Series: Beyond the Binary — The Baghdad Overwrite
Part 1: The Baghdad Overwrite
TL;DR:
The Qaḥṭān-ʿAdnān binary is a 9th-century administrative mnemonic known as the “Baghdad Overwrite,” created to manage the Umayyad and Abbasid tax and military systems. Modern genomics reveals a shared J1-P58 paternal backbone, proving that tribal identity was a socio-political technology, not a biological divide.
