Sahih Muslim 503
صحيح مسلم#503Sahihوَحَدَّثَنِي زُهَيْرُ بْنُ حَرْبٍ، وَمُحَمَّدُ بْنُ حَاتِمٍ، قَالاَ حَدَّثَنَا ابْنُ مَهْدِيٍّ، حَدَّثَنَا شُعْبَةُ، بِالإِسْنَادَيْنِ جَمِيعًا مِثْلَهُ . وَزَادَ فِي حَدِيثِ الْحَكَمِ فَجَعَلَ النَّاسُ يَأْخُذُونَ مِنْ فَضْلِ وَضُوئِهِ .
Shu'ba narrated the same on the basis of two authorities and in the hadith transmitted by Hakam (the words are):The people began to get water that was left out of his (the Prophet's) ablution
Scholarly Authentication
The label above is the grade most of these scholars gave, each scholar counted once — 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. When they judged only its chain of narrators (“Isnaad”), the label says “Sound chain”. Each scholar's own wording:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
Sahih Muslim 503 is the standard (Abd al-Baqi) number; this narration is #1123 in the MuslimGPT index.
In-book reference: 4:285