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Release Verification

Process Bus Timing Lab releases are designed to be portable and easy to verify.

Recommended download

For most users:

PtpLabClock.App.win-x64.portable.exe

For command-line validation, RAW self-test, and scripts:

PtpLabClock.Console.win-x64.portable.exe

ZIP packages include the executable plus LICENSE, NOTICE, third-party notices, and a quick release README.

Verify checksum

Download checksums.txt from the same GitHub Release as the EXE.

PowerShell:

Get-FileHash .\PtpLabClock.App.win-x64.portable.exe -Algorithm SHA256
Get-Content .\checksums.txt

The hash printed by Get-FileHash must match the corresponding line in checksums.txt.

Windows SmartScreen

Portable EXE files are not code-signed yet. Windows SmartScreen may warn on first run, especially for new open-source releases.

This warning does not automatically mean the file is unsafe. It means Windows does not yet have reputation for that executable/signature. Verify the SHA256 checksum from the GitHub Release before running.

RAW NIC requirements

RAW NIC mode requires:

  • Windows 10/11.
  • Npcap installed.
  • Administrator rights when required by local policy.
  • Wired Ethernet or a controlled lab adapter is preferred.
  • Wi-Fi, VPN, loopback, and virtual adapters may not support injection or self-capture consistently.

Safety boundary

This software is a lab simulator and diagnostic companion. It is not a certified PTP grandmaster, GPS clock, hardware-timestamped timing source, or relay-acceptance reference.