jpeghotp(1) on Linux
The text a50d5a5d7b07, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch) shipped it. The page shows this text now.
find hot or dead pixels in otherwise black or white JPEG images
Flags it lists
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--comments -
--help -
--invert -
--threshold -
--version -
-c -
-i -
-t