Evidence row 1499891

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api.justqrs.com/mcp"
    ],
    [
      "web",
      "https://justqrs.com/docs"
    ]
  ],
  "name": "JustQRs",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T16:39:51.878561Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T16:39:51.878561Z",
        "updatedAt": "2026-10-31T16:39:51.878561Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Make QR codes: free static images, dynamic codes you can repoint after printing, scan analytics.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://justqrs.com/logo-512.png"
        }
      ],
      "name": "com.justqrs/qr-codes",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://api.justqrs.com/mcp"
        }
      ],
      "title": "JustQRs",
      "version": "1.0.0",
      "websiteUrl": "https://justqrs.com/docs"
    }
  },
  "source": "mcp_registry",
  "summary": "Make QR codes: free static images, dynamic codes you can repoint after printing, scan analytics."
}

What the leaf hashes

{"body":"9b5b907734acbea77c50610be9b5ee4076d72a8e5c2dc13454dca24d73e31985","id":1499891,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793466973214207,"prev":null,"subject":"mcp_registry:com.justqrs/qr-codes","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x72c1562460861a7296da27557e18050ddf2f302933efe54327a186626083ffdf
2. 0x55978412bd553e67ee9208b43db972a0898c17739d10f2da60e5570ac9996aae
3. 0x2c2bd2d3b4f11c25ba92ed60d6be1bae449616166a7f9881eeeeb74548ac7e44
4. 0x27cb0822c87db2a187c1e88a5cdf7f2fc25fef3ae0bfb6100671cb751c19984a
5. 0xd7623b082d2a1326d6082e23f712f0bc820721c7709b863f92be7cc3d8535879
6. 0xacae363837071ba5c46acc1ccd8f95071acb602dffd3e3e97e4d84a0ecd1f8ca
7. 0xbaa2840d30fb49c0af307207bc603d11852f8ec904b55ee50b47ee1a6d40f57f
8. 0x87d73e418f9b4c9fe7751f5c7f9a7e7c72c9a644a054086ad73e543fffae1e39
9. 0x812558af53894743d310ac971e0ab0972deaff45c411d5cc3c95674cc9c2b476
10. 0xb144aceea6d1669c62c0c5583e3dcd9db643d8abb93dd56548fad86942ef65fb
11. 0x1877d208b3b33b1ba06f0ae8cca1be4f99909183265a6afaf66f8ea507d870ca
12. 0x814878fb61963225d212f065c4627f50baa38320fe9eaa2470206752508252c4
13. 0xcd5e7734bd8848fcbd68ddd77d7fb326e0e8f4beccfaf7423728dad7030eeb6f
14. 0x41e1f7c43ac5b235ed2b70fcc7418dedf8f488e17dfa6d5347558c4b213497ea
15. 0xda82240eda32eeb01478d5898342fa15b35b5682549347c7a22660b37913617f
16. 0x919f237dec4df392868ab95f1d4300b185479ae64464cbc2e7385ad1fd6ab390
17. 0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0