It is narrated from Sayyiduna Ubayy bin Ka'b (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "The first one with whom the Truth (al-Haqq) will shake hands after me is Umar; and the first whom He will greet with salam, and the first whose hand He will take and admit into Paradise, is also Umar."
Imam al-Tabarani (may Allah have mercy on him) said: "No one narrated this hadith from Salih bin Kaysan (may Allah have mercy on him) except Dawud bin Ata', and Isma'il al-Talhi is alone in narrating it."
Hadith Referenceالمعجم الأوسط / باب الميم / 5584
Hadith Takhrij«أخرجه الحاكم فى «المستدرك» برقم: 4515، وابن ماجه فى «سننه» برقم: 104، والطبراني فى «الأوسط» برقم: 4310»