Sayyiduna Amir bin Rabi'ah (may Allah be pleased with him) narrates: Of the corners, the Prophet (peace and blessings be upon him) used to touch only the Yamani Corner and the Black Stone.
Imam al-Bazzar recorded it. Its chain contains a narrator, Asim bin Ubaydullah, who is da'if (weak).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الحج / 5478