Sahih al-Bukhari 337
صحيح البخاري#337Sahihحَدَّثَنَا يَحْيَى بْنُ بُكَيْرٍ، قَالَ حَدَّثَنَا اللَّيْثُ، عَنْ جَعْفَرِ بْنِ رَبِيعَةَ، عَنِ الأَعْرَجِ، قَالَ سَمِعْتُ عُمَيْرًا، مَوْلَى ابْنِ عَبَّاسٍ قَالَ أَقْبَلْتُ أَنَا وَعَبْدُ اللَّهِ بْنُ يَسَارٍ، مَوْلَى مَيْمُونَةَ زَوْجِ النَّبِيِّ صلى الله عليه وسلم حَتَّى دَخَلْنَا عَلَى أَبِي جُهَيْمِ بْنِ الْحَارِثِ بْنِ الصِّمَّةِ الأَنْصَارِيِّ فَقَالَ أَبُو الْجُهَيْمِ أَقْبَلَ النَّبِيُّ صلى الله عليه وسلم مِنْ نَحْوِ بِئْرِ جَمَلٍ، فَلَقِيَهُ رَجُلٌ فَسَلَّمَ عَلَيْهِ، فَلَمْ يَرُدَّ عَلَيْهِ النَّبِيُّ صلى الله عليه وسلم حَتَّى أَقْبَلَ عَلَى الْجِدَارِ، فَمَسَحَ بِوَجْهِهِ وَيَدَيْهِ، ثُمَّ رَدَّ عَلَيْهِ السَّلاَمَ.
Narrated Abu Juhaim Al-Ansari:The Prophet (ﷺ) came from the direction of Bir Jamal. A man met him and greeted him. But he did not return back the greeting till he went to a (mud) wall and wiped his face and hands with its dust (performed Tayammum) and then returned back the greeting
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: 7:4