Sunan an-Nasa'i 582
سنن النسائي#582Sahihأَخْبَرَنَا عَلِيُّ بْنُ عُثْمَانَ بْنِ مُحَمَّدِ بْنِ سَعِيدِ بْنِ عَبْدِ اللَّهِ بْنِ نُفَيْلٍ، قَالَ حَدَّثَنَا سَعِيدُ بْنُ عِيسَى، قَالَ حَدَّثَنَا عَبْدُ الرَّحْمَنِ بْنُ الْقَاسِمِ، قَالَ حَدَّثَنَا بَكْرُ بْنُ مُضَرَ، عَنْ عَمْرِو بْنِ الْحَارِثِ، عَنْ يَزِيدَ بْنِ أَبِي حَبِيبٍ، أَنَّ أَبَا الْخَيْرِ، حَدَّثَهُ أَنَّ أَبَا تَمِيمٍ الْجَيْشَانِيَّ قَامَ لِيَرْكَعَ رَكْعَتَيْنِ قَبْلَ الْمَغْرِبِ فَقُلْتُ لِعُقْبَةَ بْنِ عَامِرٍ انْظُرْ إِلَى هَذَا أَىَّ صَلاَةٍ يُصَلِّي فَالْتَفَتَ إِلَيْهِ فَرَآهُ فَقَالَ هَذِهِ صَلاَةٌ كُنَّا نُصَلِّيهَا عَلَى عَهْدِ رَسُولِ اللَّهِ صلى الله عليه وسلم .
It was narrated from Yazid bin Abi Habib that Abu Al-Khair told him:"Abu Tamim Al-Jaishani stood up to pray two Rak'ahs before Maghrib, and I said to 'Uqbah bin 'Amir: 'Look at this man, what prayer is he praying?' He turned and looked at him, and said: 'This is a prayer that we used to pray at the time of the Messenger of Allah (ﷺ)
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: 6:89