The testing version of the piratepack Gentoo overlay
The public key used for signing is available here: https://piratelinux.org/public.key.
You can use this by adding the line
https://piratelinux.org/repo/piratepack-testing.xml
(tab at the start) to /etc/layman/layman.cfg, after your list of XML files for remote overlays, which is normally
overlays : http://www.gentoo.org/proj/en/overlays/repositories.xml
Then fetch the list of overlays with
layman -L
Add the overlay with
layman -a piratepack-testing
Sync the overlays with
layman -S
Then verfify the PGP signatures in the Manifest files in /var/lib/layman/piratepack-testing.