Evidence row 3957982

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": "2026-11-07T18:04:45.866451Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T18:04:45.866451Z",
        "updatedAt": "2026-11-07T18:04:45.866451Z"
      }
    },
    "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": "1.8.4",
      "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":"36f725c1c8d336d39ef190a55b1bdde1852fa704088d55c054cbd1b48170ca0c","id":3957982,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794075897228243,"prev":3945128,"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. 0x3f3cdfd1e31ce8a295a15bb9df66767c559b115afb1b9932c7fa8c310845ef29
2. 0xd6ece4ee99d731909eb257668fab334c2a43629fa63d661a9d643e748a091dd3
3. 0xef4353b947be4c5516406173e5d2f7b63489e00fd4562f13e4aa8d0b8c0391c9
4. 0xb407d45a885d7ed69fa2e46b3047c8e34e7b412483cd366ba88f403e87885269
5. 0x082de02bf783fea3377822305b51fb85e74f62e614e1595037a0aa12854b93fa
6. 0xee8e1c961542498ade45a54dd59ff3c8cdd390570757fdca79252624acef0a4d
7. 0x17dbd8b555478365ab0ad1db53a1eb34764fdbc78082252ad74febc1596a47fb
8. 0xf92a4da065bb0704dc8c873d5dd909e803b308925bae2cc5e17974b0656b1595
9. 0xa81be7b56c821795e6ac128cce067d65abfc53dde4006665c1955f1f0d9ed5e3
10. 0xf2803866e1eca47fc170b1a26490fac16f45e3937d4a0787cb2a771ea7e012e4
11. 0xeee038d5bb7358cad1a0bd21293a1bdf485a966e2aa263884f2cc5f8feb2cb39
12. 0x65fc922d0b91781f23bddd8b4a42519f2ec42aa86118bd94ccdd851356893820
13. 0xa5a96e20a466cfec764384073f0fea792307c8ff464b459bce5b293e61ff85a4
14. 0xb96cde31376f2620034d37eacb768d6239f6799d719ac01516ef133c0df4dda5
15. 0xa3ca92229f3aac0e9b561aaa066ca1907adc3f0b1685587fa30369d41cf66004
16. 0xf0a56561418cd0342a328707933cc222d8fa725efff7ffd081e0226ee8c46c0b
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa