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Proof Receipt Verifier

Support check for matching a file hash to the SHA-256 value inside a proof bundle JSON.

Runs only in this browser session. No uploads or network calls.

Input

Upload file to verify Any file type is accepted. Upload proof bundle JSON Must include a sha256 field with 64 hexadecimal characters.

Verdict

Ready

Verdict: Upload both files, then run check.

This tool compares file hash output against the proof bundle SHA-256 value only.

What this checks

Uploaded file: —
File size: —
Computed SHA-256: —
Expected SHA-256: —
Issuer: —
Issued at: —
Notes: —

What this does not check

Does not verify publisher identity or signature authenticity.
Does not validate proof-bundle issuance process or provenance.
Does not determine whether the file is safe, benign, or malicious.