Solved
Model revisions
I asked this in the general academic area and was slow on following up.
How is the revision on parts changed such that old versions can be retrieved? i.e. A.# > B.1 ...
Robert, the Academic Windchill environment only provides Windchill ProjectLink, which does not support Revisions, only Iterations. Therefore, it is not possible to Revise something from A to B, only to increment it from .n to n+1. All items in your project will be listed as A.n.