I remember reading an article from MIT earlier this year where they deposited metallic particles into adhesive of an id tag and registered the unique dispertion

I remember reading an article from MIT earlier this year where they deposited metallic particles into adhesive of an id tag and registered the unique dispertion of the metallic particles as a way to verify a genuine or fake product https://news.mit.edu/2024/tiny-tamper-proof-id-tag-can-authenticate-almost-anything-0218 https://news.mit.edu/2024/tiny-tamper-proof-id-tag-can-authe...