Every league game gets a secret number before it is scheduled, and we publish that number's fingerprint right away. When the game ends we reveal the number. This page then replays the game on your own device, from the number, using the published engine, and checks that every roll matches.
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What this does and does not prove
It proves the dice were fixed before the game: the secret number matches the fingerprint that was published first, and the game follows from that number, the two clubs and the engine's published code. Nobody could have changed a roll afterward.
It does not prove that our server ran exactly this engine. You are trusting our server for that, and the engine's fingerprints are pinned in its code.
It does not prove we didn't try different secret numbers in advance and keep one we liked. We have no reason to, and no way to know a game's lineups and settings that early, but a replay can't rule it out.