Sahih al-Bukhari 825
صحيح البخاري#825Sahihحَدَّثَنَا يَحْيَى بْنُ صَالِحٍ، قَالَ حَدَّثَنَا فُلَيْحُ بْنُ سُلَيْمَانَ، عَنْ سَعِيدِ بْنِ الْحَارِثِ، قَالَ صَلَّى لَنَا أَبُو سَعِيدٍ فَجَهَرَ بِالتَّكْبِيرِ حِينَ رَفَعَ رَأْسَهُ مِنَ السُّجُودِ، وَحِينَ سَجَدَ، وَحِينَ رَفَعَ، وَحِينَ قَامَ مِنَ الرَّكْعَتَيْنِ وَقَالَ هَكَذَا رَأَيْتُ النَّبِيَّ صلى الله عليه وسلم.
Narrated Sa`id bin Al-Harith:Abu Sa`id led us in the prayer and said the Takbir aloud on arising from the prostration, and on prostrating, on rising again, and on getting up from the second rak`a. Abu Sa`id said, "I saw the Prophet doing the same
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: 10:219