/usr/ is in ruby-uuidtools 2.1.4-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/
/usr/lib/ruby/vendor_ruby/uuidtools.rb
/usr/lib/ruby/vendor_ruby/uuidtools/
/usr/lib/ruby/vendor_ruby/uuidtools/version.rb
/usr/lib/ruby/vendor_ruby/compat/
/usr/lib/ruby/vendor_ruby/compat/securerandom.rb
/usr/share/
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/1.8/
/usr/share/rubygems-integration/1.8/specifications/
/usr/share/rubygems-integration/1.8/specifications/uuidtools-2.1.4.gemspec
/usr/share/rubygems-integration/1.9.1/
/usr/share/rubygems-integration/1.9.1/specifications/
/usr/share/rubygems-integration/1.9.1/specifications/uuidtools-2.1.4.gemspec
/usr/share/doc/
/usr/share/doc/ruby-uuidtools/
/usr/share/doc/ruby-uuidtools/copyright
/usr/share/doc/ruby-uuidtools/changelog.Debian.gz