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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:857 – Abū Jaʿfar al-Ḥaḍramī And ʿAbd Allāh b. Ghannām > ʿAbdullāh b. Saʿīd al-Ashaj > Yaḥyá b. al-Yamān > Ibn Abū Dhiʾb > Saʿīd b. Samʿān > Abū Hurayrah

[Machine] "That the Messenger of Allah ﷺ used to spread his fingers during prayer is narrated by Sa'id ibn Sam'an, a well-known follower from the people of Madinah."  

الحاكم:٨٥٧ – مَا أَخْبَرْنَاهُ أَبُو مُحَمَّدٍ أَحْمَدُ بْنُ عَبْدِ اللَّهِ الْمُزَنِيُّ ثنا أَبُو جَعْفَرٍ الْحَضْرَمِيُّ وَعَبْدُ اللَّهِ بْنُ غَنَّامٍ قَالَا ثنا عَبْدُ اللَّهِ بْنُ سَعِيدٍ الْأَشَجُّ ثنا يَحْيَى بْنُ الْيَمَانِ عَنِ ابْنِ أَبِي ذِئْبٍ عَنْ سَعِيدِ بْنِ سَمْعَانَ عَنْ أَبِي هُرَيْرَةَ

أَنَّ رَسُولَ اللَّهِ ﷺ كَانَ «يَنْشُرُ أَصَابِعَهُ فِي الصَّلَاةِ نَشْرًا» «سَعِيدُ بْنُ سَمْعَانَ تَابِعِيٌّ مَعْرُوفٌ مِنْ أَهْلِ الْمَدِينَةِ»  

See similar narrations below:

Collected by Ibn Ḥibbān

ذِكْرُ مَا يُسْتَحَبُّ لِلْمَرْءِ نَشْرُ الْأَصَابِعِ عِنْدَ التَّكْبِيرِ لِافْتِتَاحِ الصَّلَاةِ

ibnhibban:1769 – Ibn Khuzaymah > ʿAbdullāh b. Saʿīd al-Ashaj > Yaḥyá b. al-Yamān > Ibn Abū Dhiʾb > Saʿīd b. Samʿān > Abū Hurayrah

[Machine] "That the Messenger of Allah ﷺ used to spread his fingers during prayer."  

ابن حبّان:١٧٦٩ – أَخْبَرَنَا ابْنُ خُزَيْمَةَ قَالَ حَدَّثَنَا عَبْدُ اللَّهِ بْنُ سَعِيدٍ الْأَشَجُّ قَالَ حَدَّثَنَا يَحْيَى بْنُ الْيَمَانِ عَنِ ابْنِ أَبِي ذِئْبٍ عَنْ سَعِيدِ بْنِ سَمْعَانَ عَنْ أَبِي هُرَيْرَةَ

«أَنَّ رَسُولَ اللَّهِ ﷺ كَانَ يَنْشُرُ أَصَابِعَهُ فِي الصَّلَاةِ نَشْرًا»