One claim
A used credential cannot establish a second initial custodian.
ESTABLISH CUSTODY
A physical Archive Key can be claimed once. Sign in with the intended custodian email, then enter the credential supplied inside the object.
01 / AUTHENTICATE
The claim credential proves possession of the physical issue. The email access link proves control of the holder account. Both are required before access is granted.
A used credential cannot establish a second initial custodian.
Your email never appears in the public registry.
Future custody moves through a controlled acceptance process.