The phrase "authenticity regarding" is correct and usable in written English.
It can be used when discussing the genuineness or truthfulness of something in relation to a specific subject or context.
Example: "The authenticity regarding the historical documents was confirmed by several experts in the field."
Alternatives: "genuineness concerning" or "truthfulness about".
So we could have authenticity regarding the difference between the way a colonel would salute a major, or a field marshal, or the Fuhrer.
Unlike other African- based entertainment projects that choose not to shoot on location or even stick to any form of authenticity regarding country history (think Tears of the Sun shot in Hawaii), The No. 1 Ladies Detective Agency shot its 105-minute pilot for HBO on location in Botswana and showcases authentic, local clothing styles that are as prominent as the colorful characters.
Authenticity issues regarding Rembrandt's etchings have also arisen, albeit to a lesser degree than with the paintings and drawings.
The international press suggested that, thanks to the application of these methods, the RRP was about to eliminate once and for all any doubts regarding authenticity.
Hence in order to move ahead with the actual patient care management conformation regarding authenticity of the belongings of tissue had to be determined.
The researcher applied several PRA research tools in gathering opinions from Iban communities regarding authenticity and preservation of their culture for tourism purpose.
Authenticity -- both regarding where she is in life and who she is as an artist -- is of paramount importance, Watley says.
There has been significant controversy regarding authenticity of Laudabiliter, and there is no general agreement as to whether the bull was genuine or a forgery.
Research carried out for the BBC Trust by Loughborough University found that 74% of the UGC clips had been broadcast by the BBC without caveats regarding their authenticity.
In the spirit of Polo's journey -- and to prove a point regarding the authenticity of his account -- they disdained airplanes, traveling by foot, on horses and camels and by jeep, boat and train.
On March 16, after the documents' release was approved, Mr. Negroponte's office issued a terse public announcement including a disclaimer that remained on the Web site: "The U.S. government has made no determination regarding the authenticity of the documents, validity or factual accuracy of the information contained therein, or the quality of any translations, when available".
