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Copied work

Do not edit the original. Date what you still have.

A screenshot of a chat is not a timestamp. If the file still matches the bytes you first sent, hash it. If you already have a certificate, verify. If not, stamp the current file so the next copy has a later date than yours.

$4.99 — buy one, get one. Then attach the certificate ID to your notice.

Sellar ahora

Hashear es gratis. El certificado formal cuesta $4.99: compras 1 y recibes 2.

Pagas una unidad y se añaden dos sellos. Los créditos no caducan. La verificación sigue gratis.