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iThenticate: The Plagiarism Prevention Tool

Using iThenticate at CMU.

About iThenticate

iThenticate is a plagiarism prevention tool that compares documents (including journal article manuscripts, proposals, research reports, thesis, and dissertations, etc.) against millions of published works available through the Internet and subscription databases.


It is the anti-plagiarism software platform currently used by the NSF, and is an optional tool now available to all CMU Faculty, Staff, Researchers, and PhD Students to check their manuscripts and grant draft proposals prior to submission to guard against any future claims of plagiarism or self-plagiarism.

Accessing iThenticate

Utilizing iThenticate is optional. The CMU subscription to iThenticate authorizes a limited number of accounts. It is available for all CMU Faculty, Staff, Researchers, and PhD Students.

It is not appropriate to use iThenticate to check student coursework. Instead, faculty are encouraged to use Turn-it-in via Canvas.

iThenticate User Manual


  • Can accept documents up to 400 pages or no more than 40MB 
  • Allows for collaboration
  • Compares manuscripts against its database of over 60 billion web pages and 155 million content items, including 49 million works from 800 scholarly publisher participants
  • Does not store a copy in a database


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Emily Bongiovanni

This guide was first published by former Scholarly Communications and Research Curation Consultant Librarian, David Scherer.