Sahih al-Bukhari 2131
صحيح البخاري#2131Sahihحَدَّثَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ، أَخْبَرَنَا الْوَلِيدُ بْنُ مُسْلِمٍ، عَنِ الأَوْزَاعِيِّ، عَنِ الزُّهْرِيِّ، عَنْ سَالِمٍ، عَنْ أَبِيهِ ـ رضى الله عنه ـ قَالَ رَأَيْتُ الَّذِينَ يَشْتَرُونَ الطَّعَامَ مُجَازَفَةً يُضْرَبُونَ عَلَى عَهْدِ رَسُولِ اللَّهِ صلى الله عليه وسلم أَنْ يَبِيعُوهُ حَتَّى يُئْوُوهُ إِلَى رِحَالِهِمْ.
Narrated Salim:that his father said. "I saw those, who used to buy foodstuff without measuring or weighing in the life time of the Prophet (ﷺ) being punished if they sold it before carrying it to their own houses
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: 34:83