Jami` at-Tirmidhi 287
جامع الترمذي#287Sahihحَدَّثَنَا عَلِيُّ بْنُ حُجْرٍ، أَخْبَرَنَا هُشَيْمٌ، عَنْ خَالِدٍ الْحَذَّاءِ، عَنْ أَبِي قِلاَبَةَ، عَنْ مَالِكِ بْنِ الْحُوَيْرِثِ اللَّيْثِيِّ، أَنَّهُ رَأَى النَّبِيَّ صلى الله عليه وسلم يُصَلِّي فَكَانَ إِذَا كَانَ فِي وِتْرٍ مِنْ صَلاَتِهِ لَمْ يَنْهَضْ حَتَّى يَسْتَوِيَ جَالِسًا . قَالَ أَبُو عِيسَى حَدِيثُ مَالِكِ بْنِ الْحُوَيْرِثِ حَدِيثٌ حَسَنٌ صَحِيحٌ . وَالْعَمَلُ عَلَيْهِ عِنْدَ بَعْضِ أَهْلِ الْعِلْمِ . وَبِهِ يَقُولُ إِسْحَاقُ وَبَعْضُ أَصْحَابِنَا . وَمَالِكٌ يُكْنَى أَبَا سُلَيْمَانَ .
Malik bin Al-Huwairith Al-Laithi narrated that he saw :Allah's Messenger performing Salat. When he was in an odd number of his Salat, he would not get up until he had sat completely
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: 2:139