A 2013 Human Genetics review by Ostrer, Skorecki and colleagues[1].
The engine treats it as part of the settled scientific record on Jewish population genetics.
The comprehensive review of Ashkenazi and broader Jewish population DNA confirmed ancestry from a founding population in the Levant (the Middle East) and rejected the 'Khazar hypothesis.' It's part of the 2010-2025 body of genetic-consensus work.
It's the mainstream scientific baseline the engine uses when questions of Jewish population origins come up.