All stages · Demo 317

Romanian CNP

Choice cnp / vat / other. Thirteen digits; remainder 11, 10 becomes 1. Jev never weights them. Twelve digits need 13.

ChoiceCNP weights in JS

A digit tape. 1850101410014 books an ANAF plate. A last-digit flip rejects. Twelve digits never pass.

replaykind —cnp —

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.