diff --git a/vars/per-machine/petra/openssh-cert/.validation-hash b/vars/per-machine/petra/openssh-cert/.validation-hash
new file mode 100644
index 0000000..8f6093b
--- /dev/null
+++ b/vars/per-machine/petra/openssh-cert/.validation-hash
@@ -0,0 +1 @@
+7ad50062e5e5b733ef0ab78bfeaf222fdf2edaebfab16ce2502454347f40c830
\ No newline at end of file
diff --git a/vars/per-machine/petra/openssh-cert/ssh.id_ed25519-cert.pub/value b/vars/per-machine/petra/openssh-cert/ssh.id_ed25519-cert.pub/value
new file mode 100644
index 0000000..15035b4
--- /dev/null
+++ b/vars/per-machine/petra/openssh-cert/ssh.id_ed25519-cert.pub/value
@@ -0,0 +1 @@
+ssh-ed25519-cert-v01@openssh.com AAAAIHNzaC1lZDI1NTE5LWNlcnQtdjAxQG9wZW5zc2guY29tAAAAIKnMMbJ1kdgd2fvkknP8wNZ6CPJG50jcecz8a5SK6AnnAAAAIO6Ta58aLjO7YYRjSFF4HelSPK+DhwKk5AZhpzfwWKeMAAAAAAAAAAAAAAACAAAABXBldHJhAAAADgAAAApwZXRyYS5jbGFuAAAAAAAAAAD//////////wAAAAAAAAAAAAAAAAAAADMAAAALc3NoLWVkMjU1MTkAAAAgh9IoSV7Q/xX/EvgDWVfHmW4MIyOvx97Hz9zWXc8yerAAAABTAAAAC3NzaC1lZDI1NTE5AAAAQFTik+xyldaeB6XcZCcgRMB9Lg2gXq2FtlqrR6uTUM5skj+2bf5voUbtcnJPDG7t4cw+jRWmqwDdLCuGmJQ48wE= /tmp/vars-01n_qwjs/in/openssh/ssh.id_ed25519.pub