. 0x8106f9950a279530442f76a3aceb730204fac0603d870c8de6e638a50ae1b30e
11. 0xe2ded44989d30171525c9d9c3c2945e86ae323306f4b04055b39b8134433497b
12. 0x50c000dc4c49c64976d0fb6188c7b4b0b1786be9035d28f75ca46e820eaa947b
13. 0x18e08ad394067093dae6bbbe34056f7bb1c1d5e741eeb914e13018528f512324
14. 0x2c1baf03ae8564ef5b628cdba2345355f8a5380a741795df06515892893be4e0
15. 0xa2affd8bf947cfbdf7d8306e1c5d3a442dbd709fab2739124e1aecfdc7d513da
16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7