diff --git a/scripts/paper_openalex_match.py b/scripts/paper_openalex_match.py
new file mode 100644
index 0000000..2c4ddab
--- /dev/null
+++ b/scripts/paper_openalex_match.py
@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+"""OpenAlex 고신뢰 매치율 측정 — References 보유 논문(학술 추정) 표본."""
+import asyncio, os, re
+
+def toks(s):
+    return set(re.findall(r'[a-z0-9]+', (s or '').lower()))
+def sim(a, b):
+    ta, tb = toks(a), toks(b)
+    if not ta or not tb: return 0.0
+    return len(ta & tb) / len(ta | tb)
+
+async def main():
+    import asyncpg, httpx
+    conn = await asyncpg.connect(os.environ['DATABASE_URL'].replace('+asyncpg', ''))
+    rows = await conn.fetch("SELECT id, title FROM documents WHERE material_type='paper' "
+                            "AND doc_kind='standard' AND deleted_at IS NULL AND title IS NOT NULL "
+                            "AND coalesce(md_content,extracted_text) ~* 'references|참고문헌' "
+                            "ORDER BY id LIMIT 40")
+    hi = mid = lo = 0; hits = []
+    async with httpx.AsyncClient(timeout=20) as client:
+        for r in rows:
+            title = re.sub(r'\s+', ' ', r['title']).strip()
+            try:
+                resp = await client.get("https://api.openalex.org/works",
+                    params={"search": title[:200], "per_page": 1, "mailto": "hyun49196@gmail.com"})
+                res = (resp.json().get("results") or [])
+                if not res: lo += 1; continue
+                s = sim(title, res[0].get("title"))
+                if s >= 0.6: hi += 1; hits.append((s, title[:40], (res[0].get('title') or '')[:40], res[0].get('cited_by_count'), len(res[0].get('referenced_works') or [])))
+                elif s >= 0.4: mid += 1
+                else: lo += 1
+            except Exception: lo += 1
+    print(f"표본={len(rows)} 고신뢰(≥0.6)={hi} 중간(0.4~0.6)={mid} 저신뢰/무매치={lo}")
+    print("고신뢰 매치 샘플:")
+    for s, a, b, cb, rf in hits[:8]:
+        print(f"  sim={s:.2f} cited={cb} refs={rf} | {a} ≈ {b}")
+    await conn.close()
+
+asyncio.run(main())