Sunan Abi Dawud 1
سنن أبي داود#1Sahihحَدَّثَنَا عَبْدُ اللَّهِ بْنُ مَسْلَمَةَ بْنِ قَعْنَبٍ الْقَعْنَبِيُّ، حَدَّثَنَا عَبْدُ الْعَزِيزِ، - يَعْنِي ابْنَ مُحَمَّدٍ - عَنْ مُحَمَّدٍ، - يَعْنِي ابْنَ عَمْرٍو - عَنْ أَبِي سَلَمَةَ، عَنِ الْمُغِيرَةِ بْنِ شُعْبَةَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم كَانَ إِذَا ذَهَبَ الْمَذْهَبَ أَبْعَدَ .
Narrated Mughirah ibn Shu'bah: When the Prophet (ﷺ) went (outside) to relieve himself, he went to a far-off place
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 Sahih
Muhammad Muhyi Al-Din Abdul HamidHasan Sahih
Shuaib Al ArnautSahih Lighairihi
Zubair Ali ZaiIsnaad Hasan
In-book reference: 1:1