Evidence row 2564655

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": "2026-11-03T09:54:37.825234Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T09:54:37.825234Z",
        "updatedAt": "2026-11-03T09:54:37.825234Z"
      }
    },
    "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": "1.15.0",
      "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":"2fbe1f6acfa0d0fcf9a98af884a08626bcad7160baad5228645649d4b77136c1","id":2564655,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793701161654267,"prev":2546550,"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 2026-11-03 (425475 rows).

1. 0x6d2ac73d18cbef10a53fd26f1cfb85fced0ca6f80f173d6cbbbecddb3f3b4a47
2. 0x3db6d01d09c2237b1a084c12f7c40314e17e8454d7033f590c767888672e737d
3. 0x4c5974a09ce8931fa59fd5994e6ed2f9f7c06073b5419fa1a8f3c2c330db89c9
4. 0x4c691a11d64374476a742ef899827d129e403b7f1f945d238a33f04dcb5ba945
5. 0x361e9266fc5fb4142fd756eaefd86410417935023a7e38c8a4b163b847ee2f91
6. 0xfa58f62c8131ce26be506123e94ab6cd562b113f2afcce1aabf66e49690b84fd
7. 0xbf61516d252a4a247981a1a19fe7713d55b18514979a4f92f8be3c8baca2a29a
8. 0xa355fb775f89d46ba4d0b05350ec1cd29cc01eb7c14cdeb7260ca4feee9b9493
9. 0x56517fd55b5b486e63add79eac4641f8cb2227a5996e4427e73775fed16696a0
10. 0x6c1dc141d1785c772d4ec08b6203068320be153b1992330fed6ab5d77fb4ab05
11. 0x3bfc805971271d160f43137b3fb94d0d4cb93840fd82bff1f6e44d4952ed5ef2
12. 0x214589e605ddfb0bb125e3baa9566898e2fb8cf79aaf7e4a640daab3b300cdac
13. 0x17ed3001ba4262f9a9bdbf52bec0dd3e265936a67c3b494e499acd7556b945ed
14. 0xfa0b529eb378798ff02cbc952fd6c3953222eb9ab256854a832809b511e45b32
15. 0x1be647e954f61ace2ed9636ef78e1986bb535c60f6f7e9d512f4249f9507bb36
16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7