Sahih al-Bukhari 308
صحيح البخاري#308Sahihحَدَّثَنَا أَصْبَغُ، قَالَ أَخْبَرَنِي ابْنُ وَهْبٍ، قَالَ أَخْبَرَنِي عَمْرُو بْنُ الْحَارِثِ، عَنْ عَبْدِ الرَّحْمَنِ بْنِ الْقَاسِمِ، حَدَّثَهُ عَنْ أَبِيهِ، عَنْ عَائِشَةَ، قَالَتْ كَانَتْ إِحْدَانَا تَحِيضُ، ثُمَّ تَقْتَرِصُ الدَّمَ مِنْ ثَوْبِهَا عِنْدَ طُهْرِهَا فَتَغْسِلُهُ، وَتَنْضَحُ عَلَى سَائِرِهِ، ثُمَّ تُصَلِّي فِيهِ.
Narrated `Aisha:Whenever anyone of us got her menses, she, on becoming clean, used to take hold of the blood spot and rub the blood off her garment, and pour water over it and wash that portion thoroughly and sprinkle water over the rest of the garment. After that she would pray in (with) it
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: 6:13