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What's the difference?

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All stages · Demo 234

ISWC check

Choice work / recording / other. An ISWC is T plus nine digits plus a Mod 11,10 check. Jev never runs 7064. A flipped check rejects. Letters in the body reject.

ChoiceISWC ISO 7064 in JS

A digit tape. T-034524680-7 books a work. A last-digit flip rejects. T-ABC never digits.

replaykind —iswc —

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.