My personal PGP key is the following: 0x842807a84573cc96.

pub   4096R/4573CC96 2014-06-23 [expires: 2018-07-01]
      Key fingerprint = E722 B5B7 3CA7 FA93 5FC1  AA09 8428 07A8 4573 CC96
uid                  Pierre-Olivier Mercier <nemunaire@nemunai.re>
sub   4096R/9D2855C3 2014-06-23 [expires: 2018-07-01]

My favorite distribution is Gentoo, for 7 years now.

I always have a different SSH key pair per machine. The aim is to really never copy my private key from a machine to another over network or USB stick.