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What's the difference?

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All stages · Demo 273

CUIT mill

Choice persona / empresa / other. CUIT is eleven digits with an 11-check. Jev never mods 11. Ten digits need 11.

ChoiceCUIT checksum in JS

A digit tape. 20123456786 books a persona. A last-digit flip rejects. Ten digits never pass.

replaykind —cuit —

STANDBY

All 4056 stages

Educational stage on jev.page — not the official TypeSafe console. Live calls go to POST https://api.typesafe.ai/v1/systemone from your browser when you paste a key. Without a key, the stage plays a recorded decision shaped like jev-1.13.0. Jev does not write the UI copy.