Verify a Document — GlobalDocsHub

Provide a PDF file or paste the SHA-256 hash of a document you want to verify.

We compute the hash of your upload and compare it against our immutable index.

See whether the document is in our index, who authored it, and when it was verified.

Document Verification

Upload PDF to Verify *

Drag & drop or click to browse

PDF only · max 50 MB · We compute the hash server-side; your file is not stored

Your Email (optional — receive result by email)

Reason for Verification (optional)

✓Uploaded PDFs are processed in memory only — not stored on our servers
✓Only the computed SHA-256 hash is logged, not the document content
✓Verification queries are not linked to identifying information unless you provide your email
✓All verification traffic is TLS 1.3 encrypted

✓ Match

Document found. Returns: verified physician name, submission timestamp, journal, DOI, and SHA-256.

⚠ No Match

Document not in our index — either not submitted for verification, or the file has been modified since submission.

✗ Retracted

Document was previously verified but has been formally retracted. Retraction reason is displayed.