Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
hakim:3980 – ʿAlī b. Ḥamshādh al-ʿAdl > Hishām b. ʿAlī And Muḥammad b. Ayyūb > Mūsá b. Ismāʿīl > Ḥammād b. Salamah > ʿĀṣim al-Jaḥdarī > ʿUqbah b. Ṣuhbān > ʿAlī Faṣal Lirabbik Wānḥar al-Kwthr 2

[Machine] "From Ali, he said: 'Pray and sacrifice for your Lord.' [Al-Kawthar 2] He said, 'His placement is your right hand over your left hand during salah.' And the second narration, Al-Dhahabi remained silent about it in the summary."  

الحاكم:٣٩٨٠ – حَدَّثَنَاهُ عَلِيُّ بْنُ حَمْشَاذَ الْعَدْلُ ثنا هِشَامُ بْنُ عَلِيٍّ وَمُحَمَّدُ بْنُ أَيُّوبَ قَالَا ثنا مُوسَى بْنُ إِسْمَاعِيلَ ثنا حَمَّادُ بْنُ سَلَمَةَ عَنْ عَاصِمٍ الْجَحْدَرِيِّ عَنْ عُقْبَةَ بْنِ صُهْبَانَ

عَنْ عَلِيٍّ {فَصَلِّ لِرَبِّكَ وَانْحَرْ} [الكوثر 2] قَالَ «هُوَ وَضْعُكَ يَمِينَكَ عَلَى شِمَالِكَ فِي الصَّلَاةِ»  

وَالرِّوَايَةُ الثَّانِيَةُ سكت عنه الذهبي في التلخيص

See similar narrations below:

Collected by Bayhaqī
bayhaqi:2331 – Abū ʿAbdullāh al-Ḥāfiẓ > ʿAlī b. Ḥimshādh al-ʿAdl > Hishām b. ʿAlī And Muḥammad b. Ayyūb > Mūsá b. Ismāʿīl > Ḥammād b. Salamah > ʿĀṣim al-Jaḥdarī > ʿUqbah b. Ṣuhbān > ʿAlī Faṣal Lirabbik Wānḥar al-Kwthr 2

[Machine] "From Ali: {So pray to your Lord and sacrifice [to Him alone]}. He said: It is placing your right hand over your left during prayer. This is what our Sheikh Asim al-Jahdari narrated from Uqbah ibn Suhban."  

البيهقي:٢٣٣١ – أَخْبَرَنَا أَبُو عَبْدِ اللهِ الْحَافِظُ ثنا عَلِيُّ بْنُ حِمْشَاذٍ الْعَدْلُ ثنا هِشَامُ بْنُ عَلِيٍّ وَمُحَمَّدُ بْنُ أَيُّوبَ قَالَا ثنا مُوسَى بْنُ إِسْمَاعِيلَ ثنا حَمَّادُ بْنُ سَلَمَةَ عَنْ عَاصِمٍ الْجَحْدَرِيِّ عَنْ عُقْبَةَ بْنِ صُهْبَانَ

عَنْ عَلِيٍّ ؓ {فَصَلِّ لِرَبِّكَ وَانْحَرْ} [الكوثر 2] قَالَ هُوَ وَضْعُ يَمِينِكَ عَلَى شِمَالِكَ فِي الصَّلَاةِ كَذَا قَالَ شَيْخُنَا عَاصِمٌ الْجَحْدَرِيُّ عَنْ عُقْبَةَ بْنِ صُهْبَانَ