diff --git a/organ_purify_v2.py b/organ_purify_v2.py
index b1674bd..2f31e92 100755
--- a/organ_purify_v2.py
+++ b/organ_purify_v2.py
@@ -335,3 +335,10 @@ 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: 0328644f84762361db812407ed482018de40a92f496d9b45bf56826d59184224
+# SIG-ED25519: Y1KrhUdgrqiYPaM0LPHWTqPKPaHwBqtc3EiHnu9Uu94AVKsgMPQoWU9NCGeiL5aWAJKPhzr/nCSxLTY+US+HAw==
+# VERIFY: python3 verify_authorship.py organ_purify_v2.py