发明名称 DIGITAL DOCUMENT AUTHENTICATION SYSTEM FOR PROVIDING A CERTIFICATE WHICH AUTHENTICATES AND UNIQUELY IDENTIFIES A DOCUMENT
摘要 <p>A process (10) for time-stamping a digital document is provided. The process provides a certificate (20) which not only allows for the authentication of a document at a later time but which includes a name (18) or nickname (19) which allows for the unique identification of the document at a later time. The name (18) or nickname (19) provided in accordance with the present invention is not only simple and concise but allows for the self-authentication of the document which it refers to. The name can be used when two independent parties desire to refer to the same unique document in a quick and simple way.</p>
申请公布号 WO1996013921(A1) 申请公布日期 1996.05.09
申请号 US1995013837 申请日期 1995.10.25
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