It is one of the oldest surviving collections of
hadith; it exists in various manuscript collections, and printed versions are widely available. The original manuscript of the text has been lost, but it survives through secondary copies. It was first discovered and published in the 20th century by
Muhammad Hamidullah. This publication was a collation of two manuscript copies of Sahifa Hammam ibn Munabbih, one found in a library in
Damascus and the other in a library in
Berlin. == Sources ==