Sahih al-Bukhari 4264
صحيح البخاري#4264Sahihحَدَّثَنِي مُحَمَّدُ بْنُ أَبِي بَكْرٍ، حَدَّثَنَا عُمَرُ بْنُ عَلِيٍّ، عَنْ إِسْمَاعِيلَ بْنِ أَبِي خَالِدٍ، عَنْ عَامِرٍ، قَالَ كَانَ ابْنُ عُمَرَ إِذَا حَيَّا ابْنَ جَعْفَرٍ قَالَ السَّلاَمُ عَلَيْكَ يَا ابْنَ ذِي الْجَنَاحَيْنِ.
Narrated 'Amir:Whenever Ibn `Umar greeted the son of Ja`far, he used to say (to him), "Assalam 'Alaika (i.e. peace be on you) O the son of two-winged person
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: 64:298