Although purporting to be of ancient origin, it is now generally regarded as a literary forgery, most probably authored in the 16th or 17th century by Azar Kayvan, the leader of the Zoroastrian Illuminationist sect.
The text's claim to antiquity is disputed; it is believed to be a forgery, most likely written by Azar Kayvan, the head of the Zoroastrian Illuminationist movement, in the 16th or 17th century.