What you can do is grab it by the changelist or date we post in
PMweb:
Patch: 5.0.4
Patch Status: Released (03/24/08)
Patch P4 Change #: 89595
For instance, in my perforce web or thick client it's called 'back-in-time browsing'.
Didn't realize we were inconveniencing anyone - I'll see if we can get a tarball up, but that was really intended as a temp thing while we moved from sourceforge > perforce cache.