Verify a receipt.

Drop a REAP proof-of-delivery receipt below. Add the delivered file to confirm it's byte-for-byte identical to what was sent.

Nothing uploads. Every check runs in your browser.

Receipt

drop or click · *.receipt.json

File (optional)

drop or click · the delivered file itself

Ed25519 + BLAKE3 — public standards. Anyone can re-verify a receipt without this page.
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