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Evidence row 3986469

Observed , by sync.mcp_registry/1.

Kind
listing
About
source_record mcp_registry:io.github.itsryanarmani/quantumcompanies
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
8be8e58847d3b5ce743614200c017cfb8b31b814c3a00e521dcb0d5a84933ed8
Leaf
0x74e6f2a48714b289e6d89e4778655a519756a4789a788a19e5a51f2b5d6c9be2

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://quantumcompanies.fyi/mcp"
    ]
  ],
  "name": "io.github.itsryanarmani/quantumcompanies",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T21:29:18.576072Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T21:29:18.576072Z",
        "updatedAt": "2026-11-07T21:29:18.576072Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Find the companies building quantum technology.",
      "name": "io.github.itsryanarmani/quantumcompanies",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://quantumcompanies.fyi/mcp"
        }
      ],
      "repository": {
        "id": "1425093046",
        "source": "github",
        "url": "https://github.com/itsryanarmani/directory"
      },
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Find the companies building quantum technology."
}

What the leaf hashes

{"body":"8be8e58847d3b5ce743614200c017cfb8b31b814c3a00e521dcb0d5a84933ed8","id":3986469,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794090323002844,"prev":null,"subject":"mcp_registry:io.github.itsryanarmani/quantumcompanies","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (195826 rows).

  1. 0x74e62924935fd0fa8d0fbe14526e97e3b94ecc6e5aa3698f00aad1eb53949817
  2. 0xcd1060bca8761788413b50229b59cc14e1019fa444862ef6244cd0149c5e57bb
  3. 0x3092b7abe319a966ca705411e0ee69f66260955745d2d690b3e621cfb12d956b
  4. 0x5955223da2995405811047cb4e1e9e591cada3e7baccf527a7c8e20dd85a42aa
  5. 0x7b25b2950f987df3cc3a55d56ccb862cc0089f118b8958d3e8f02802f16a4162
  6. 0x4c6fdd2828b5900979b273245e4633c497a572697c949f6026fde247b52bef8a
  7. 0x9e46b2e091e4914d9898c83605b2013c145ba91aeb305c4e83cd7b3a853102db
  8. 0xcd74dd7f309ffe9e2f28c264ffe9e9316c1a4ec7b31a455d37f9672851906c35
  9. 0x4491dea550353b66e37fe097bcab1cb9956627247ffe38fa595110a1022cb718
  10. 0xa02e771a2a7ad82111d90b588ce84a2629bfb79979a4b4d2c3d4cea09dd64fee
  11. 0xba8addb6c6fdb46f6d93c1bc4ff24e67093cf19a3a7134849a1ed7a4602c669c
  12. 0xb9917c5b67af23fc2d1b355e6fb9b15fb1e8a08466d2655c3204677864e6df2b
  13. 0x7d1dd5bb14b5375b9f1486e172c5a59a72474b2313d43fda1b9b089df406ebbe
  14. 0xe10968763bf5f376ed7bef52309abc0adc0394947582477a2899a3f332842d95
  15. 0xdda41bf8f8b807884588170276b0203d24918e4a5c47ba7f4d5d0217f85e0cf7
  16. 0x9108c80d13a11b7549b554924410a7c5d215a2cd03aee9659ca627cb099f1a2e
  17. 0x3b69f6d98c91b21287021db092e52491474f0d08438393ac130d6a3c273bcd4a
  18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c
Day root
0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d
Chained
0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb
Published
On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa

How to check it · This row as JSON