Verification helper
Test FB contest
Every URL on this page is public, auto-populated, and requires no authentication. Use them to confirm the draw was fair without trusting any party.
This contest's verification URLs
Open these in your browser, paste into curl, or hand them to an auditor. All are anonymous and read-only.
- Human-readable results page
- https://pickawinner.pro/results/SZgfwY2nrHqw8Ec1awtWWPac/test-fb-contest
- Winners, disqualifications, up to 1,000 participants. This is what you share publicly.
- Audit log (hash-chained history of every admin action)
- https://pickawinner.pro/results/SZgfwY2nrHqw8Ec1awtWWPac/audit-log.json
- JSON. Every administrative action — draws, redraws, cancellations, winner notifications — chained via SHA-256. Sent with
Cache-Control: no-storeso tamper alerts are immediate. Used in Levels 3 and 4 of the verification guide. - Bitcoin-anchor proof
- No anchor recorded yet for this contest. The hourly anchoring job runs at minute 23 of every hour; check back after the next cycle if this contest has audit events.
Embed a verification badge
Show entrants this draw is independently verifiable. Drop the badge on your site or link it from your post — it links back to this page, where anyone can confirm the result without trusting you (or us).
Copy this HTML
How to actually use these URLs
The step-by-step verification guide walks through six levels of verification, from a one-glance badge to scripted retroactive-tamper monitoring. Each level states the trust threshold it requires.
For the full methodology — randomization algorithm, immutability layers, threat model, and honest limitations — see the Fairness Analysis.