Evidence row 1005262

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": "2026-10-29T07:45:37.775939Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T07:45:37.775939Z",
        "updatedAt": "2026-10-29T07:45:37.775939Z"
      }
    },
    "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": "1.8.0",
      "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":"0d1a36c3ea165cde530456b80350c2c471e2a199e8ca2e0fa10942dc4817aa7e","id":1005262,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793261579284795,"prev":800668,"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 2026-10-29 (242798 rows).

1. 0xa2ee5deea702c3667067d4980d0fd5a0ef82735b1e422bfe66845b6c539a2696
2. 0x6efeff2a0f5eeba61ef17c0d80610cd4661f04a1f6bb941fce715f938a0b26e3
3. 0x5bd63bef96f65c60fa3a7ed2141e8603e76592f4d8b550b686b5e84d840a48a9
4. 0x8f714293f5e1456204c4ca3a7aa095d15dafd317638b9abf2503327b78628678
5. 0xb68522f851848f0ca2fa720f1ca93596deffeb6ea4cd16922dde5e66c86c16ea
6. 0x2ad2ce5d6cec3dfcc36d5b344f75f0959d69cb6a8406f19681349b028902c5ff
7. 0xb46893a716d0df1dcbec0282b7ef586258c0fdd339f9cffb4e6422147b65b06d
8. 0x0abe874ca93b3fc262fe495074aa7ddcd8f649ad48740f1a3dace2781576a3ec
9. 0xf1191219deaa482b5f5a34a449dd65529ebfa878947b814930ac6617dd56170c
10. 0x67fc3627979d3267ae6e0514416bf70c20c435974652340c3400cf8ec730c2b8
11. 0xd0ecfafa3e8ba307fc580ce15b1ce00b675f2bc20718922ddd1c147f88ffbd68
12. 0xf196cc00b7672b10b3a40c5db4052812536b5c6d43c46a3ddd694d991d90a434
13. 0xca17a2e94b7421694732046a20cabe42947d7e7fe6cf159360aae143d4c787ab
14. 0x96603408ef495fb0a8106bb839ad20e6578c0c0fbded2a9b235438f5985b0f0b
15. 0x4a1f9fe26bf92c291485b5fb33b95d1917a994e417ac0526ccef55ede0a90a4c
16. 0xe38dc587bc010668982bd78025ac33d7326ffc2587f2de00e848da2718907ecf
17. 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1