PennyScan
Checking sign-in state…
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This browser holds a valid session.
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1 · Boot code
Printed once in the Railway deploy log when no device is enrolled. Valid 60 minutes, five attempts.
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2 · Authenticator
Scan this once. You will need a code from it to approve every future device, so set it up before the passkey exists — not after.
Or enter the secret by hand:
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3 · Passkey
Use a registered passkey to sign in.
Enrol this device
Name this device and press Request. A code appears here; read it out to a device that is already signed in and approve it there. That device needs a code from your authenticator too.
Read this code to your trusted device:
Waiting for approval…
This system is locked down. Every session was invalidated and sign-in is refused. Recovery needs the code printed in the latest deploy log plus a current authenticator code.