Jami` at-Tirmidhi 1007
جامع الترمذي#1007Sahihحَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، وَأَحْمَدُ بْنُ مَنِيعٍ، وَإِسْحَاقُ بْنُ مَنْصُورٍ، وَمَحْمُودُ بْنُ غَيْلاَنَ، قَالُوا حَدَّثَنَا سُفْيَانُ بْنُ عُيَيْنَةَ، عَنِ الزُّهْرِيِّ، عَنْ سَالِمٍ، عَنْ أَبِيهِ، قَالَ رَأَيْتُ النَّبِيَّ صلى الله عليه وسلم وَأَبَا بَكْرٍ وَعُمَرَ يَمْشُونَ أَمَامَ الْجَنَازَةِ .
Salim narrated that:His father said: "I saw the Prophet, Abu Bakr, and Umar walking in front of the funeral
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:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Zubair Ali ZaiHasan
In-book reference: 10:43