Sahih al-Bukhari 1005
صحيح البخاري#1005SahihNarrated `Abbad bin Tamim's uncle:The Prophet (ﷺ) went out to offer the Istisqa' prayer and turned (and put on) his cloak inside out
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: 15:1