PVCS is such a pain in the ass.
path to some random file in PVCS: //repository/PVCS/2008_10/MYORG-Java/foo/bar/pom.xml
where that file is stored on the PVCS filesystem: //repository/pvcs/repository/MYORG_MAINT/MYORG-Java/foo/bar/pom.xml
What you want to appear in the change set: 2008_10/MYORG-Java/foo/bar/pom.xml

This value is what's in bold above.