Sahih al-Bukhari 1068
صحيح البخاري#1068SahihNarrated Abu Huraira:On Fridays the Prophet (ﷺ) used to recite Alif Lam Mim Tanzil-As-Sajda (in the first rak`a) and Hal ata `alal-insani i.e. Surat ad-Dahr (LXXVI) (in the second rak`a), in the Fajr prayer
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: 17:2