Evidence row 3723395

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": "2026-11-06T12:09:02.787167Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T12:09:02.787167Z",
        "updatedAt": "2026-11-06T12:09:02.787167Z"
      }
    },
    "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": "1.15.4",
      "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":"27c68c809079d2fcad0721fc1dda935d97ad4bc3fc54be32640ab22dcbe67745","id":3723395,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793967737182510,"prev":3414114,"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 2026-11-06 (303443 rows).

1. 0xd8d61f93d7e908b912eb3f3600446b01aac7b7c2b03e7b90f0a7dc256e7104ca
2. 0x72551d712435ad98041ec9f840377d7369b1f5428382bf32b19610530c682e3d
3. 0xb1cee510ee1e861322d8b24de4869f5ad24f84d796a0b8c81c430ab531067e0b
4. 0x1fba8a35cf0eb87c8a86571dc230b1101dd25d094a6a35d2e3e9bd8cdeffbbbf
5. 0x77ea8421ce40ed5ab08c23c309eb44ca6864f5800a5a65626e3cc893f71f28ed
6. 0x338f15cceac6b055dc3e84dd91c8830be361c31a7526715dd6c73cfe137ed2f3
7. 0x949066e645d283acfa8a2dc83b3f54885e7c42c36176b1311c8c956d58718d20
8. 0x5817878a6a06c21c1988e50b23cb5d83c7f471909d652febbb8a4975d39bf0e8
9. 0xe58cd3ffff7000bc471b467ed804eb8092048a597a9b0d22f0830c5e520166fd
10. 0x096eff964e0e3cfca274bd486aecf743232dfc3bfc73b14b73fd2cfb5dc668b2
11. 0x59c21469c840c5f4b5045007ada620bf65301134475bd1fa3a92f07a2b169725
12. 0xa99e7333b35d45bc1b21832d6b338a0ea42dec225280e07f1ad058d95e7ee6dc
13. 0xab0bb45b1bc444d015527c8158fa06c09337b20aabcd9b2e528a7043a4abf432
14. 0xd90a2fccf1a85036b23ae580bdbabc69c97c990b1c22ec464024ea02758d60a5
15. 0x821ffa0a1fb7e66ffa8ce79fd755aa408c67dd0ef62aee573ea2278fcbd9823d
16. 0xd47209ac9b2ac71257b5162800ce4482f8cf7ea04f074033847ad335ca758d32
17. 0xf19d501fdbc28e10c3244253daf0c37c4752659eae14a7cba585a18c7df9ce0d
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1