Evidence row 2726302

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": "2026-11-03T22:29:51.059567Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T22:29:51.059567Z",
        "updatedAt": "2026-11-03T22:29:51.059567Z"
      }
    },
    "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": "1.15.1",
      "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":"5ec135390952addf03aa941346c6adc81f33dda9124396e4297b08537682c908","id":2726302,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793747991768702,"prev":2564448,"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 2026-11-03 (425475 rows).

1. 0xfd4ea9263d3ba0c60673a85e6be6ddca8330fd314bf8a6cd44ebbb3b597f1444
2. 0x830a61006d81c793286dc5c9ce0b1a94b3bdedac7bb280abef4ce30983a7b047
3. 0x0ecced33b9d0a3f4436370b14fc48fe7590179d01ce06c71609c012e42ca8488
4. 0x6932d947967b580238a3a7aac687b4fbf84be203ebaa5a423d453d5d0e57af31
5. 0xd9f614204b94ebb8b8f9e44371901c1be627d8a9fbb39c670d56dfc3f37ce7a3
6. 0x6a88813e695237b64a618c0a94ed445a5b248007cecf9d60d16dec6e1c2eb011
7. 0x5c849e115f8cf0d3ab5581298593c37add8d24bccb0992d19f1d93e100f150fe
8. 0xa9d7559c457625da3623f59f559fdd2e4c7d71d831a069777eb891059f0f38cd
9. 0x19e09388aa98baf049d59a2c4dbb9d255e6c3e3b9299bf65fee8ef2150f7effc
10. 0x499c2ded4b2cfc429a59bf6508e177087d773e2fe340e957f0f283ad76a16f55
11. 0xfc6e95a3aa08288dc966a0cc9b3319e1e1943030f6154b3a614ecf3eec6261a8
12. 0x9beebae23e6ebd6d6b0bb00c7002e82c7e42625499974c6c936c5fe24f9a0f37
13. 0x60079cfab9dfee47546954dca240be72c67c7307edb40b9efb6dcbc22b705c62
14. 0x271cba1af45ae2133bb70993d2a8662bbad7bb8e8e0ab720853251f29efaee6d
15. 0xaaf692e701ee622e9e0fa24c7d0f9f672df8c586de5a6f0375f8cadaf0c678a1
16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7