Evidence row 2546343

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": "2026-11-03T07:15:44.126105Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T07:15:44.126105Z",
        "updatedAt": "2026-11-03T07:15:44.126105Z"
      }
    },
    "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": "1.14.1",
      "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":"dd91b0d522fc3d4644e375a5cf057aa8bd5f1c412f158085aae2d07a9a8fbca7","id":2546343,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793690346329301,"prev":2130116,"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 2026-11-03 (425475 rows).

1. 0xe4f4cd4e5e78160fe503d77349c948f43ce1f27af40b374b1f8bb8f1d58f0174
2. 0x2cfd644e2f075140ccb8a774d024754df74901f6277c74b54094f710638e6034
3. 0xb5723b130e5e362b5dd9436c2b5f2c787e2ec6cdf56139caa094a36308f69762
4. 0xfc8ced3420a107391e51fd8d11ea374b6601561b5f05ba642096de446bdc3dc1
5. 0xcff682f6d7c189a9f0b125621511518407ae49fb51a617055274d08cc7ebcf22
6. 0xb75cac681753f214dfcf67b122875c40fcf208739ac66ffaa9a3620c862f2d07
7. 0x90d0d83f1d226da03802a325e62e2819f614003fe5bf8c0f04cd949d511063a7
8. 0xe844d83c7c21cb16916a2e18b06583f828d66d2f442dd5fd2699c77edcc8e0d7
9. 0xce75d97bb59442c94a50c7ad5aaf84e47694b4123bcc2005fd2a60e2d70f19bb
10. 0x298355be98446486747c5d1a85c407bbf9bd721eb451f761f54179601d94d6d7
11. 0x0e6c3d64ce3a31c2664fd2e8cc383bd4e14ae0dcd9b9fc8ef16f9fce0ef0dd79
12. 0x8a2b27ce9e13b66cef6d1fa09c15a96f8e498f7102ac3524efaae6737b11d546
13. 0x45ba4607b58bd503d8501bd96a0477f9bb52f44b7e9c7927ec982f240f262131
14. 0x88002651b75eed5296ce4ff2e29616d59737fbfdbd4eb1747342b2df0368963a
15. 0x006ca23845a42a2d7f3ffca485568321f0deef0a65ff45709711a78f8e68aa0f
16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7