Guides
Practical walk-throughs for the specific situations that bring people to a Bitcoin-anchored timestamping service. No abstract crypto theory — just the workflow for your case.
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How to prove a photo existed before AI training
For photographers and illustrators worried about generative-AI accusations or dataset scraping. Walk-through plus the workflow at delivery time.
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Bitcoin-anchored file timestamping
What actually happens between dropping a file in your browser and seeing the hash inside a Bitcoin block. And why the per-file cost is effectively zero.
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An open alternative to C2PA / Content Credentials
Vendor-neutral provenance for creators who don't want their proof of authorship tied to a single certificate authority.
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OpenTimestamps for photographers, explained
The protocol underneath Orphograph in plain language. What the .ots file is, what it proves, and why five calendars beat one.
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Prove the exact wedding photos you delivered, and when
A small delivery-day ritual that pays back the first time a client (or a stranger online) disputes your work.
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Establish a manuscript priority date
For novelists and researchers: cheaper than copyright registration, stronger than the "mail yourself an envelope" trick.
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Timestamp screenshots as forensic evidence
A bare screenshot is among the weakest digital evidence. Anchor seconds after capture and the picture changes.
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AI image detection vs cryptographic provenance
Detectors guess. Provenance proves. A side-by-side on tradeoffs and when each is the right tool.
Anchor your first file — free
Three anchors every 24 hours, free forever. No signup. Drop a file, get a Bitcoin-anchored receipt in your browser.