Sahih al-Bukhari 6504
صحيح البخاري#6504SahihNarrated Anas:Allah's Messenger (ﷺ) said, "I have been sent and the Hour (is at hand) as these two (fingers)
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: 81:93