OAIS is the primary model for building preservation systems.
There is a paper from Los Alamos about integrating OAI and OpenURL with an OAIS model.
There is a paper on bottom-up preservation issues that may also be useful.
The architecture of the LOCKSS system may be a useful guide, but LOCKSS currently relys on each participating institution "owning" a copy of the item. This is most useful for electronic journals.
Portico is a preservation archive for e-journals, based on Documentum. They perform extensive validation before accepting data into their repository.
The Florida Center for Library Automation is developing an archive system. This may provide some ideas, and they may eventually release code that we can use.
Meet with the HPSS people to find out about their long-term plans and how best to store files. Can we
eventually store lots of small files (page images)