This tradition has been transmitted by Hisham through a different chain of narrators to the same effect:Rub it off (with a stone), and then scratch it (with finger) by pouring water, then sprinkle water upon it
Opening the collection...
“Read in the name of your Lord who created.” 96:1
“My Lord, increase me in knowledge.” 20:114
“So remember Me; I will remember you.” 2:152
“Indeed, with hardship comes ease.” 94:6