The phrase "confirm authenticity" is correct and usable in written English.
It is often used to state that something has been verified as genuine. For example, "This letter of certification must be accompanied by a notarized signature to confirm authenticity."
An administration official declined to confirm authenticity of the document, but said Monaco has never exercised any such temporary authority.
Each existing NSEC-record, of whom as many exist as names exist for a domain, is ultimately signed by an RRSIG-record to confirm authenticity of the claimed non-existence.
Now as for getting other sources to confirm authenticity; many people -- especially those dreamy bloggers who think they can do a better job from the comfort of their own home -- tend to forget that this is a crisis happening in a country ruled by one of the most secretive and autocratic regimes in the whole world.
Rigorous precautions were taken to prevent contamination, and independent centers were used to confirm authenticity of findings.
Stringent parameters (depth of coverage, Phred quality score) were established to ensure that polymorphisms culled from the database were correctly delineated, and representative SNP cohorts were manually inspected to confirm authenticity.
A Classic Corvette Specialist knows what to look for to confirm authenticity.
The ESI MS confirmed authenticity of ZIGF1R:4551-GGGC as the deconvoluted mass (6297.0 Da) was in an excellenthegreement with the theoretical molecular mass of 6297.0 deconvoluted
Apple declined to confirm the authenticity of the e-mail.
There was no way to confirm the authenticity of the statements or the video.
Virgo was deputed to return the documents and confirm their authenticity and publication went ahead.
No other media outlet has yet been able to hear the tape, or confirm its authenticity.
