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The OAIS Reference Model states: “The AIP is defined to provide a concise way of referring to a set of information that has, in principle, all the qualities needed for permanent, or indefinite, Long Term Preservation of a designated Information Object.”[1] It then goes on to say that the AIP contains the Content Information (i.e. the content the OAIS seeks to preserve) and the Preservation Description Information (i.e. that information which is used to provide trust, access, and context by the OAIS over an indefinite period of time). Finally, the standard states that “The contents of each type of PDI are left to the discretion of the individual Archive.”[2]
In defining the components of Emory’s Archival Information Package, the document will also define the components of the Content Information and the Preservation Description Information. This document is therefore broken up into two sections: Content Information Components and Preservation Description Information Components. In the Content Information Components section of the document, the DP-FRG enumerates which content files to include in the AIP and which content files to exclude. In the Preservation Description Information Components section of the document, the DP-FRG enumerates what metadata about the Content Information should be preserved by the forthcoming preservation repository.
This document does not assume to make recommendations around the structure of the AIP itself (i.e. how the AIP will be stored on disk or what the file layout for the AIP should look like) as we are aware of the ongoing conversations in the digital preservation community regarding this topic (OCFL, IMLS’s Beyond the Repository Grant and its subsequent grants, PCDM, etc.). Our hope is that the implementation team will follow these ongoing conversations and choose a direction that is in line with both the larger community’s goals and Emory’s preservation goals.
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The copyright and license status of the digital object helps to identify the access restrictions placed on the Content Information. This information should be a component of the PDI to ensure future generations can determine how the digital content can be accessed and re-used.
Once work on Rights Metadata is completed, the Digital Preservation Functional Requirements Group is available to consult with the implementation team on Rights Metadata’s inclusion in Emory’s AIP.
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Information identified in the Preservation Events and Workflow Recommendations[11] document should be included as a component of the PDI. This information documents the history of the digital object once the Preservation Repository takes custody and also includes information about the fixity of the digital object.
Depositors or their designates may deposit supplementary files that further provide information guaranteeing a digital object’s fixity and adding to the evidence to support the authenticity or Provenance of a digital object.
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