Sahih al-Bukhari 4790
صحيح البخاري#4790Sahihحَدَّثَنَا مُسَدَّدٌ، عَنْ يَحْيَى، عَنْ حُمَيْدٍ، عَنْ أَنَسٍ، قَالَ قَالَ عُمَرُ ـ رضى الله عنه ـ قُلْتُ يَا رَسُولَ اللَّهِ، يَدْخُلُ عَلَيْكَ الْبَرُّ وَالْفَاجِرُ، فَلَوْ أَمَرْتَ أُمَّهَاتِ الْمُؤْمِنِينَ بِالْحِجَابِ، فَأَنْزَلَ اللَّهُ آيَةَ الْحِجَابِ.
Narrated `Umar:I said, "O Allah's Messenger (ﷺ)! Good and bad persons enter upon you, so I suggest that you order the mothers of the Believers (i.e. your wives) to observe veils." Then Allah revealed the Verses of Al- Hijab
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: 65:312