Evidence row 3945128

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://feegow.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/feegow/"
    ]
  ],
  "name": "Feegow MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T09:17:57.729709Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T09:17:57.729709Z",
        "updatedAt": "2026-11-07T09:17:57.729709Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read clinic appointments, patients and finances; manage bookings and patient registration.",
      "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/feegow",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://feegow.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/feegow",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Feegow MCP by usefulapi",
      "version": "1.8.3",
      "websiteUrl": "https://usefulapi.io/feegow/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read clinic appointments, patients and finances; manage bookings and patient registration."
}

What the leaf hashes

{"body":"d84dd3d6b1a8899a66b4ef9ef2f4b7a3a7cff5eb195f565bb7d8463c53f1bd3d","id":3945128,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794043455008322,"prev":3775147,"subject":"mcp_registry:io.usefulapi/feegow","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-07 (195826 rows).

1. 0xa898b7d7c308bd750f20e3fb0eaf6816d5d274daa1c622f06d0347ace73a214c
2. 0x317cb6c9e7d2acd0fa9885382b7f3cb21f888a4feb7d7f3b7e4d5306383d5c03
3. 0xdde81a5118f9d5d1887c22e0d1ad2c1f931708e61b1de44f0e007d2482e4bbbd
4. 0xd54940262871992c81b8aa46adc5d02794d6d24ff9a5ddb69da982bc26730240
5. 0x114a9b460d4394b0d3161a25393e509e195c248d72aa634958998f29c568d621
6. 0x74b3232942fcffef82adfa30d2e1c8b216d5d88a8ec1d0e0726532a2f0aefb04
7. 0x994897a663f421d13e86cf843c80985c958550a0f13fb4aa913662ab94545dae
8. 0x12b3b019e8ec8521b2e8f2c07a56c0222c9a9f118161376f17882442926757a0
9. 0x2c612212d1ceed8d8f7315d9895c9c04093211384fda0444292fbbd82883aad5
10. 0x8450f81870aadab751a09448a65a544227e5c4bf065d72ab5b6bdbecf57201e4
11. 0x5ac22b5d48eaf1d1cac79cfd788a1c4ca71fdbf70052bd058bc903a85112c27b
12. 0x04d404be960e661e3b808d66f7847fa37fe75f29447898e38910bc666df79ba0
13. 0xad78c00a716aabee544cc17bea66208d0f22b828b84f51b9fc6f8227d10367cc
14. 0x48aed00eefc8f84d1248774dbdfabcbf6a8a32d07ba72d541c50e091461df992
15. 0xd43f13f6774b4e9adf7a95c9811fb4fe9b9256ca73bc6f20577cb4cb147ba0eb
16. 0x39ddab61a3a1eeffcb2f54acf6ff87eaec375674f3e77f00c342826d4e1bf071
17. 0x3b69f6d98c91b21287021db092e52491474f0d08438393ac130d6a3c273bcd4a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa