Sunan Ibn Majah 1563
سنن ابن ماجه#1563Sahihحَدَّثَنَا عَبْدُ اللَّهِ بْنُ سَعِيدٍ، حَدَّثَنَا حَفْصُ بْنُ غِيَاثٍ، عَنِ ابْنِ جُرَيْجٍ، عَنْ سُلَيْمَانَ بْنِ مُوسَى، عَنْ جَابِرٍ، قَالَ نَهَى رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ أَنْ يُكْتَبَ عَلَى الْقَبْرِ شَىْءٌ .
It was narrated that Jabir said:“The Messenger of Allah (ﷺ) forbade writing anything on graves.”
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:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Zubair Ali ZaiHasan
In-book reference: 6:131