1. Book of Purification

١۔ كِتَابٌ الطَّهَارَةِ

1.13 [Machine] Prohibition of performing Istinja with the right hand

١۔١٣ بَابُ النَّهْيِ عَنِ الِاسْتِنْجَاءِ بِالْيَمِينِ

darimi:700And Hb b. Jarīr Wayazīd b. Hārūn Waʾabū Nuʿaym > Hishām > Yaḥyá > ʿAbdullāh b. Abū Qatādah from his father

[Machine] The Prophet ﷺ said, "None of you should touch his private part with his right hand, nor clean himself with his right hand."  

الدارمي:٧٠٠أَخْبَرَنَا وَهْبُ بْنُ جَرِيرٍ وَيَزِيدُ بْنُ هَارُونَ وَأَبُو نُعَيْمٍ عَنْ هِشَامٍ عَنْ يَحْيَى عَنْ عَبْدِ اللَّهِ بْنِ أَبِي قَتَادَةَ عَنْ أَبِيهِ

أَنَّ النَّبِيَّ ﷺ قَالَ «لَا يَمَسَّ أَحَدُكُمْ ذَكَرَهُ بِيَمِينِهِ وَلَا يَتَمَسَّحْ بِيَمِينِهِ»