Sample data only
60–90 second project demonstration
See the contributor experience without uploading anything.
This guided sample runs entirely in this page. It does not open the camera, call a submission service, consume an invitation entry, or write to the database.
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Step 1 of 4
Choose a contribution
The contributor path is free, while saving a real entry requires an invitation-linked profile.
Contribute reference photosFree · Invitation required to save
What this proves: the presentation and workflow can be demonstrated safely. It does not prove that the future image-comparison engine is accurate or scientifically validated.