Sahih al-Bukhari 2462
صحيح البخاري#2462Sahihحَدَّثَنَا يَحْيَى بْنُ سُلَيْمَانَ، قَالَ حَدَّثَنِي ابْنُ وَهْبٍ، قَالَ حَدَّثَنِي مَالِكٌ،. وَأَخْبَرَنِي يُونُسُ، عَنِ ابْنِ شِهَابٍ، أَخْبَرَنِي عُبَيْدُ اللَّهِ بْنُ عَبْدِ اللَّهِ بْنِ عُتْبَةَ، أَنَّ ابْنَ عَبَّاسٍ، أَخْبَرَهُ عَنْ عُمَرَ ـ رضى الله عنهم ـ قَالَ حِينَ تَوَفَّى اللَّهُ نَبِيَّهُ صلى الله عليه وسلم إِنَّ الأَنْصَارَ اجْتَمَعُوا فِي سَقِيفَةِ بَنِي سَاعِدَةَ، فَقُلْتُ لأَبِي بَكْرٍ انْطَلِقْ بِنَا. فَجِئْنَاهُمْ فِي سَقِيفَةِ بَنِي سَاعِدَةَ.
Narrated `Umar:When Allah took away the soul of His Prophet at his death, the Ansar assembled In the shed of Bani Sa`ida. I said to Abu Bakr, "Let us go." So, we came to them (i.e. to Ansar) at the shed of Bani Sa`ida. (See Hadith No. 19, Vol. 5 for details)
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: 46:23