Sahih al-Bukhari 1169
صحيح البخاري#1169Sahihحَدَّثَنَا يَحْيَى بْنُ بُكَيْرٍ، حَدَّثَنَا اللَّيْثُ، عَنْ عُقَيْلٍ، عَنِ ابْنِ شِهَابٍ، قَالَ أَخْبَرَنِي سَالِمٌ، عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ ـ رضى الله عنهما ـ قَالَ صَلَّيْتُ مَعَ رَسُولِ اللَّهِ صلى الله عليه وسلم رَكْعَتَيْنِ قَبْلَ الظُّهْرِ، وَرَكْعَتَيْنِ بَعْدَ الظُّهْرِ، وَرَكْعَتَيْنِ بَعْدَ الْجُمُعَةِ، وَرَكْعَتَيْنِ بَعْدَ الْمَغْرِبِ، وَرَكْعَتَيْنِ بَعْدَ الْعِشَاءِ.
Narrated `Abdullah bin `Umar:I offered with Allah's Messenger (ﷺ) a two rak`at prayer before the Zuhr prayer and two rak`at after the Zuhr prayer, two rak`at after Jumua, Maghrib and `Isha' prayers
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 al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 19:48