Exhibit 32

    CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO
                 SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


         In connection with the Fiscal Quarter End Report of Authentidate
Holding Corp. (the "Company") on Form 10-Q for the period ending September 30,
2003 as filed with the Securities and Exchange Commission on the date hereof
(the "Report"), the undersigned, being, John T. Botti, Chief Executive Officer
of the Company, and Dennis H. Bunt, Chief Financial Officer of the Company,
respectfully, certify, pursuant to 18 U.S.C. ss.1350, as adopted pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002, that:

         (1) The Report fully complies with the requirements of Section 13(a) or
             15(d) of the Securities Exchange Act of 1934; and

         (2) The information contained in the Report fairly presents, in all
             material respects, the financial condition and result of operations
             of the Company.


Dated: November 12, 2003



/s/ John T. Botti                                   /s/ Dennis H. Bunt
- ------------------------                            ----------------------------
Chief Executive Officer                             Chief Financial Officer



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