Possible Results:
autentificaba
-I was authenticating
Imperfect yo conjugation of autentificar.
Imperfect él/ella/usted conjugation of autentificar.

autentificar

La existencia de los monstruos de los cómicskaiju se autentificaba por medio de una serie depublicaciones anatómicas que se remontan a principios de los 60.
The figures of the kaiju-cartoons were authenticated by a series of anatomical publications as early as the 1960s.
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