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Checksum: Also called a hash, a checksum is a randomly generated piece of data that is used to verify the fixity of a digital object (see below). It is most commonly used to detect whether a digital object has changed over time.
DPN Charter Member: An institution or organization contributing financially to establish and support DPN prior to June 30, 2013 (current members). Initial DPN Depositors must all be Charter Members.
DPN Depositor: An institution or organization working directly with an individual DPN Node to negotiate contracts, determine service levels, and deposit materials into DPN via the First Node (see below).
DPN Digital Object: An individual preservation item of preserved digital content. See also Bag.
DPN Charter Member: An institution or organization contributing financially to establish and support DPN prior to June 30, 2013 (current members). Initial DPN Depositors must all be Charter Members.DPN Node: DPN Node: Content is held in DPN at nodes. These are individual organizations and institutions that provide storage and preservation actions for DPN Depositors.DPN will replicate the content from the First Node (see below) to other DPN Nodes, also known as Replicating Nodes. Content in Replicating Nodes will be held “dark”, and inaccessible except for preservation actions.
First Class Digital Object: A DPN Digital Object that is audited and its integrity is maintained. A First Class Object may contain Second Class object(s). Second Class objects are not individually audited.
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Ingestion: The process of bringing DPN Depositor content into the network. Ingestion happens via a DPN First Node.Node: Content is held in DPN at nodes. These are individual organizations and institutions that provide storage and preservation actions for DPN Depositors.
Package: Organizing and grouping content into discrete units, particularly for storage and data transfer. DPN will be using Bags as an organizational unit. (See "Bag" above.)
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