/usr/share/doc/libopentoken4-dev/examples/ASU_Example_5_10/ is in libopentoken4-dev 5.0a-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libopentoken4-dev/examples/ASU_Example_5_10/Example.txt
/usr/share/doc/libopentoken4-dev/examples/ASU_Example_5_10/README.text
/usr/share/doc/libopentoken4-dev/examples/ASU_Example_5_10/asu_example_5_10_lr-run.adb
/usr/share/doc/libopentoken4-dev/examples/ASU_Example_5_10/asu_example_5_10_lr.ads
/usr/share/doc/libopentoken4-dev/examples/ASU_Example_5_10/asu_example_5_10_rd_commute-run.adb
/usr/share/doc/libopentoken4-dev/examples/ASU_Example_5_10/asu_example_5_10_rd_commute.adb
/usr/share/doc/libopentoken4-dev/examples/ASU_Example_5_10/asu_example_5_10_rd_commute.ads
/usr/share/doc/libopentoken4-dev/examples/ASU_Example_5_10/asu_example_5_10_rd_list-run.adb
/usr/share/doc/libopentoken4-dev/examples/ASU_Example_5_10/asu_example_5_10_rd_list.adb
/usr/share/doc/libopentoken4-dev/examples/ASU_Example_5_10/asu_example_5_10_rd_list.ads
/usr/share/doc/libopentoken4-dev/examples/ASU_Example_5_10/gen_stacks_bounded.adb
/usr/share/doc/libopentoken4-dev/examples/ASU_Example_5_10/gen_stacks_bounded.ads
/usr/share/doc/libopentoken4-dev/examples/ASU_Example_5_10/simple_integer_token.adb
/usr/share/doc/libopentoken4-dev/examples/ASU_Example_5_10/simple_integer_token.ads