Here’s a quick way to determine the version of Contribute Publishing Server (CPS) on your server.
In the address bar of your preferred web broswer, type:
Where <server> is the name of the domain or server, you might also have it running on a different a port than 8900 (default).
Before I knew about this trick, I was always determining the CPS version by the changes made in the User Interface from version 1.0 to 1.1. :S
If you have no idea what CPS is, then I’d suggest checking out: