Hadithcore
Bulugh al-Maram, 747

Ibn 'Abbas (RAA) narrated that he used to kiss the Black Stone and prostrate himself on it. Related by Al-Hakim and Al-Baihaqi.

وَعَنْ اِبْنِ عَبَّاسٍ رَضِيَ اَللَّهُ عَنْهُمَا: { أَنَّهُ كَانَ يُقَبِّلُ اَلْحَجَرَ اَلْأَسْوَدَ وَيَسْجُدُ عَلَيْهِ } رَوَاهُ اَلْحَاكِمُ مَرْفُوعًا, وَالْبَيْهَقِيُّ مَوْقُوفًا [1]‏ .‏

References2 variants
In-Book Reference
Book 6, Hadith 40
English Reference
Book 6, Hadith 766