Sahih al-Bukhari 1768
صحيح البخاري#1768Sahihحَدَّثَنَا عَبْدُ اللَّهِ بْنُ عَبْدِ الْوَهَّابِ، حَدَّثَنَا خَالِدُ بْنُ الْحَارِثِ، قَالَ سُئِلَ عُبَيْدُ اللَّهِ عَنِ الْمُحَصَّبِ، فَحَدَّثَنَا عُبَيْدُ اللَّهِ، عَنْ نَافِعٍ،، قَالَ نَزَلَ بِهَا رَسُولُ اللَّهِ صلى الله عليه وسلم وَعُمَرُ وَابْنُ عُمَرَ. وَعَنْ نَافِعٍ أَنَّ ابْنَ عُمَرَ ـ رضى الله عنهما ـ كَانَ يُصَلِّي بِهَا ـ يَعْنِي الْمُحَصَّبَ ـ الظُّهْرَ وَالْعَصْرَ ـ أَحْسِبُهُ قَالَ وَالْمَغْرِبَ. قَالَ خَالِدٌ لاَ أَشُكُّ فِي الْعِشَاءِ، وَيَهْجَعُ هَجْعَةً، وَيَذْكُرُ ذَلِكَ عَنِ النَّبِيِّ صلى الله عليه وسلم.
Narrated Khalid bin Al-Harith:'Ubaidullah was asked about Al Mahassab. 'Ubaidullah narrated: Nafi` said, 'Allah's Messenger (ﷺ), `Umar and Ibn `Umar camped there." Nafi` added, "Ibn `Umar used to offer the Zuhr and `Asr prayers at it (i.e. Al-Mahassab)." I think he mentioned the Maghrib prayer also. I said, "I don't doubt about `Isha' (i.e. he used to offer it there also), and he used to sleep there for a while. He used to say, 'The Prophet (ﷺ) used to do the same
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: 25:244