Evidence row 3945264

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://lawcus.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/lawcus/"
    ]
  ],
  "name": "Lawcus MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T09:17:30.202451Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T09:17:30.202451Z",
        "updatedAt": "2026-11-07T09:17:30.202451Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read Lawcus contacts, matters, leads, time and billing reports; create contacts and tasks.",
      "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/lawcus",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://lawcus.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/lawcus",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Lawcus MCP by usefulapi",
      "version": "1.16.3",
      "websiteUrl": "https://usefulapi.io/lawcus/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read Lawcus contacts, matters, leads, time and billing reports; create contacts and tasks."
}

What the leaf hashes

{"body":"51e037f69c9f4b3520e73ab5ec7417d693d7ad320d457f9ac6bfadb6f6a54a66","id":3945264,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794043456624042,"prev":3775286,"subject":"mcp_registry:io.usefulapi/lawcus","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. 0xe2faac48dee053fa0c5155cc690368e3790bd353e93f6ab500c2674197d1582a
2. 0xa4b68194f0e4026e5598234d17b1770d35477fdd8d3598e452c2626d775d37d6
3. 0x68b4147c942327048e48803f47bb3018b2e3d73479b5f1a37fb4cd986b0d5f06
4. 0x3ce8ad52d0299ec0b768ad7215b825d68a3ffef180d0dd3ba08f00a821bf9339
5. 0x17fa38f9b90902246b3370d8308a7d17f3790ca6f1efef12918b685e7633c9d5
6. 0x8244bde60238418a8a90c2120cfa23e1c0c0585bcd71c1701642fe146928627e
7. 0x781794351ed4277bc827521996cd41da649eee22c45d797575f9ca4661522921
8. 0xd24c142776af3b461cf72db39c2bcdaede3d9aa4226dd49816641465dd32d804
9. 0xb8b098c02d85a2892db21ee516346e52c32b3a343fce42f2664c6a27814e4523
10. 0x84784f0e0556b0b4941d3f445c7f4e575a9e0d3dcdcb9e08c6ffaf916da798bb
11. 0x61451240770ccc1f5758ed4fb03cd8d193a25989cf72a2af2c0c9462270b9f24
12. 0xfb8f51b15b2f9745239eeb02804a4971def25eb525b50bd0513190ef9a45f945
13. 0x43264bd26116ef8e6f9fb17235da20d71d20e9b50e11d5352edde08d4a1d0f55
14. 0x6f49c61b0121647381a6cf39821f3b65b9e708380eb6ac63924f415c4db07607
15. 0xe840e410ee5ca60b9428cf31ac97ed84879fffbdab20af854208e002351d4fae
16. 0xbb3be27e5da5ccad91ce4674c6eac53275c0832f3885b89533d2be65d38f2fc6
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa