Ghost Signature: Cryptographic Receipts for AI Output (Ed25519 + JWKS)

TL;DR I built a tiny API that lets your AI agent cryptographically sign every output with Ed25519, so anyone can verify "yes, this came from agent X at time Y, unmodified" — without trusting you, me, or any platform. Public verify endpoint, free 20 signs/month, no SDK. Try it on RapidAPI . The "did AI write this?" arms race is the wrong question Every week another startup launches an "AI detector". Every week another paper shows they're 60% accurate at best, and they flag human writing as AI all