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In this paper, we describe an OAIS aligned data model and architectural design that enables us to archive digital infor- mation with a single core preservation workflow. The data model allows for normalization of metadata from widely var- ied domains to ingest and manage the submitted information utilizing only one generalized toolchain and be able to create access platforms that are tailored to designated data con- sumer communities. The design of the preservation system is not dependent on its components to continue to exist over its lifetime, as we anticipate changes both of technology and environment. The initial implementation depends mainly on the open-source tools Archivematica, Fedora/Islandora, and iRODS.
Accessing information packages with Islandora is straight forward, albeit not so much when they reside within a federated data management environment. In our case, dissemination information packages live in the Fedora object store for immediate access. The archival information packages are stored safely in a hierarchical storage infrastructure managed by iRODS and are only accessible for administrative and preservation action purposes. We present a data model that supports both use cases utilizing just a single Islandora instance. To integrate with iRODS, we developed an Islandora module to display and deliver data and metadata from the storage location. This solution also allows us to extend the system with further preservation workflow actions that will be required in the future.