Jami` at-Tirmidhi 989
جامع الترمذي#989Sahihحَدَّثَنَا مُحَمَّدُ بْنُ بَشَّارٍ، حَدَّثَنَا عَبْدُ الرَّحْمَنِ بْنُ مَهْدِيٍّ، حَدَّثَنَا سُفْيَانُ، عَنْ عَاصِمِ بْنِ عُبَيْدِ اللَّهِ، عَنِ الْقَاسِمِ بْنِ مُحَمَّدٍ، عَنْ عَائِشَةَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم قَبَّلَ عُثْمَانَ بْنَ مَظْعُونٍ وَهُوَ مَيِّتٌ وَهُوَ يَبْكِي . أَوْ قَالَ عَيْنَاهُ تَذْرِفَانِ . وَفِي الْبَابِ عَنِ ابْنِ عَبَّاسٍ وَجَابِرٍ وَعَائِشَةَ قَالُوا إِنَّ أَبَا بَكْرٍ قَبَّلَ النَّبِيَّ صلى الله عليه وسلم وَهُوَ مَيِّتٌ . قَالَ أَبُو عِيسَى حَدِيثُ عَائِشَةَ حَدِيثٌ حَسَنٌ صَحِيحٌ .
Al-Qasim bin Muhammad narrated from Aishah:"The Prophet kissed Uthman bin Maz'un when he died, and he was crying." Or, he (one of the narrators) said: "His eyes were brimming with tears
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:
In-book reference: 10:25