Hadithcore
Mishkat al-Masabih, 1695

Sufyan at-Tammar said he saw the grave of the Prophet (ﷺ) humped. Bukhari transmitted it.

وَعَنْ سُفْيَانَ التَّمَّارِ: أَنَّهُ رَأَى قَبْرَ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ مُسَنَّمًا. رَوَاهُ الْبُخَارِيُّ

References1 variant
In-Book Reference
Book 5, Hadith 168