this is very good tip for #photoDNA or any selfhosted AI model @quentin to integrate this foss software into nostrcheck package. (using external free/paid indexing or content searching means dependency on another 3rd party service i.e. BAD by design) - there is nohing gives 100% guarantee in cat n mouse game BUT MITIGATING 80% solves good part the problem. also look POW and/or NIP-42 also which limit attackers limit resource also.