diff --git a/organ_purify.py b/organ_purify.py
index 8104978..476f2bd 100755
--- a/organ_purify.py
+++ b/organ_purify.py
@@ -331,3 +331,10 @@ def main():
 
 if __name__ == '__main__':
     main()
+# ╔══ SALKA ELMADANI AUTHORSHIP CERTIFICATE ══╗
+# © Salka Elmadani 2025-2026 — ALL RIGHTS RESERVED
+# Licensed under Business Source License 1.1 — https://inference-x.com
+# ─────────────────────────────────────────────────────────
+# SHA256: d3ab5384c880f7e88fb7cdad4b2f9f56089ada8395d0013f5bd3b09d7ab631e8
+# SIG-ED25519: /rkXFm2tGuoAS61oxWZVlcTghUuGL8HJ11XRSaI4Ak+eEt54uo+3NETX2+5S8HAq72k6whQmbPI3f4jD8sF/CA==
+# VERIFY: python3 verify_authorship.py organ_purify.py