Sahih Muslim 1581
صحيح مسلم#1581Sahihحَدَّثَنَا خَلَفُ بْنُ هِشَامٍ، وَأَبُو الرَّبِيعِ الزَّهْرَانِيُّ، وَقُتَيْبَةُ بْنُ سَعِيدٍ، قَالُوا حَدَّثَنَا حَمَّادٌ، وَهُوَ ابْنُ زَيْدٍ ح وَحَدَّثَنِي زُهَيْرُ بْنُ حَرْبٍ، وَيَعْقُوبُ بْنُ إِبْرَاهِيمَ، قَالاَ حَدَّثَنَا إِسْمَاعِيلُ، كِلاَهُمَا عَنْ أَيُّوبَ، عَنْ أَبِي قِلاَبَةَ، عَنْ أَنَسٍ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم صَلَّى الظُّهْرَ بِالْمَدِينَةِ أَرْبَعًا وَصَلَّى الْعَصْرَ بِذِي الْحُلَيْفَةِ رَكْعَتَيْنِ .
Anas reported:The Messenger of Allah (ﷺ) said four rak'ahs in the noon prayer while at Medina, but he offered two rak'ahs in the afternoon prayer at Dhu'l-Hulaifa
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 6:12