/usr/lib/x86_64-linux-gnu/libzeitgeist-1.0.so is in libzeitgeist-dev 0.3.18-1ubuntu3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libzeitgeist-1.0.so.1.1.4
/usr/lib/x86_64-linux-gnu/libzeitgeist-1.0.so.1.1.4