/usr/lib/libpigment-imaging-0.3.so is in libpigment0.3-dev 0.3.17-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libpigment-imaging-0.3.so.11.0.0
/usr/lib/libpigment-imaging-0.3.so.11.0.0