If you ever need to check a CVS history file's timestamp:

A4eb172bd|myaccount||Module/Dir|1.1|yopla.c

$ perl -e 'print unpack("N", pack("H8", "4eb172bd")) . "\n"'
1320252093
$ date -d "@1320252093"
Wed Nov  2 17:41:33 CET 2011
$ perl -le 'print 0x4eb172bd'
1320252093
$ 
Comment by Anonymous Tue Dec 11 23:06:34 2012