Sunan an-Nasa'i 296
سنن النسائي#296Sahihأَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا حَمَّادٌ، عَنْ أَبِي هَاشِمٍ، عَنْ أَبِي مِجْلَزٍ، عَنِ الْحَارِثِ بْنِ نَوْفَلٍ، عَنْ عَائِشَةَ، قَالَتْ كُنْتُ أَفْرُكُ الْجَنَابَةَ - وَقَالَتْ مَرَّةً أُخْرَى الْمَنِيَّ - مِنْ ثَوْبِ رَسُولِ اللَّهِ صلى الله عليه وسلم .
It was narrated that 'Aishah said:"I used to scrape the Janabah." On another occasion she said: "The semen from the garment 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:
Abu GhuddahSahih Isnaad
Al-AlbaniSahih Isnaad
Zubair Ali ZaiSahih
In-book reference: 1:297