Sunan an-Nasa'i 2953
سنن النسائي#2953Sahihأَخْبَرَنَا عِمْرَانُ بْنُ مُوسَى، قَالَ حَدَّثَنَا عَبْدُ الْوَارِثِ، قَالَ حَدَّثَنَا أَيُّوبُ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، قَالَ مَا تَرَكْتُ اسْتِلاَمَ الْحَجَرِ فِي رَخَاءٍ وَلاَ شِدَّةٍ مُنْذُ رَأَيْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم يَسْتَلِمُهُ .
It was narrated that Ibn Umar said:"Since I saw the Messenger of Allah touch it, I did not fail to touching the Stone whether it was easy or difficult
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:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 24:336