Evidence row 795646

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": "2026-10-28T18:46:16.89949Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T18:46:16.89949Z",
        "updatedAt": "2026-10-28T18:46:16.89949Z"
      }
    },
    "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": "1.6.0",
      "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":"9edd8e11eea4112382be9b7cd118bbcc688fdb1fc08e26fdcff740ab234312df","id":795646,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793214746115081,"prev":443041,"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 2026-10-28 (231336 rows).

1. 0xc133006ab17cc1810b0507df09d4c76f2c5dabf7d02dda56b7cfc724c9ca01a7
2. 0x9d7f5d3cc865b9298660458109f4232ea81da40231156626a5b5a0bae6a67f11
3. 0x93f53a8d190a1b756a39d984ba38dc448042671ab1c94e218bb3dc3c19408fd5
4. 0xb298bc420323b901376bf92ff06d2d83b5ea8df9a144d7c0ff04db57652d9a30
5. 0xaaa188fdd1e215a32f26d572a02312b49effcabd76b41f415700b7ab09f8d335
6. 0x5c667b1cdfa09d3ff127cb7a65dae9fc9c748cec0987a462734f28de8ec7a018
7. 0x15b4ff78353eaf8910c33f0665cd928cd0ed884b96a81f868c8687707c298485
8. 0xf3c3fa5a0a29e4d323f5f6551839a6c805b94bfbdec8f493b0b4315df39f7d69
9. 0xea22bb737d9c557a162c38242389accdf5dfbbec6367b79c67bc17fa39559123
10. 0xf8a003fed8bf198e5a41be95d3e4210ddf8134b7a70899ad09dbeecfc11956b3
11. 0xc79ea060175a9134e84d532f95a52074c91a666532311faf3b546ab67f80f855
12. 0x7d7c0b3eedb77dd5efc1a0565bf11347cfd7c983bbc429e9840837ad4cf17e16
13. 0x4e311d836f53bce1d38273217ead32c9dfd4eac156e4e78fc865e52c86afda83
14. 0x4dedfee32d37ea3cdc60e339d676b411d314f945b00a30f8e3bd1e0470526cf9
15. 0xc21e7661f5d6220994a88cc71b1262eeee3b912a2d383d18f38a631c534bfd71
16. 0x32beeeb960280bc48748681cb10297ede9403461fe9c8143fdf946548e552926
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae