Yep I agree too that the blade pushed up metal on both sides of these scratches. Most often we only see the metal "smushed" up on one side. Perhaps in the case the blade was perpendicular to the surface, but usually not perpendicular and the metal is biased to one side.
"If you climb a good tree, you get a push."
-----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz