Sunan an-Nasa'i 2730
سنن النسائي#2730Sahihأَخْبَرَنَا هَنَّادُ بْنُ السَّرِيِّ، عَنْ أَبِي الأَحْوَصِ، عَنْ أَبِي إِسْحَاقَ، عَنْ أَبِي أَسْمَاءَ، عَنْ أَنَسٍ، قَالَ سَمِعْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم يُلَبِّي بِهِمَا .
It was narrated that Anas said:"I heard the Messenger of Allah (ﷺ) reciting the Talbiyah for them both
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
In-book reference: 24:112