Evidence row 3775068

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://customcat.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/customcat/"
    ]
  ],
  "name": "CustomCat MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-06T20:26:12.652526Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T20:26:12.652526Z",
        "updatedAt": "2026-11-06T20:26:12.652526Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Browse the CustomCat catalog, your products and designs; check shipping; create and cancel orders.",
      "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/customcat",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://customcat.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/customcat",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "CustomCat MCP by usefulapi",
      "version": "1.16.2",
      "websiteUrl": "https://usefulapi.io/customcat/"
    }
  },
  "source": "mcp_registry",
  "summary": "Browse the CustomCat catalog, your products and designs; check shipping; create and cancel orders."
}

What the leaf hashes

{"body":"09f6ae00c8ebd96effe6c4dcf74f969e1fd9ed61ec90f1fbfecef07e9d4dd8ee","id":3775068,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794000214615147,"prev":3764659,"subject":"mcp_registry:io.usefulapi/customcat","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. 0xd581723ec47ebcdbc5770a16854ce5c61c69e26b830c1957ac5b743da5432d1c
2. 0x11b33e26df0f4153564405948d2ee4920ec9fb4ee3e104cf1ccda627193f9cfe
3. 0x41a8935b0e09aee50bcc08bab4f183b12633d8d66f2ba10b93b6f4b01d1ba257
4. 0x45a4cd187bf204a703f64f01e782852043f3c5d8ce89905785f8d6f1d6ffdd7c
5. 0x45efa2850248cf2a9a79ce3886a1013280f1bb3da5c49c0d0f30b727fc54ff89
6. 0x353acaf69709de647237254a5e93d19a5b54b46c32a6a36c683b3b80a74a7898
7. 0x3bddb040adaf794224c8940a9fc3db30e5c19633229b7d2a738e7251c5592ccc
8. 0x3a50573939b6233474affec62765c2bde2a3d0fb18bf8b9dcbb3c5aafb72edee
9. 0xee60674a9049159beb01bbb1e65bf7c7b8bc3212ae612741a3d4a27b6531b6c6
10. 0x2c136bc3e2f9101aed010ced931b3800872d14cf1aa42d8ae252b692a9c5ad4b
11. 0xa8c171d91b85d44ee9c78dfde95849c5a1f2e6b54929e19339ef48381b0d28d3
12. 0xb5cc52b5e63b4d4dacb95c907a1984a36194ffd8d4deab56034790033c5efc3f
13. 0x024a8b5d84fc99d367f5fc2abe741b7f1d3516fdc26aefc99daf71bb695fcc54
14. 0x9b0165e4352a0b8fdd80b767eafb2f430d996588dbd157804ae48456ed17652b
15. 0x821ffa0a1fb7e66ffa8ce79fd755aa408c67dd0ef62aee573ea2278fcbd9823d
16. 0xd47209ac9b2ac71257b5162800ce4482f8cf7ea04f074033847ad335ca758d32
17. 0xf19d501fdbc28e10c3244253daf0c37c4752659eae14a7cba585a18c7df9ce0d
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1