Muwatta Malik 356
موطأ مالك#356Sahihحَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، عَنْ مُوسَى بْنِ مَيْسَرَةَ، عَنْ أَبِي مُرَّةَ، مَوْلَى عَقِيلِ بْنِ أَبِي طَالِبٍ أَنَّ أُمَّ هَانِئٍ بِنْتَ أَبِي طَالِبٍ، أَخْبَرَتْهُ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم صَلَّى عَامَ الْفَتْحِ ثَمَانِيَ رَكَعَاتٍ مُلْتَحِفًا فِي ثَوْبٍ وَاحِدٍ .
Yahya related to me from Malik from Musa ibn Maysara from Abu Murra, the mawla of Aqil ibn Abi Talib, that Umm Hani bint Abi Talib told him that in the year of the conquest the Messenger of Allah, may Allah bless him and grant him peace, prayed eight rakas, covering himself with one garment
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: 9:31