[mattmg83]

The entire TIC industry (I work for Underwriters Laboratories) does just that, we independently test and certify and then audit the factories to make sure it’s still made the same way as the original sample. Problem is... people counterfeit our certificates, and some retailers don’t care much

[jfim]

For those wondering, TIC stands for testing, inspection and certification.

[tormeh]

Then stop using certificates. Have a website where retailers can check if the supplier is certified. Using signed pieces of paper as evidence is inferior to just querying the certifier directly.