Evidence row 3414449

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": "2026-11-05T13:38:04.862934Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T13:38:04.862934Z",
        "updatedAt": "2026-11-05T13:38:04.862934Z"
      }
    },
    "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": "1.22.3",
      "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":"5ca06850cd3f819e2939565fbc92f0a3cd3534aff4cbd9ea3902d9a2253a3194","id":3414449,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793888498167521,"prev":3396198,"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 2026-11-05 (322504 rows).

1. 0x752eecb78fa4d3d31670d7108eb3eef4f807200ac8c579038dcb84427de9e249
2. 0x4ee050ed4c5dcbcbe8d191456190dd9a2afeb4590109193a74514f81238e6413
3. 0xc1f9c5b343f03ba5e49b5082447f8451777c3fc199f36e45c1f512d425bbaaf1
4. 0xe24167daa1d3ab1a137d4a49fb20c5f5926999eb708b19fa2629c72d0f4c42f4
5. 0x83b60bdf3c8ca9ed5355738833cd607e7e7365a8ef952350264e93185407ff26
6. 0xed80b93bed02ba3af1ec9dfc4a793ed053e2b5606de52a67ef7e4d3156f90b76
7. 0x33380ee7d660da433b72d371df8eaa7937afdf6f59dc814e6a15571326012a17
8. 0xf35e23a26b70a17cc5b3d8c84a5bfaa6867bcad11bb0b945a9796f1c19619477
9. 0x67bb9a2dabc07f800cb28c9ab87883fff19ebbfc9b19c7e38b576cc3cdca574f
10. 0xec250782b643c018296e5af4d338ee64d628ea2295bbd7c59673fcfd701cd762
11. 0x734e266dc6172f8c88dbebba57bb2a306eb261f26145ce29aaf81f14cfb32c28
12. 0xa34bd08de3cc19a3bff0595a98f7815a008c42c4607ddd7c6ceffdf8135c3b80
13. 0x9f49ee11d75e9de037d8212c931305c83dec9cf9fe02f9b12237d47f9e7bf49c
14. 0x295b2ff917e72ce7e3d94bc8c6718d80f4989a94f335a61261966c43aec141b1
15. 0x644b3663b447930221e9fe24f9d97eb640daf058f5ce062e43895179e35a3628
16. 0x3b5d12e41df15017099876c1435af6ce1c7a30cfddd96040c3878ac62de1dbc3
17. 0x7e5b4628b4269525ce0744fb873651b9d7be5748de44b7e6b858af09c7e30bd8
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94