Sahih al-Bukhari 6152
صحيح البخاري#6152SahihNarrated Abu Salama bin `Abdur-Rahman bin `Auf:that he heard Hassan bin Thabit Al-Ansari asking the witness of Abu Huraira, saying, "O Abu- Huraira! I beseech you by Allah (to tell me). Did you hear Allah's Messenger (ﷺ) saying' 'O Hassan ! Reply on behalf of Allah's Messenger (ﷺ). O Allah ! Support him (Hassan) with the Holy Spirit (Gabriel).'?" Abu Huraira said, "Yes
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: 78:178