Sunan Abi Dawud 4822
سنن أبي داود#4822Sahihحَدَّثَنَا مُسَدَّدٌ، حَدَّثَنَا يَحْيَى، عَنْ إِسْمَاعِيلَ، قَالَ حَدَّثَنِي قَيْسٌ، عَنْ أَبِيهِ، أَنَّهُ جَاءَ وَرَسُولُ اللَّهِ صلى الله عليه وسلم يَخْطُبُ فَقَامَ فِي الشَّمْسِ فَأَمَرَ بِهِ فَحُوِّلَ إِلَى الظِّلِّ .
Qais quoted his father as saying that he (his father) came when the Messenger of Allah (ﷺ) was addressing. He stood in the sun. He ordered him (to shift) and he shifted to the shade
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:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 43:50