Sahih al-Bukhari 1942
صحيح البخاري#1942Sahihحَدَّثَنَا مُسَدَّدٌ، حَدَّثَنَا يَحْيَى، عَنْ هِشَامٍ، قَالَ حَدَّثَنِي أَبِي، عَنْ عَائِشَةَ، أَنَّ حَمْزَةَ بْنَ عَمْرٍو الأَسْلَمِيَّ، قَالَ يَا رَسُولَ اللَّهِ إِنِّي أَسْرُدُ الصَّوْمَ.
Narrated `Aisha:Hamza bin `Amr Al-Aslami said, "O Allah's Messenger (ﷺ)! I fast continuously
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: 30:49