Digital document authentication system for providing certificate which authenticates and uniquely identifies document
A digital file, unique technology, applied in digital transmission systems, electrical digital data processing, electrical components, etc., can solve problems such as not easy to transfer to another person, uncontrollable form of name, unrememberable, etc.
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Problems solved by technology
 figure 1 It is a diagram of the first embodiment of timestamp processing according to the present invention, which is described below in conjunction with Figs. 2-4 describing various features of the present invention figure 1 . Such as figure 1 As shown, the present time stamping process 10 begins at step 11 where a user prepares a request for a certificate R of a certain digital file F. An example alphanumeric representation of such a digital file F is as Figure 2A shown. The digital file F can be in digital form, or any representation of alphanumeric text (such as Figure 2A shown), or video, audio pictures or other forms of reliable data (not shown). Although this process can be used for files of any length, the Figure 2A An excerpt from that adequately represents a document that is required to be time-stamped.
 According to the present invention, Figure 2B is the proof used to describe file F ( Figure 2A ) timestamp request R (by figure 1 An al...
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