Preservation system for digitally created and digitally signed documents
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United States of America Patent
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Mar 4, 2008
Grant Date -
Aug 5, 2004
app pub date -
Feb 4, 2003
filing date -
Feb 4, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A method for preserving a digitally signed document (160) in a digital data preservation system (10). A secure preservation request (176) combines the document (160) with a preservation signature (174) that is generated using an identification mark (172) and the document's associated digital signature (168). Once the document (160) is authenticated by the digital preservation system vendor, both the document (160) and the identification mark (172) are recorded onto preservation media (210) in human-readable form.
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