Sahih al-Bukhari 7262
صحيح البخاري#7262Sahihحَدَّثَنَا سُلَيْمَانُ بْنُ حَرْبٍ، حَدَّثَنَا حَمَّادٌ، عَنْ أَيُّوبَ، عَنْ أَبِي عُثْمَانَ، عَنْ أَبِي مُوسَى، أَنَّ النَّبِيَّ صلى الله عليه وسلم دَخَلَ حَائِطًا وَأَمَرَنِي بِحِفْظِ الْبَابِ فَجَاءَ رَجُلٌ يَسْتَأْذِنُ فَقَالَ " ائْذَنْ لَهُ، وَبَشِّرْهُ بِالْجَنَّةِ ". فَإِذَا أَبُو بَكْرٍ، ثُمَّ جَاءَ عُمَرُ فَقَالَ " ائْذَنْ لَهُ، وَبَشِّرْهُ بِالْجَنَّةِ ". ثُمَّ جَاءَ عُثْمَانُ فَقَالَ " ائْذَنْ لَهُ، وَبَشِّرْهُ بِالْجَنَّةِ ".
Narrated Abu Musa:The Prophet (ﷺ) entered a garden and told me to guard its gate. Then a man came and asked permission to enter. The Prophet, said, "Permit him and give him the good news that he will enter Paradise." Behold! It was Abu Bakr. Then `Umar came, and the Prophet (ﷺ) said, "Admit him and give him the good news that he will enter Paradise." Then `Uthman came and the Prophet (ﷺ) said, "Admit him and give him the good news that he will enter Paradise
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 95:16