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How it works

A screenshotnobody can edit.

A screenshot you take yourself is worth what the person looking at it thinks of you. One taken by this site has a fingerprint, a time, and a Solana transaction that anybody can check without trusting you or us. That is the whole product.

What happens to a link

1

A browser we run opens it

Not your browser: ours, on a server, with nobody logged in. It loads the address, waits for the page to settle, and takes a full-page picture of what it was served.

2

The picture gets a fingerprint

SHA-256 of the picture’s bytes: sixty-four characters that change if one pixel changes. The fingerprint, the address and the exact time are written down together.

3

It goes on Solana

A hash of those three facts is written into a Solana mainnet transaction. The network stamps it with its own block time, and from then on the date does not depend on this site existing.

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