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Prove that a human wrote it

Prove that a human wrote it

by ttamslam·Feb 26, 2026·3 points·0 comments

AI Analysis

●●SolidShip ItNiche Gem

Tackles real frustration (AI slop in comments), but typing signals are easily spoofed.

Strengths
  • Addresses genuine HN pain point: distinguishing human-written vs AI-generated content without centralized moderation.
  • Platform-agnostic approach: shareable link works anywhere, no account or extension required today.
Weaknesses
  • Fundamental flaw: keystroke timing and edit patterns are trivially simulated by bad actors or humans typing slowly.
  • No cryptographic guarantee; relies on behavioral signals that improve LLM output makes this arms race, not solved.
Target Audience

HN users, content creators, anyone fighting AI-generated spam in comment sections

Similar To

Originality.ai · Turnitin · GPTZero

Post Description

Hey HN, my name is matt. I built "i typed it" as a platform agnostic proof for human typed text. I've been frustrated recently by posts and comments (on hn and elsewhere) that feel obviously ai generated. I don't mind using AI to brainstorm/edit/revise, but it's a bit painful when it seems like a human didn't even bother reading it before positing.

The tool today measures high level signals (typing consistency, paste %, edit rate ,etc.) to give a score. After writing your message you save an attestation link and include it in the post/comment. This basic approach is deeply flawed, but hopefully better than nothing. I'm curious what current state of the art is for _guaranteeing_ that something is human typed. Perhaps some sort of hardware integration?

I'm working on a browser extension, and a quick way to integrate attestations with comment sections so users don't need to include the link copy/pasted. Would love any and all feedback.

p: https://www.ityped.it/p/RvRegYS453Sy

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