PGAEncodeRealAsBinary(3) on Linux
The text 77d06603f6df, as Debian 3.1 (Sarge), Debian 3.0 (Woody), Debian 2.2 (Potato), Debian 2.1 (Slink), Debian 2.0 (Hamm), Debian 1.3 (Bo), Debian 1.2 (Rex) shipped it. The page shows this text now.
encodes a real value as a binary string