The phrase "authenticity of acts" is correct and usable in written English.
It can be used in contexts discussing the genuineness or truthfulness of actions or behaviors, often in legal, philosophical, or artistic discussions.
Example: "The authenticity of acts performed during the ceremony was questioned by the observers."
Alternatives: "genuineness of actions" or "validity of deeds".
It is also the legacy of a state born in martyrdom and violence, created around the romance of the deed, whose origins are steeped in the pseudoreligious cult of the transformative blood sacrifice and purging authenticity of the acts of a committed minority that al-Qaida or Hamas could recognise.
I never doubted, and still don't doubt, the authenticity of his act.
Maintaining integrity in your identity is to possess a sense of authenticity; to act in ways that preserve your deepest beliefs and commitments rather than conform and cave into other's expectations.
It is poor timing that the group embark on their first UK tour just as a backlash develops against the increasing numbers of acts aiming at authenticity via vintage instruments or threads.
The Lithuanians did not produce any surviving records themselves, except for a series of acts granting lands to the Livonian Order, but their authenticity is disputed.
The campaign was designed to embody the ideals of pragmatism, authenticity and the act of getting things done.
This acted to increase the authenticity of the third-parties referenced as initial sites were accessed; unfortunately, we were unable to find reliable VPN services for China, India and Brazil hence the exclusion of these sites.
If a seller keeps on insisting you to wire transfer for making payments, do not act unless you are sure about the authenticity of the deal.
The authenticity of the task in which students were expected and empowered to act as professionals: formulating a research project and defending it for a jury.
Questions of authenticity of information.
