Is my USB-C 20W Power adaptor genuine or not?

I’ve recently bought a USB-C 20W power adaptor. The seller claimed that it is a genuine Apple product. But now I'm really not sure about if it original or not.

The sticker on the bottom is kind of crookedly sticked and the qr-code does not lead anywhere, when I scan it. Checked the YouTube tutorials, and I have a lot more questions now. According to the video, the box looks legit, but the bottom sticker…