Sunan Abi Dawud 98
سنن أبي داود#98Sahihحَدَّثَنَا مُوسَى بْنُ إِسْمَاعِيلَ، حَدَّثَنَا حَمَّادٌ، أَخْبَرَنِي صَاحِبٌ، لِي عَنْ هِشَامِ بْنِ عُرْوَةَ، أَنَّ عَائِشَةَ، قَالَتْ كُنْتُ أَغْتَسِلُ أَنَا وَرَسُولُ اللَّهِ، صلى الله عليه وسلم فِي تَوْرٍ مِنْ شَبَهٍ .
Narrated Aisha, Ummul Mu'minin: I and the Messenger of Allah (ﷺ) used to take bath with a brass vessel
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
Zubair Ali ZaiSahih
In-book reference: 1:98