The Book of Pilgrimage
وَحَدَّثَنَا ابْنُ الْمُثَنَّى، حَدَّثَنَا عَبْدُ الرَّحْمَنِ، حَدَّثَنَا سُفْيَانُ، عَنْ مُحَمَّدِ بْنِ عُقْبَةَ، عَنْ كُرَيْبٍ، عَنِ ابْنِ عَبَّاسٍ، بِمِثْلِهِ .A hadith like this has been narrated on the authority of Ibn 'Abbas through another chain of transmitters
From Sahih Muslim, whose reports the scholars accept as authentic.