Sahih al-Bukhari 784
صحيح البخاري#784SahihNarrated `Imran bin Husain:I offered the prayer with `Ali in Basra and he made us remember the prayer which we used to pray with Allah's Messenger (ﷺ). `Ali said Takbir on each rising and bowing
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: 10:179