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Microstructure Based Indicia Joshua R. Smith Andrew V. Sutherland
 

Summary: 1
Microstructure Based Indicia
Joshua R. Smith Andrew V. Sutherland
Escher Laboratories Escher Group, LTD
101 Main Street 101 Main Street
Cambridge, MA 02142 Cambridge, MA 02142
jrs@escher-labs.com
Abstract
Value indicia are marks printed on paper
that prove that a particular service has been
paid for, one prevalent example being the
postal meter mark. This paper explores
systems for producing and verifying value
indicia that prevent the indicium from being
fraudulently copied, by binding the indicium
to unique and typically random
characteristics of the physical substrate on
which it is printed. Thus a copy of a valid
indicium will not itself be valid, because of
the mismatch between the substrate

  

Source: Anderson, Richard - Department of Computer Science and Engineering, University of Washington at Seattle

 

Collections: Computer Technologies and Information Sciences