Get the latest version of my PGP key from Hagrid on keys.openpgp.org or from this server. If you want third party signatures, you'll have to fetch it from my server.
If you want to verify my PGP key via other online identities, you can take a look at my keyoxide profile as well.
My fingerprint: 09E8 418B 46B5 3B0F 825D E4BE 018A CF46 5280 F466
You can write me an email here...
... or send me an instant message via matrix here: @jan.christian:gruenhage.xyz
I'm also around on Mastodon, here is my profile.