open
mail ulrich|at|gmx|dot|de
mastodon @hirtlitschka@chaos.social
academia hirtlitschka
zotero hirtlitschka
encrypted
xmpp hirtlitschka@jabber.ccc.de
mail public-key
mail signatur
impressum hirtlitschka.de/contact/impressum/
open
mail ulrich|at|gmx|dot|de
mastodon @hirtlitschka@chaos.social
academia hirtlitschka
zotero hirtlitschka
encrypted
xmpp hirtlitschka@jabber.ccc.de
mail public-key
mail signatur
impressum hirtlitschka.de/contact/impressum/