Asalamo Alaiqum Hazrat.
mujhe ek hadis ka hawala aur scan darkar hai
jiska mafhoom kuch is tarah hai ki
Hazrat umar hajre aswad ke bare me kahte hai ke tu sirf ek pathar hai kisi nafe nuqsan ka malik nahi jise sun kar hzrt ali ne frmaya ke ye qyamat k roz shafaat krke nafa pahuchayenga.
is ke mutalliq kuch hawale net pr mojud hai lekin vo mai dhoond nahi paya jaise ke.
-Thirmidhi, an-Nasai, al-Baihaki, at-Tabarani and al-Bukhari in his History
Ghaniatul Talibeen, Abdul Qadir Jilani, Urdu Edition, page 534, published by Maktab-e-Ibrahimia, Lahore, Pakista