Automatic verification
Generate a receipt, verify it, tamper with it, and watch verification fail.
The runtime signs. The verifier validates. Tampering is rejected. These demos show CommandLayer receipts moving from action/event to signed proof to independent verification.
The Coinbase webhook step in browser demos is simulated because real Coinbase delivery requires COINBASE_WEBHOOK_SECRET server-side. The x402 paid-action and verifier steps are live network calls. x402 runs in demo_accepted_envelope mode by default; provider_verified mode requires X402_PROVIDER_VERIFICATION_URL. Demo mode is not real settlement.
Generate a receipt, verify it, tamper with it, and watch verification fail.
Simulated Coinbase event → live x402 signed endpoint → action execution → live verifier.