Sunan Abi Dawud 5105
سنن أبي داود#5105Hasanحَدَّثَنَا مُسَدَّدٌ، حَدَّثَنَا يَحْيَى، عَنْ سُفْيَانَ، قَالَ حَدَّثَنِي عَاصِمُ بْنُ عُبَيْدِ اللَّهِ، عَنْ عُبَيْدِ اللَّهِ بْنِ أَبِي رَافِعٍ، عَنْ أَبِيهِ، قَالَ رَأَيْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم أَذَّنَ فِي أُذُنِ الْحَسَنِ بْنِ عَلِيٍّ - حِينَ وَلَدَتْهُ فَاطِمَةُ - بِالصَّلاَةِ .
Narrated AbuRafi': I saw the Messenger of Allah (ﷺ) uttering the call to prayer (Adhan) in the ear of al-Hasan ibn Ali when Fatimah gave birth to him
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-AlbaniHasan
Muhammad Muhyi Al-Din Abdul HamidHasan
Zubair Ali ZaiDaif
In-book reference: 43:333