gm-create_datamatrix(1) on Linux
The text 74a970fbd7fd, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it. The page shows this text now.
create a datamatrix QR code from within GNUmed