zftp(1) on Linux
The text 2d1c3d4358f7, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 5.0 (Lenny), Debian 4.0 (Etch) shipped it. The page shows this text now.
CERNLIB program to transfer ZEBRA formatted files over a network