Well, like I said, I wanted a 32-byte magic so it'd look nice in hex-dumps. So I had plenty of room. OTS proof files typically contain lots of 32-byte hash dig

Well, like I said, I wanted a 32-byte magic so it'd look nice in hex-dumps. So I had plenty of room. OTS proof files typically contain lots of 32-byte hash digests. So "wasting" 32 bytes on magic bytes isn't a big deal.