Sahih al-Bukhari 108
صحيح البخاري#108Sahihحَدَّثَنَا أَبُو مَعْمَرٍ، قَالَ حَدَّثَنَا عَبْدُ الْوَارِثِ، عَنْ عَبْدِ الْعَزِيزِ، قَالَ أَنَسٌ إِنَّهُ لَيَمْنَعُنِي أَنْ أُحَدِّثَكُمْ حَدِيثًا كَثِيرًا أَنَّ النَّبِيَّ صلى الله عليه وسلم قَالَ " مَنْ تَعَمَّدَ عَلَىَّ كَذِبًا فَلْيَتَبَوَّأْ مَقْعَدَهُ مِنَ النَّارِ ".
Narrated Anas:The fact which stops me from narrating a great number of Hadiths to you is that the Prophet (ﷺ) said: "Whoever tells a lie against me intentionally, then (surely) let him occupy his seat in Hell-fire
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: 3:50