/usr/lib/libblacsCinit-openmpi.so.1 is in libblacs-mpi1 1.1-31ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libblacsCinit-openmpi.so.1.1
/usr/lib/libblacsCinit-openmpi.so.1.1