[Machine] The Prophet ﷺ said, "Whoever touches his private parts should perform ablution." This hadith has only been narrated by Hammad ibn Muhammad from Ayyub ibn 'Utbah. He also narrated another hadith, and both of them are considered authentic according to me. It is possible that he heard the first hadith from the Prophet ﷺ before this, and then heard this one afterwards. This is in agreement with the narrations of Busrah, Umm Habiba, Abu Hurairah, Zaid ibn Khalid al-Juhani, and others who narrated from the Prophet ﷺ the command to perform ablution after touching the private parts, as well as the abrogated and abrogating narrations.  

أَنَّ النَّبِيَّ ﷺ قَالَ «مَنْ مَسَّ ذَكَرَهُ فَلْيَتَوَضَّأْ» لَمْ يَرْوِ هَذَا الْحَدِيثَ عَنْ أَيُّوبَ بْنِ عُتْبَةَ إِلَّا حَمَّادُ بْنُ مُحَمَّدٍ وَقَدْ رَوَى الْحَدِيثَ الْآخَرَ حَمَّادُ بْنُ مُحَمَّدٍ وَهُمْا عِنْدِي صَحِيحَانِ وَيُشْبِهُ أَنْ يَكُونَ سَمِعَ الْحَدِيثَ الْأَوَّلَ مِنَ النَّبِيِّ ﷺ قَبْلَ هَذَا ثُمَّ سَمِعَ هَذَا بَعْدُ فَوَافَقَ حَدِيثَ بُسْرَةَ وَأُمِّ حَبِيبَةَ وَأَبِي هُرَيْرَةَ وَزَيْدِ بْنِ خَالِدٍ الْجُهَنِيِّ وَغَيْرِهِمْ مِمَّنْ رَوَى عَنِ النَّبِيِّ ﷺ الْأَمْرَ بِالْوُضُوءِ مِنْ مَسِّ الذَّكَرِ فَسَمِعَ الْمَنْسُوخَ وَالنَّاسِخَ