Evidence row 1025801

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": "2026-10-29T12:34:21.076698Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T12:34:21.076698Z",
        "updatedAt": "2026-10-29T12:34:21.076698Z"
      }
    },
    "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": "1.16.0",
      "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":"36bc7370ecad74e0e6d02870c5e8d8cb2ce3866193b7a0eb9337895e634719d0","id":1025801,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793279590778233,"prev":1005488,"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 2026-10-29 (242798 rows).

1. 0xe30f73919d5dc9eb19ccdcd510fbbacae286f2ebae2eefc3251281cd60fc0a00
2. 0x916270f0fe99a16c82a94c06fa2f71243e81cd73a8ed9f2f2713bed1d78f3b8f
3. 0x8e97c04394d8fc6d871bba49bf10435e0199a4566c35c1a2f431311c21cd3583
4. 0xe7949e6765f6efbc035c0945b909df3b2200fb2d574b3855680387ca69aada29
5. 0x954439b10785aab144de3ccc925a28a11a29c58c7040eb71f5382f514aa0bba3
6. 0x5b3d66c404812c2e2610de0f6410a28093f9df19ca72a67209c24f7cd52eb645
7. 0xe3da7d3ca37929bf301e89772b8e1b92c2a598f48c8985426807f7b28daa2762
8. 0x0bafe8275c33979ab3c3bbf72bcaf83f8736291a6b32e27164c44299999eb10b
9. 0x2dba69d93fcc698b3b7e893d9cb5880013d0de1e58387a77dbd68d92ab5884fa
10. 0xe5d343f99b0f1acc22db54d52c23329162536ec0adc0bf8818236a5f681d75bd
11. 0xadcba9591434d8a7b4f6035482b9a04cab663b4dad0d00b795c2b7eb42a80936
12. 0x247ea3a1ecf496588332a6512fba8396cfeb0d4a3b91d4a69d8c4e72801689fd
13. 0x31d9bd174da02f7a79f3f5f6068e0a16f8b2319ca4f6d9a4cd93464988b1ffce
14. 0x5eebfacb78943282482b6079e45bf142a28ccb1f65c473e6e0a90d378cca2b03
15. 0x1623e28c5fc42dfa00ec1935da937a96d5bbf27124e83666dc61efe8facbb339
16. 0xa034ebc8d117fbf1ed466b70baa0478bf213b743e1a41cba1d2da7a9f310184d
17. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1