Sahih al-Bukhari 5670
صحيح البخاري#5670SahihNarrated As-Sa'ib:My aunt took me to Allah's Messenger (ﷺ) and said, "O Allah's Messenger (ﷺ)! My nephew is- ill." The Prophet (ﷺ) touched my head with his hand and invoked Allah to bless me. He then performed ablution and I drank of the remaining water of his ablution and then stood behind his back and saw "Khatam An- Nubuwwa" (The Seal of Prophethood) between his shoulders like a button of a tent
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: 75:30