What is the authenticity of the two hadiths: "The likeness of Ali among you—or he said, in this Ummah—is like the veiled Kaaba; looking at it is an act of worship, and performing Hajj to it is an obligation," and "Mentioning Ali is an act of worship"?

The Hadith, "Looking at Ali's face is an act of worship," has not been authenticated. Al-Dhahabi, Al-Suyuti, Ibn Al-Jawzi, and Ibn Hajar considered it fabricated. As for the Hadith, "Mentioning Ali is an act of worship," Al-Suyuti attributed it to Al-Daylami, and Al-Albani stated that it is fabricated.