Sahih al-Bukhari 5890
صحيح البخاري#5890Sahihحَدَّثَنَا أَحْمَدُ بْنُ أَبِي رَجَاءٍ، حَدَّثَنَا إِسْحَاقُ بْنُ سُلَيْمَانَ، قَالَ سَمِعْتُ حَنْظَلَةَ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ ـ رضى الله عنهما ـ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " مِنَ الْفِطْرَةِ حَلْقُ الْعَانَةِ، وَتَقْلِيمُ الأَظْفَارِ، وَقَصُّ الشَّارِبِ ".
Narrated Ibn `Umar:Allah's Messenger (ﷺ) said, "To shave the pubic hair. to clip the nails and to cut the moustaches short, are characteristics of the Fitra
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: 77:107