Patent ID: 9053142
Filing Date: 2015-06-09
Classification: G06F,G06Q,H04L

Abstract:
1. A computer implemented method of establishing date evidence for a document, the method executable by a processor, the method comprising: receiving an electronic copy of the document onto a non-transitory computer readable medium; generating a first integrity verification code (IVC) for the document; receiving a first closed document dating list (DDL) edition; searching, within the first DDL edition, for an IVC matching the first IVC; responsive to identifying the matching IVC within the first DDL edition, generating a report to indicate that the first IVC matches an IVC within the first DDL edition; generating a second IVC for the first DDL edition; receiving a date-asserted IVC; comparing the second IVC with the date-asserted IVC; responsive to determining that the second IVC matches the date-asserted IVC, generating a report to indicate that the second IVC matches the date-asserted IVC.