ENTROPYSEAL VERIFIER

How this works core — no network

Record a sealed jar's pattern once, then check it any time. Everything stays on this device.

First time? Read how it works

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Your seals

Nothing recorded yet. Close a jar firmly, then record its pattern. How recording works

Backup

Your seals live only in this browser. Export them to an encrypted file after every recording, and keep it away from the jars. Why this matters

Capture

Looking for a lid…

Distance —

lid must fill enough of the frame

Tilt —

look straight down at the lid

Glare —

tilt away from lights and screens

Coverage —

how much of the pattern is readable

Camera

Result

Seal: —

Phase code —

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Image correlation —

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Correlation —

how strongly the texture matches the recording

See exactly how this was decided The full working, with this check's own measurements and figures

The short version

How the method works in general

Name —

Where it differs from the rest of this lid

Camera off

Seal record

Protect this file

The export is encrypted under a passphrase you choose. There is no way to recover it if you forget — use several words you will remember.

Passphrase Repeat the passphrase Show passphrase

Name this seal

Name it after what is inside, so you recognize it on the shelf.

Seal name

Its name, from the lid — Computed from the lid using data saved in this vault. Write the four words on the jar to tell it apart from others. Only a device holding this vault, or a restored export, can compute them again.

Forget this seal?