Evidence row 2564448

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": "2026-11-03T09:54:37.138069Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T09:54:37.138069Z",
        "updatedAt": "2026-11-03T09:54:37.138069Z"
      }
    },
    "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": "1.15.0",
      "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":"13de41f54f71843b0b9a4f6252b15d3063a047ce210af4d13c81b00fb6be7e13","id":2564448,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793701159838247,"prev":2546343,"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. 0xebe6ec772a5f808e86856d59a699ca6578333e9de63399966b3eda2c1858206c
2. 0x07b48a2aab6ca845bcf7d62626401fe68e2e1b3b4cb22558c98ec9de7951028c
3. 0x8ea2f3fec49c64857aee7eb52be12c814a44617c7b4c15d652b8d7e78908448e
4. 0xe4f70ce8b7eec864b67e83b6a2873b9cd1cb17b88b4792a01f2724afa0c7461f
5. 0x3a5b5caf3e941436effa230b069489f00214b100fcbcc5cdc6ef361458445efe
6. 0xffee8c8276ab0e4cfc1799f43ac5c76376833ad0e2b91fcc3065fc05a62f94dd
7. 0xbd718323f7674ea5d133644472f5c88fc591efb9f12d275c02f70376f8a09049
8. 0xa301e43ea9a7e55b107fb3de10c67899d6e0e1ff424bd494cc129220731a0e77
9. 0x5b53751f4375748d86f6732f87fa9e83478ad12cf2b365e61ddc72b55190f69b
10. 0x762dc74aa8c361bf32162d091476cb02c795e88836022fd9a01713b60001eaa6
11. 0xd3b1fbe8376d4226f60c66bf094512711ad485f0152e36189e50d85a30a31a80
12. 0x9a04df5302872adb1dc149148d84adc5a4ab5f839a23b49f756a2aba6e828a31
13. 0x57b25ea6cb764c62af44fb8bcb6cfbbf38d741be80780cc55d536d03fc0602ac
14. 0x3772686f2a1eb334138050fbc502de05a788284f1b6d6ecca81bfe0056770df0
15. 0x006ca23845a42a2d7f3ffca485568321f0deef0a65ff45709711a78f8e68aa0f
16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7