The problem this product is built around
A photo in a chat proves only that a file was sent. It does not tell the recipient when it was made, where the device placed it, whether the pixels changed later, or which notes belong to the capture. A watermark helps people read a photo but does not by itself make the file auditable.
How Prooflens solves it
Prooflens captures the image and creates a timestamped evidence record. It can burn date, time, GPS, altitude and a note into the visible pixels, while the cryptographic package keeps the original and manifest separate. A SHA-256 hash detects later changes; an RFC 3161 timestamp and optional Bitcoin anchor add independent time evidence. Open the Prooflens product page to see current availability and plan details.
A practical workflow
- Grant only the location and camera permissions you need, then capture from inside Prooflens rather than importing a finished image.
- Review the time, location, altitude and note before sealing the capture.
- Export the original, manifest and verification material together as the handoff package.
- Give the recipient the verification instructions and keep your own copy of the exported package unchanged.
What to check before you trust the result
A hash proves file continuity, not that the scene itself was honest. GPS depends on device conditions and permission, and legal admissibility depends on the procedure, jurisdiction and testimony around the image. Prooflens makes the chain inspectable; it cannot replace a chain-of-custody policy.
Who this workflow is for
Use this for inspections, handoffs and incidents where another person must verify the file later. If you only need a timestamp to remember a personal event, the extra evidence package may be unnecessary.
Go deeper
The product page is the right place to start if you are deciding whether the workflow fits your problem. For detailed mechanics, read See what gets written into the pixels, and See what the export package contains.
The useful promise of Prooflens is specific: it shortens one repeated decision while keeping evidence, assumptions and stopping points visible. Start with one real task, inspect the result, and only then make it part of your routine. Try Prooflens.