Hashing / Hash / Hash Value


A statistical method used to reduce the contents of a Document to a single, fixed-size, alphanumeric value, which is, for all intents and purposes, unique to a particular Document; the single, fixed-size alphanumeric value resulting from Hashing a particular Document. Common Hashing Algorithms include, but are not limited to, MD5, SHA-1, and SHA-2. Hashing and Hash Values are typically used for Document identification, Deduplication, or ensuring that Documents have not been altered. 1

See Also


  1. Maura R. Grossman and Gordon V. Cormack, EDRM page & The Grossman-Cormack Glossary of Technology-Assisted Review, with Foreword by John M. Facciola, U.S. Magistrate Judge2013 Fed. Cts. L. Rev. 7 (January 2013).
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