/usr/bin/opencolladavalidator is in opencollada-tools 0.1.0~20160714.0ec5063+dfsg1-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/bin/../lib/opencollada/OpenCOLLADAValidator
/usr/bin/../lib/opencollada/OpenCOLLADAValidator