Evidence row 3414114

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": "2026-11-05T13:38:22.679774Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T13:38:22.679774Z",
        "updatedAt": "2026-11-05T13:38:22.679774Z"
      }
    },
    "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": "1.15.3",
      "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":"fba6873bb9761a3330911f630bff73dff0991d82d2b775da73638ff835bf5f21","id":3414114,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793888495788953,"prev":3395864,"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 2026-11-05 (322504 rows).

1. 0x655b2f48c952329a10a642f555f7dc4767caf57ec653e394c0b5f8ef1b7b4ced
2. 0x944665499460a5fce97125d1fe3a012bf4782363f2f42a025f92d3c1b17fea14
3. 0x858f60a8715ab1d624b809e052de4e70ce733d87572c3881a5699fe95dff883f
4. 0xea3f248a5ff14b52ce6e0545298eed76d04f25494d90b349f420c9c92691631d
5. 0x5fa9fedd8a3fe7895999f61bdd91f329902f0104d6fddc4b009eda53647f3248
6. 0x6fdd84091dac207ea1e18ab13c854981b0d424371eb2cd376424b4bb9bd6f7ec
7. 0xf7384f0d2ff385fb7980f0508ad72e62c7a71d0aa4110d9f6a7c194308642a95
8. 0x7975aed5368082cdb6d99f97fda16949fee74f90e7f378114eeb023a78c60520
9. 0x1ca73307a307397cc7a1420e4ee6c4cb452035e02f174c336410c67766fd5f9a
10. 0x7473b29d45b752048910f84da90946e79bfb010e885d4b2bcbb6ffd9d49d8c93
11. 0x09c194a609484f843df40bdf1894ea2ff85b86a195643ef1f8709e46eb17d1d8
12. 0x6ad4e2786d6f9c02dc48bdc66434b7f9bb6da654f991b1c6fc4093f5e4171cad
13. 0x2c853a09e4d19ed122d82be31645f0e7e3c6b5041a18f2bf4499b9cd2bfc414e
14. 0x46ef5af0b7f0274dcbd6f51f6acdc148191a732eb4945d58cf9ab96f1f37d590
15. 0xd1b826c1036e86032791eb321451282a424bfed64c08ff605cb756a1f89d4ee1
16. 0x01716548fb56e8e74ac29a1a638626afc662ed7e187bafcf089344de82365b83
17. 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94