AISessionProof

Cryptographically verifiable AI conversation capture

What AISessionProof Does

✔ Proves what was shown
✔ Proves when it was shown
✔ Proves where it was shown
✔ Ensures content integrity via SHA-256 hashing
✔ Provides server-side ECDSA signature

What It Does NOT Prove

✖ Truthfulness
✖ Accuracy
✖ Correctness of AI output
✖ Legal validity without context

Browser Extension

The AISessionProof browser extension allows you to:

Capture AI conversations
Export raw capture JSON
Send capture to server for signature
Verify signatures offline

Download Extension

Installation (Chrome / Chromium)

Download the extension ZIP
Extract the folder
Go to chrome://extensions
Enable Developer Mode
Click "Load unpacked"
Select the extracted folder

API Endpoint

POST /api/seal

Accepts JSON with:

Replay protection via KV
SHA-256 integrity verification
Server timestamp attestation
ECDSA P-256 signature generation