diff --git a/mass_z_measure.py b/mass_z_measure.py
index 5d03bf2..8d074e6 100644
--- a/mass_z_measure.py
+++ b/mass_z_measure.py
@@ -100,3 +100,10 @@ print(f"{'='*70}")
 with open("/root/organ-architecture/z_measure_report.json", "w") as f:
     json.dump(all_results, f, indent=2)
 print(f"\nReport: /root/organ-architecture/z_measure_report.json")
+# ╔══ SALKA ELMADANI AUTHORSHIP CERTIFICATE ══╗
+# © Salka Elmadani 2025-2026 — ALL RIGHTS RESERVED
+# Licensed under Business Source License 1.1 — https://inference-x.com
+# ─────────────────────────────────────────────────────────
+# SHA256: 711671a1721bae194388cb363ad0bfcb2ed874f007a45e45ea6ed5d917cbf060
+# SIG-ED25519: Jd0hVyr5epgPlpNjtioVeKfPaOeYgRiAnAEnxINh51WsfwGFLJouBDdYribxqY0JOmOnDwjGnOK5I9qeJJTRDg==
+# VERIFY: python3 verify_authorship.py mass_z_measure.py