You can’t built it yourself but you can download the model and run it locally on your machine without it interacting to any server.

There is a community-driven project aimed at making a fully reproducible version called Open-R1. You can find it at https://github.com/huggingface/open-r1.

It’s semi-open, not fully open source as what is typically thought of.

I usually use a dehydrator for ~3 days on my drives to make them shelf stable. So far I haven’t had any issues.