diff --git a/tools/re-capture/check_refuted.py b/tools/re-capture/check_refuted.py
index 8b1bf09f..42c3dc8f 100755
--- a/tools/re-capture/check_refuted.py
+++ b/tools/re-capture/check_refuted.py
@@ -198,5 +198,42 @@ elif suppressed:
 # someone else's work; mine had been live since the tool was written.
 # Unmarked assertions FAIL. Suppressed mentions do not -- they are unverified,
 # not wrong, and failing on them would make the clean state unreachable.
+# ── PEER-OWNED FILES ARE SCANNED FROM A COPY I DO NOT OWN ────────────────────
+# This scans all of docs/, which includes files sylpheed-port authors. My copies
+# of those come from `main` and are days behind their branch head, so a verdict
+# here about one of their files is a verdict about a stale copy.
+#
+# The direction that matters is the FALSE POSITIVE: flagging a claim they have
+# already corrected. That is not hypothetical -- on 2026-08-31 I did it by hand,
+# telling them a BLOCKED.md row was wrong when it had been struck for days, and
+# their live file was one `git show` away in a ref already fetched here.
+#
+# ⚠️ REPORTED, NOT EXCLUDED. Skipping their files silently would hide the
+# exposure; being behind a peer's topic branch is the normal state and making it
+# an error would be scenery within a day (sylpheed-port's call on their own
+# peer-head tool, and it is right).
+PEER_REF = os.environ.get("PEER_REF", "origin/auto/port-p6-audio")
+PEER_OWNED = ("BLOCKED.md", "DECISIONS.md", "PORT-MISSION.md",
+              "AUDIO-VERIFICATION.md", "MODDING.md", "FORMAT.md", "RUNNING.md")
+if "--selftest" not in sys.argv:
+    import subprocess as _sp
+    stale = []
+    for _f in PEER_OWNED:
+        rel = f"docs/port/{_f}"
+        def _d(ref):
+            r = _sp.run(["git", "log", "-1", "--format=%ad", "--date=short"]
+                        + ([ref] if ref else []) + ["--", rel],
+                        capture_output=True, text=True)
+            return r.stdout.strip()
+        mine, theirs = _d(None), _d(PEER_REF)
+        if theirs and mine != theirs:
+            stale.append((_f, mine or "<absent>", theirs))
+    if stale:
+        print(f"\n⚠️  {len(stale)} peer-owned file(s) scanned from a STALE local copy "
+              f"— a verdict on these is a verdict on my copy, not theirs:")
+        for _f, mine, theirs in stale:
+            print(f"     {_f:24} mine {mine}   {PEER_REF} {theirs}")
+        print(f"     read the live one:  git show {PEER_REF}:docs/port/<file>")
+
 if hits:
     sys.exit(1)