Sahih al-Bukhari 5171
صحيح البخاري#5171Sahihحَدَّثَنَا مُسَدَّدٌ، حَدَّثَنَا حَمَّادُ بْنُ زَيْدٍ، عَنْ ثَابِتٍ، قَالَ ذُكِرَ تَزْوِيجُ زَيْنَبَ ابْنَةِ جَحْشٍ عِنْدَ أَنَسٍ فَقَالَ مَا رَأَيْتُ النَّبِيَّ صلى الله عليه وسلم أَوْلَمَ عَلَى أَحَدٍ مِنْ نِسَائِهِ مَا أَوْلَمَ عَلَيْهَا أَوْلَمَ بِشَاةٍ.
Narrated Thabit:The marriage of Zainab bint Jahash was mentioned in the presence of Anas and he said, "I did not see the Prophet (ﷺ) giving a better banquet on marrying any of his wives than the one he gave on marrying Zainab. He then gave a banquet with one sheep
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:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 67:106