Sahih al-Bukhari 3840
صحيح البخاري#3840SahihIbn `Abbas said:"In the pre-Islamic period of ignorance I heard my father saying, "Provide us with Kasan Dihaqa
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: 63:65