The Source of Traditions on Imam al-Riḍā (Vol 2) · Hadith 134 (#Ḥadīth #134)
Chapter 1 | Traditions about Ar-Ridha
134 - وَبِهذَا الإِسنادِ عَنْ عَلِىِّ بْنِ أَبِي طالِبٍ عَلَيْهِالسَّلامُ قالَ: كانَ النَّبِيُ صَلَّى اللهُ عَلَيْهِ وَآلِهِ إِذا أَكَلَ الَّتمرَ يَطرَحُ النَّوى عَلى ظَهرِ كَفِّهِ ثُمَّ يَقذِفُ بِهِ.
31-134 According to the same documentation, Ali ibn Abi Talib said, “When God’s Prophet (S) ate dates, he put the seeds on the back of his hands and threw them away.”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).