Sahih al-Bukhari 3709
صحيح البخاري#3709Sahihحَدَّثَنِي عَمْرُو بْنُ عَلِيٍّ، حَدَّثَنَا يَزِيدُ بْنُ هَارُونَ، أَخْبَرَنَا إِسْمَاعِيلُ بْنُ أَبِي خَالِدٍ، عَنِ الشَّعْبِيِّ، أَنَّ ابْنَ عُمَرَ ـ رضى الله عنهما ـ كَانَ إِذَا سَلَّمَ عَلَى ابْنِ جَعْفَرٍ قَالَ السَّلاَمُ عَلَيْكَ يَا ابْنَ ذِي الْجَنَاحَيْنِ.
Narrated Ash-Shu`bi:Whenever Ibn `Umar greeted Ibn Jafar, he used to say: "As-salamu-'Alaika (i.e. Peace be on you) O son of Dhu-l-Janahain (son of the 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: 62:59