Evidence row 3775286

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": "2026-11-06T20:26:13.619502Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T20:26:13.619502Z",
        "updatedAt": "2026-11-06T20:26:13.619502Z"
      }
    },
    "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": "1.16.2",
      "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":"533f74150f09c41c3f6d17969a6f5c2b6467fdce44d01383f47f1edff62d8bc0","id":3775286,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794000217187687,"prev":3764967,"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 2026-11-06 (303443 rows).

1. 0xf7f0d7f34ed6b0cbe328de676c717cf7bc6b99adafa6d5f364fb0f653f4b1eb5
2. 0x2dfb1faae1373d4a51cba140eb092ce05cc7a86d7269c25ce38c409637091f47
3. 0x44e761a59adcf5dbd85aadd7f53a629e5791a62d55d36fead76ff6c521bbca13
4. 0xb6133c4f9860de7d655b3b0c0e0960a90c870c50692a090c87e55e61edbd81df
5. 0x21aa872872ba31cd31c9ee793bd3a628743e5e0a12e86332013f91c3569ba084
6. 0xdd8697464f0627211b13b970b3fbb0a5739e7df6af28212c27be7009a9181bf1
7. 0x042f5e5700a143895749728063c092af2ad21b272bb6ce1b9e45f4d2c9414c6f
8. 0xe6cb3610b1034208cfe3c1bf18b50537fd4c08a01bb7228df45a720d7b18f050
9. 0x51c1eb6671b42a090237e189670592dd9e776c971646e684a827d7a561baf7f0
10. 0x43bc2e185efe2af3f1ae9adec5decd8c5ea11e90677bba3bf45f6e89683186ba
11. 0x7658e79a62eb83f9294c18ce031b0ca241f59f5e9dd96715c684932248a9d8f6
12. 0xaf351973db16489c0a2d6e59a25160fc2d66f8a425984250561a15d65ccc77aa
13. 0x0f18fdbad3fe8f4e9a62e25843b36753d6ed463a552cddc989b5a1e33f108566
14. 0xadb9e5d5e78a6ef642bc8b18b9f3dd14d6e5d20536651d3ce85fec62d35a6aba
15. 0x0bc8160b8c94aae791142fc9caa83c153cc73b339512089ee494d4e8e7094abe
16. 0x04c1c4929933bae20304ac32084d4b93dcac07567f68e828ac93bbc39eb4614c
17. 0x0ab273486ad4e41bf08c741b20b2ee12e0fc87eaa429a5467c58fd3be34409b9

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1