/var/lib/hp/hplip.state is in hplip 3.12.2-1ubuntu3.5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 | # hplip.state - HPLIP runtime persistent variables.
[plugin]
installed=0
eula=0
|