Evidence row 19454

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://qr-top.com/api/mcp"
    ],
    [
      "web",
      "https://qr-top.com/en/docs/mcp"
    ]
  ],
  "name": "QR Top",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-08-11T10:46:44.168313Z",
        "status": "active",
        "statusChangedAt": "2026-08-11T10:46:44.168313Z",
        "updatedAt": "2026-08-11T10:46:44.168313Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Dynamic QR codes by chat: edit destinations after printing, smart routing, and scan analytics.",
      "name": "com.qr-top/qr-top",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://qr-top.com/api/mcp"
        }
      ],
      "title": "QR Top",
      "version": "1.0.0",
      "websiteUrl": "https://qr-top.com/en/docs/mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Dynamic QR codes by chat: edit destinations after printing, smart routing, and scan analytics."
}

What the leaf hashes

{"body":"cbb12393d9f6f2c8237cfd2247756b33dfde109fa3ffbd4c0689fdebb1d88419","id":19454,"kind":"listing","method":"baseline/1","observed_us":1793025331848319,"prev":null,"subject":"mcp_registry:com.qr-top/qr-top","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xece38b7889af2f31759b99d38e58c18b30eb0c3f4b3c582851095426ed625ddf
2. 0x7205e5bfa1b0f8274f6410d4a234115a133c458a85d75e2838d00d28d0ec92db
3. 0x4207e7e77506177ea91d405eceea5640bda73d81c1bc54be926f15a70f2f5bf3
4. 0xc8e7cc5fe81017c910bcd2b489590f1a25047af1016e9d326f9ca178af0c7508
5. 0x5ae0bc38407cbb3c0643654b84f4a29a99fcc5ed9ee5580c0ba8995c5e16ae62
6. 0xc866562827e9cfcd1dc3f186f3985f8a91da6ea89599946b1c9a0b357f46fe16
7. 0xb29a95e6bece497b0303f9790a62d925c5ba2f243c855cb5ba24f3a11ca09adb
8. 0x0c70abb3af5ff53ba6886b632aba2668d90949e1976959b7d62e74c62ee518b7
9. 0x8c91c245df8c0f29a1f183f723aa393ea8ddb939bda6e40565b124a1cfbfff4e
10. 0xf333b1fb4291fc66aba3c2430863d37b43610cc7bcfcad50c56770f5a796facc
11. 0x3f07a2115848067024e2992cb2c05a86eb8d02df5abfcead8bc47854e501603e
12. 0xe158f09cdbfb4f7be1bfd45fce3afcad32c2b3bb2fc2e181dadc193bbf194bfc
13. 0x746e9e5b6765727b6b96f41204cc115b0302259f6c67be0cf0efbf245601d500
14. 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae