Sahih al-Bukhari 1548
صحيح البخاري#1548Sahihحَدَّثَنَا سُلَيْمَانُ بْنُ حَرْبٍ، حَدَّثَنَا حَمَّادُ بْنُ زَيْدٍ، عَنْ أَيُّوبَ، عَنْ أَبِي قِلاَبَةَ، عَنْ أَنَسٍ ـ رضى الله عنه ـ قَالَ صَلَّى النَّبِيُّ صلى الله عليه وسلم بِالْمَدِينَةِ الظُّهْرَ أَرْبَعًا، وَالْعَصْرَ بِذِي الْحُلَيْفَةِ رَكْعَتَيْنِ، وَسَمِعْتُهُمْ يَصْرُخُونَ بِهِمَا جَمِيعًا.
Narrated Anas:The Prophet (ﷺ) offered four rak`at of the Zuhr prayer in Medina and two rak`at of the `Asr prayer in Dhul-Hulaifa and I heard them (the companions of the Prophet) reciting Talbiya together loudly to the extent of shouting
Scholarly Authentication
The label above is the grade most of these scholars gave, each scholar counted once — 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. When they judged only its chain of narrators (“Isnaad”), the label says “Sound chain”. 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: 25:34