Evidence row 2130439

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": "2026-11-02T11:22:44.924298Z",
        "status": "active",
        "statusChangedAt": "2026-11-02T11:22:44.924298Z",
        "updatedAt": "2026-11-02T11:22:44.924298Z"
      }
    },
    "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": "1.21.0",
      "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":"7e7d024a2cd97db163cafc3217540ba202abdb59d13e02b60bdbdcaac286af7d","id":2130439,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793621911427084,"prev":1541447,"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 2026-11-02 (444186 rows).

1. 0x4240ac805893bd737368645ca4b14aba14dff4dea08110186075ffaf5d662e49
2. 0xa9f21cf846b8da3c0482add25b44df6e76159849e2ce3efcf47ec35ddddb57c9
3. 0xfd278283037b341cf6b7ad2e11e09866dd7679b86f167bf47a65f489434d58a0
4. 0xf3b703e67ae7e8c91d07c919de5a1e48ee50384ccfdec2c186c5a0ba0f2ba08a
5. 0x57374840826b4de911416b1e6080188c4d6fd30b7e964e76046322f0e751fcd7
6. 0x2f946a1e7ce36849de0f0b197548f94bfc04701b65f79538750a88057a64af42
7. 0xb947348c44e2e103c864955984f1913c89c2c1a85d7747f0d5b78f8e0efadd1e
8. 0xc20f13dbb9a4d33f4e1c5c59ab01e0c9be26f3816a4ddd51c6da6c953044e17d
9. 0x9df7d8ae1efea72e7c8a846c4c80f25ecfb38dc5e0f8e31bc120df2846727cce
10. 0x54fbd2f64625f870b3d92f45a28056f3fe399a438ba4af2bc7553769b322eb85
11. 0xc1e5ef0f892a6b99dbf474674b9a6be5c1534b7d6383e945033bf95696d38a2b
12. 0x17858bbc60dae810bfa46a71ddb0d4bc3816060ff678ab2804cd513c70546454
13. 0xd4651434698f4d5f8d2255b9d81f1cf47a7c3da7e2321b09b05fc8ddc31165a2
14. 0x75634d9d67fe6c75f98d15ecdced550aaaa0b303b51c1355fcc39f82416bc504
15. 0x3217f821997a6d778dcf0814a25b1296c55ab77710c675e7b15695d25a6ce67d
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af