How can I utilize pureboot restricted boot on any linux distro?

[FranklyFlawless]

GNU Guix is currently not supported by PureBoot:

@jonathon.hall

PureBoot and Heads do not work with Guix currently (Guixsd vs Heads - How to make it work together? · Issue #753 · linuxboot/heads · GitHub). You can switch to coreboot/SeaBIOS if you want to use Guix.