Ubayy ibn Ka'b made me read the following verse as the Messenger of Allah ﷺ made him read: "in a spring of murky water" (fi 'aynin hami'atin) with short vowel a after h.
سَمِعْتُ ابْنَ عَبَّاسٍ يَقُولُ أَقْرَأَنِي أُبَىُّ بْنُ كَعْبٍ كَمَا أَقْرَأَهُ رَسُولُ اللَّهِ ﷺ { فِي عَيْنٍ حَمِئَةٍ } مُخَفَّفَةً