Verifying integrity of physical documents
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United States of America Patent
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Mar 20, 2018
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app pub date -
Aug 15, 2016
filing date -
Aug 15, 2016
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Abstract
For ensuring the integrity of a physical document, an apparatus is disclosed. A system, method, and program product also perform the functions of the apparatus. The apparatus for ensuring the integrity of a physical document includes a processor, a memory that stores code executable by the processor. The processor identifies an integrity symbol within a physical document, the first integrity symbol representative of content of the physical document, and converts the integrity symbol into an integrity map having at least two values, the integrity symbol being a symbolic representation of the integrity map suitable for printing. The processor compares content of the physical document to the integrity map to verify integrity of the physical document.
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