Hadith 1:32
In the version of Muslim:
“I used to scrape it (the semen) off the garment of Allah’s Messenger (ﷺ) and then he offered prayer with it.
وَلِمُسْلِمٍ: { لَقَدْ كُنْتُ أَفْرُكُهُ مِنْ ثَوْبٍ رَسُولِ اَللَّهِ - صلى الله عليه وسلم -فَرْكًا, فَيُصَلِّي فِيهِ } (37)
Original Reference: Bulugh al-Maram 28