Sahih al-Bukhari 6300
صحيح البخاري#6300SahihSa'id ibn Jubair said, "Ibn 'Abbas said, 'When the Prophet (ﷺ) died, I had already been circumcised
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: 79:72