Contribute reference photos
Complete a guided bottle capture for private review.
- Free to contribute
- Accepted references earn 2 check credits
Visual evidence, built by collectors
See how careful bottle comparison begins.
Explore a short, no-upload demonstration. Trusted collectors can also help build the private reference library.
Human reviewedBefore reference use8–12 minutesTypical contributionSources stay privateNo receipts requestedHonest limitsNo authenticity guarantee
Bottle-check preview
Review the planned evidence categories and limitations.
- Preview only
- No authenticity guarantee
Current pilot progressA transparent view of the reference library
- Reviewed bottles
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- Reference photos
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- Catalog variants
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