Sahih al-Bukhari 925
صحيح البخاري#925SahihNarrated Abu Hummaid As-Sa`idi:One night Allah's Messenger (ﷺ) stood up after the prayer and recited "Tashah-hud" and then praised Allah as He deserved and said, "Amma ba'du
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 11:49