/usr/lib/libOpenImageIO.so.1.3 is in libopenimageio1.3 1.3.12~dfsg0-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libOpenImageIO.so.1.3.12
/usr/lib/libOpenImageIO.so.1.3.12