Sunan an-Nasa'i 764
سنن النسائي#764Sahihأَخْبَرَنَا قُتَيْبَةُ، عَنْ مَالِكٍ، عَنْ هِشَامِ بْنِ عُرْوَةَ، عَنْ أَبِيهِ، عَنْ عُمَرَ بْنِ أَبِي سَلَمَةَ، أَنَّهُ رَأَى رَسُولَ اللَّهِ صلى الله عليه وسلم يُصَلِّي فِي ثَوْبٍ وَاحِدٍ فِي بَيْتِ أُمِّ سَلَمَةَ وَاضِعًا طَرَفَيْهِ عَلَى عَاتِقَيْهِ .
Narrated Umar bin Abi Salamah:It was narrated from Umar bin Abi Salamah that he saw Messenger of Allah(ﷺ)praying in a single garment in the house of Umm Salamah, putting the ends of it on his shoulders
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:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih - Agreed Upon
In-book reference: 9:23