ENOfficial
Az-Zubair b. ‘Arabi said that a man asked Ibn ‘Umar about touching the stone, and he replied that he had seen God s messenger touching it and kissing it. Bukhari transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَنِ الزُّبَيْرِ بْنِ عَرَبِيٍّ قَالَ: سَأَلَ رَجُلٌ ابنَ عمرَ عَنِ اسْتِلَامِ الْحَجَرِ فَقَالَ: رَأَيْتُ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يَسْتَلِمُهُ وَيُقَبِّلُهُ. رَوَاهُ البُخَارِيّ
sunnah.com