Public document verification

Hague Convention–aligned lookup by document serial (ID) and optional SHA-256 digest. Cryptographic RSA-SHA256 verification uses the published verifying key.

Registry lookup

Document: GUOSMM-C-2026-010

Title: zBank — Commodities and Bullion Add-On Charter

Signature status: production

Signed at: 2026-07-12T09:03:24.341Z

Content SHA-256: c7328b4b210a7bbf2b5ea4c51caa5eef9090f84d253919accd52f7e0cb94952d

Revocation: No revocation record in publication log for this ID.

Upload body.md for hash check

Select a downloaded body.md to compute SHA-256 in your browser.

Verification checklist

  1. Locate document ID in notices archive
  2. Click Verify signature for RSA-SHA256 check against order signing key
  3. Run sha256sum body.md or upload file above — must match envelope and signature manifest
  4. API: GET /api/v1/documents/{id}/verify returns signatureValid
  5. For apostille, follow Hague authentication workflow