System and method for generating a signed hardcopy document and authentication thereof
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United States of America Patent
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Feb 2, 2010
Grant Date -
Oct 23, 2008
app pub date -
Jun 30, 2008
filing date -
Apr 14, 1999
priority date (Note) -
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Abstract
A system and method for generating a signed hardcopy document and authentication thereof is provided. A data representation including digital data is recorded from a hardcopy document. The digital data is compressed using a compression scheme including one of low-fidelity compression and symbol-based compression. An authentication token is generated from the compressed digital data. The authentication token is encoded. A signed hardcopy document including both the encoded authentication token and the data representation is printed.
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