Sahih al-Bukhari 5964
صحيح البخاري#5964SahihNarrated Usama bin Zaid:Allah's Messenger (ﷺ) rode a donkey saddled with a saddle covered with a Fadakiyya velvet sheet, and he made me ride behind him
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: 77:180