Verify

Verify a QA Pack

Paste the SHA-256 hash printed on the cover page of a Havto QA Pack PDF to confirm it has not been modified since generation.

No account is needed. The hash is checked against the pack's generation record.

SHA-256 hash

The hash printed on the QA Pack cover page, matching the pack's binary content.

The pack's generation record, stored when the PDF/A-3 was produced.

Match, no match, or invalid format — stated plainly with no ambiguity.

Your PDF never leaves this browser. Verification runs on your own machine — there is no upload, no server, no account and no tracking.

Drop an evidence pack here

or choose a file — PDFs, up to 50 MB each (drop several to verify a batch)