# The success message lied: how we prove a form works

Status: DRAFT, nothing posted. Idea IB-0915. Single-image infographic, 2 slides, no cover.

## What it shows

How a form is proven to deliver, step by step, and why a success message on screen is not enough.

## Claims and sources

| Claim | Source (read 2026-10-11) |
|---|---|
| A form is proven by a received email, not a rendered success message | `.claude/rules/16-form-pipeline-default.md` and `.claude/rules/21-ranking-safe-cutover.md` (Form delivery PROVEN) |
| Default pipeline: form, Cloudflare Worker, Resend email, with Turnstile and honeypot anti-spam | `.claude/rules/16-form-pipeline-default.md` |
| Attribution fields (gclid, utm) are preserved | Same rule |
| Test submits go to internal addresses only | Same rule |