Sahih al-Bukhari 764
صحيح البخاري#764SahihNarrated Marwan bin Al-Hakam:Zaid bin Thabit said to me, "Why do you recite very short Suras in the Maghrib prayer while I heard the Prophet (ﷺ) reciting the longer of the two long Suras?
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: 10:158