Noun
authentification (countable and uncountable, plural authentifications)
The process of making, or establishing as, authentic.
Synonym: authentication
M. Al-Ayyoub, M. T. Irfan and D.G. Stork, “Boosting Multi-Feature Visual Texture Classifiers for the Authentification of Jackson Pollock’s Drip Paintings”, SPIE proceedings on Computer Vision and Image Analysis of Art II, vol. 7869, 78690H (2009). Source: Internet