What is material inconsistency regarding the basis of an applicant's asylum claim?

authorities. See 8 U.S.C. 1158(b)(1)(B)(iii). In her application and at her asylum interview, she described being beaten when she was first detained and interrogated, but she did not mention other beatings. Moreover, despite being asked at the interview to provide more details about her detention, she added only that she was interrogated on the ensuing days, not that she was beaten. In contrast, she testified that she was beaten three times per day, each day of her detention. This inconsistency, alone, is substantial evidence for the adverse credibility determination because it concerns the sole incident of past persecution that is the heart of her claim. See Xian Tuan Ye v. Dep't of Homeland Sec., 446 F.3d 289, 295 (2d Cir. 2006) (a material inconsistency regarding the basis of an applicant's asylum claim is substantial evidence of adverse credibility).