Muwatta Malik 527
موطأ مالك#527Sahihحَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، عَنِ ابْنِ شِهَابٍ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم وَأَبَا بَكْرٍ وَعُمَرَ كَانُوا يَمْشُونَ أَمَامَ الْجَنَازَةِ وَالْخُلَفَاءُ هَلُمَّ جَرًّا وَعَبْدُ اللَّهِ بْنُ عُمَرَ .
Yahya related to me from Malik from Ibn Shihab that the Messenger of Allah, may Allah bless him and grant him peace, and Abu Bakr and Umar as well as the khalifas up until this time and Abdullah ibn Umar, would walk in front of the bier
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:
Salim al-HilaliMauquf Sahih
In-book reference: 16:8