 The opinions of scholars are divided on the origins of this apocalypse, but a date later than Ephrem (A.D. 306–373) and pseudonymous authorship is advanced by some.As an example, C. P. Caspari (Latin text editor) and Paul Alexander advanced a date after the demise of Ephrem in 373.Caspari suggested a date between late 6th and early 7th centuries.