Evidence row 3395864

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": "2026-11-05T11:41:38.816867Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T11:41:38.816867Z",
        "updatedAt": "2026-11-05T11:41:38.816867Z"
      }
    },
    "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": "1.15.2",
      "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":"56bb81149eee577012fa872f10435bef2db39a1eec9c61462770395fff148fed","id":3395864,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793881287797473,"prev":2726302,"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. 0x1a97387cc4010c28c70abd6b038659b7790eb0f133d41ea2c8c1ff838f59564a
2. 0x9abe8c446447a332a679aa18e4a8e337bcc239bafa6da97c828231194fc607f3
3. 0xd27a6e2ac74f6677a3ac3822cddd38ac81b381dfe89a5380db9472f39ad84a9e
4. 0x99e1db2af6090f6ae54e13a0ad9b467839e3a388b905bd9055ea03baff616d73
5. 0x62fde54c5f29eabd9f3ddddd59e540e8a271ea3e2535c4365db75017a366807f
6. 0xf7e7fdbf9a1bfa113edd7acd2aa9b00a84955c0cfda2415bf52dbb44c8082db9
7. 0x23fb0fd8498475242d9dae9e864e59613918027e93d386a203339dd09aff3c2c
8. 0x6b5df3b3a821d46572879221a31e6d7b8e1a69854875661571ddd6246c9a5500
9. 0x5c76071dd3892244198e0a529f531d71e60519b46bf8e85f1062da4659ffbeea
10. 0xac0bbcac657e3546af63a55c5a10b4473c2382f4a0554bc26591e5413ec1a953
11. 0xbfe34b93e917545790cacd4d1f0662c9f831bc3a9809939a085d780266048e1d
12. 0x55ab4991908b86d7bffad433363f29cb19016503d0f732938cd94f5204c5fa91
13. 0x6b9a16b5365e852e5af60893c7a0b60accab440b4313038a1003cbc66c846052
14. 0xdd6fa898dc2d1128c5a90a4bab70abf6cb81c974df099096ad3573f2fd245ace
15. 0x7c0ecb381cdd978337dc5ff40a1a1db43aaef42628e17d5c85ef5bf173d90fbe
16. 0x0009f1567d5c3f52d167d3c95d53c71fb66114fc26e83679b452d6db2f1d0b95
17. 0x0cdf39687556f127f9de2f03ec7df8e10e613bf9487760cbe3eaaaa02d8d48b4
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94