Sahih al-Bukhari 4411
صحيح البخاري#4411Sahihحَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ سَعِيدٍ، حَدَّثَنَا مُحَمَّدُ بْنُ بَكْرٍ، حَدَّثَنَا ابْنُ جُرَيْجٍ، أَخْبَرَنِي مُوسَى بْنُ عُقْبَةَ، عَنْ نَافِعٍ، أَخْبَرَهُ ابْنُ عُمَرَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم حَلَقَ فِي حَجَّةِ الْوَدَاعِ وَأُنَاسٌ مِنْ أَصْحَابِهِ وَقَصَّرَ بَعْضُهُمْ.
Narrated Ibn `Umar:During Hajjat-ul-Wada`, the Prophet (ﷺ) and some of his companions got their heads shaved while some of his companions got their head-hair cut short
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: 64:433