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What's the difference?

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All stages · Demo 153

IMEI tape

Choice handset / modem / iot. Fifteen digits, last is a check. Jev never doubles alternate digits.

ChoiceIMEI Luhn after kind

A digit tape with the check cell in magenta. 490154203237518 passes; one-off last digit rejects.

replaykind —luhn —

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.