Evidence row 3764659

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": "2026-11-06T19:35:20.958815Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T19:35:20.958815Z",
        "updatedAt": "2026-11-06T19:35:20.958815Z"
      }
    },
    "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": "1.16.1",
      "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":"70e5abbe7d5c56284fb37fa54806fdb09238a8867503cca560190837a8283032","id":3764659,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793996589209642,"prev":3723395,"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. 0x5c992060d3298e2212c664ff38859f6bb751c20e250b7f1c2a51652291a980f0
2. 0x4e5341c0d78685cdd904fd2b59b886ef9f436bbc2a13815dd9717324f72cd528
3. 0x6fd08b7c1b70ebecd4504ccd117c094573529362f8368b386e709b03b9849790
4. 0x4578f15bbd98b8c515b3df021de71e5ab3693b08d5272a72790da6279f806885
5. 0x2d4dcd92ab151d9ce8e9a650b42e9ab19aae49af89196108806889e0a9bc62af
6. 0xd065779077c782a60c2c0df9f88f28ce1e371cfbe3a7bdc77bd0ee6f00c6960a
7. 0x230699b9bfd16749cbba9852747d99603a3bd320a922a815db24680aef57debf
8. 0xf1034517d1f1cd9e20d285157d6efda6578c4f321f3fab212923f52ec0dbb837
9. 0xc336f275ae41ca12b95fb6be28e12c58a2a323e90dcdd7182b2904875dbe59ae
10. 0x08a98f9b393a7b4f43991bc901a7409b2806b07b1044c1e6b0e437d1e23576a6
11. 0xb24ae8d329f3551294117ba5f4c0c819c9da4a218f9138e3c1c3d687110ade21
12. 0x31f7bfa0ccf9a183837fca1ef2701622b768e7bbe76a12d39922d819817efde6
13. 0x426f01b2982c4c6782326c13870bf48a5b63534329fc9ce2f606abeb73594094
14. 0x436c32b517f221d6ad84bca91be0dd1a4a4c33e7297c776990ac7a95a4e2e423
15. 0xf5bd84a61225f062ef205a5e8dc4f170a403665fdfa49b2b923457e0386f3abe
16. 0x7a2e5c8104eb5015bfa08d52a9278aa0b4da48bd2fb98690cc2d1c225b5dc691
17. 0x4a618d78b1cebba8beec4ef22aaac9187dcdfb39064e0be537ca2600abb90740
18. 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1