As in the title, I built something and looking for feedback. AIPTO -- a cryptographic record of when you wrote a prompt, before you ever disclose it. I built this after discovering WIPO ran an official timestamping service called WIPO PROOF until 2022, then shut it down. No private company built a replacement for AI-native IP. So I this is my attempt to fill in that gap. AIPTO hashes your prompt client-side (SHA-256, text never leaves your browser), timestamps the hash with RFC 3161, and g...