Electronic Copyright Management System Testbed

Judith Grass - CNRI

System Components and Information Flow

Figure (GIF - 14790 bytes)

Digital Objects

Examples of Works Incorporated in Digital Objects

Fingerprinting a Digital Object

          |         |
          |         |                 _
          |         |   =========>   |_|  
          |         |
          |         |              Tiny Fingerprint
      Large Digital Object
Fingerprints are maintained in an IR Server (known as the Registration and Recordation Server) along with Properties Records of all Copyright Registration claims; they may be used to authenticate digital objects at any time in the future.

Digital Objects and Handles

Handle Syntax

Handle Examples