Evidence row 2505017

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://quantumcompanies.fyi/mcp"
    ]
  ],
  "name": "io.github.pooriaarab/quantumcompanies",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-03T01:30:57.074818Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T01:30:57.074818Z",
        "updatedAt": "2026-11-03T01:30:57.074818Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Find the companies building quantum technology.",
      "name": "io.github.pooriaarab/quantumcompanies",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://quantumcompanies.fyi/mcp"
        }
      ],
      "repository": {
        "id": "1425093046",
        "source": "github",
        "url": "https://github.com/pooriaarab/directory"
      },
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Find the companies building quantum technology."
}

What the leaf hashes

{"body":"a5410ee45f7ea3d55f6d9499e6c1736f41c893a851a24fae1b194cddd53c6f8d","id":2505017,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793672337353008,"prev":null,"subject":"mcp_registry:io.github.pooriaarab/quantumcompanies","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. 0x99bf562613ddc23824f7ca86ea677b6e1e6ff042b9a44e8c67bddd2f76593044
2. 0xcf79896c08b38730cc020e39a99be32237e9d358736a19d09c867a6a97374b5c
3. 0x5f0a8e5459e5fa77518dee41cef753346ce5f84d0d7d61a9e5d41023ac8651b0
4. 0x5ce8ade7d2935086b94f704ea1dcfee6fa8ac3165ba5358906c345e6541e561f
5. 0x7bb4640170c9a038c3e8046ce093f10ab0acd1f936d07639b453c5d0c9db62c0
6. 0xb4f69aed943d9f5ac4670781e149253356be774a8f2298d20f87e1de27eaff73
7. 0x369f10a7217dab49f72a5d2c9131388b544f23566ad8de784cacf7626d9c1e58
8. 0x177936592a17b422fcc252d2c2c7955b5dfe958e951edb1c7021a1e1441d9bae
9. 0xa00eb13f8913217f6e5d288b6e5f5aa129d613758c86ddf96e5af6156e020f53
10. 0x5be0998ac95007d3d0d1b0bec0127a16010c3fc4265492a8cecd3ec5f6a3e572
11. 0x7213abc3b073b11e10ab782304691b87f942a9b7a8039cdf65b5779d776039c5
12. 0xe96c3e9661ba818444523b64b69e1c93799e202d182e14e10495bf7bc6acf0d6
13. 0x047541275fbded65ddbf146d04bc8eb09e9b534f8e8c3e57ae4e8bfffd8bcb21
14. 0x7657cb1e96189305f3276517cf3716f7cacdef06e4b876b60d2c0bd8b60fda96
15. 0xbdd3407977f70b26d0af6e874d984fe982a78bf95057b70049009db10e525ebc
16. 0x77587d79b39ec04901214373cabf0c9651bc2cf065dc080615a260064314c4a5
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7