diff --git a/flink-processor/docs/parity-status.md b/flink-processor/docs/parity-status.md
index bf2650e..ffe002e 100644
--- a/flink-processor/docs/parity-status.md
+++ b/flink-processor/docs/parity-status.md
@@ -41,3 +41,16 @@ For comparability with the SQL-surface bindings, the facade is also matched agai
 
 - Addressable distinct C symbols: **1335**; bound by JMEOS: **1065**; exposed by the facade: **939** (88.2% of the JMEOS-bindable SQL surface).
 
+## 5. Runtime symbol resolution
+
+Every facade method delegates to a libmeos symbol of the same name. Against a libmeos built with the extended modules (`-DCBUFFER=ON -DNPOINT=ON -DPOSE=ON -DRGEO=ON`), **2152 of 2160** facade methods resolve to an exported symbol. The following require a libmeos built from current MEOS sources:
+
+- `geog_from_binary`
+- `nad_stbox_trgeo`
+- `tcbuffer_from_mfjson`
+- `tfloat_avg_value`
+- `tnpoint_from_mfjson`
+- `trgeo_points`
+- `trgeo_rotation`
+- `trgeo_segments`
+
diff --git a/flink-processor/src/test/java/org/mobilitydb/flink/meos/MeosFacadeSmokeTest.java b/flink-processor/src/test/java/org/mobilitydb/flink/meos/MeosFacadeSmokeTest.java
index 93165d7..b116f65 100644
--- a/flink-processor/src/test/java/org/mobilitydb/flink/meos/MeosFacadeSmokeTest.java
+++ b/flink-processor/src/test/java/org/mobilitydb/flink/meos/MeosFacadeSmokeTest.java
@@ -40,6 +40,14 @@ void coreTbox() {
         assertTrue(MeosOpsTBox.tbox_out(tbox, 6).contains("TBOX"));
     }
 
+    @Test
+    void coreIntspan() {
+        Pointer span = MeosOpsIntSpan.intspan_in("[1, 5)");
+        assertNotNull(span);
+        String out = MeosOpsIntSpan.intspan_out(span);
+        assertTrue(out.contains("1") && out.contains("5"));
+    }
+
     @Test
     void geoStbox() {
         Pointer stbox = MeosOpsSTBox.stbox_in("STBOX X((1,1),(2,2))");
@@ -75,5 +83,6 @@ void pose() {
         Pointer pose = MeosOpsFreePose.pose_in("Pose(Point(1 1), 0.5)");
         assertNotNull(pose);
         assertNotNull(MeosOpsFreePose.pose_out(pose, 6));
+        assertEquals(0.5, MeosOpsFreePose.pose_rotation(pose), 1e-9);
     }
 }
diff --git a/flink-processor/tools/parity/parity_audit.py b/flink-processor/tools/parity/parity_audit.py
index 7548738..5596e59 100644
--- a/flink-processor/tools/parity/parity_audit.py
+++ b/flink-processor/tools/parity/parity_audit.py
@@ -69,6 +69,11 @@ def facade_methods(d):
     return syms
 
 
+def libmeos_symbols(path):
+    out = subprocess.run(["nm", "-D", path], capture_output=True, text=True).stdout
+    return {line.split()[-1] for line in out.splitlines() if line.strip()}
+
+
 def public_surface(inc):
     fam, allpub = {}, set()
     for h in PUBLIC_HEADERS:
@@ -106,10 +111,14 @@ def main():
     ap.add_argument("--facade", default=os.path.join(here, "src/main/java/org/mobilitydb/flink/meos"))
     ap.add_argument("--mdb-sql", default="/home/esteban/src/MobilityDB/mobilitydb/sql")
     ap.add_argument("--out", default=os.path.join(here, "docs", "parity-status.md"))
+    ap.add_argument("--libmeos", default=None,
+                    help="path to a built libmeos.so; cross-checks that every facade method "
+                         "resolves to an exported symbol (runtime resolution check)")
     a = ap.parse_args()
 
     jm = jmeos_symbols(a.jar)
-    fa = facade_methods(a.facade) & jm
+    fa_all = facade_methods(a.facade)
+    fa = fa_all & jm
     pub, fam = public_surface(a.meos_include)
     bindable = pub & jm
     covered = bindable & fa
@@ -178,6 +187,21 @@ def main():
              f"exposed by the facade: **{sql_cov}** "
              f"({pct(sql_cov, sql_bindable):.1f}% of the JMEOS-bindable SQL surface).\n")
 
+    if a.libmeos:
+        libsyms = libmeos_symbols(a.libmeos)
+        resolved = fa_all & libsyms
+        unresolved = sorted(fa_all - libsyms)
+        L.append("## 5. Runtime symbol resolution\n")
+        L.append("Every facade method delegates to a libmeos symbol of the same name. Against a "
+                 "libmeos built with the extended modules (`-DCBUFFER=ON -DNPOINT=ON -DPOSE=ON "
+                 "-DRGEO=ON`), "
+                 f"**{len(resolved)} of {len(fa_all)}** facade methods resolve to an exported "
+                 "symbol. The following require a libmeos built from current MEOS sources:\n")
+        L.append(("\n".join(f"- `{n}`" for n in unresolved) if unresolved
+                  else "- (none — all facade methods resolve)") + "\n")
+        print(f"libmeos resolution:         {len(resolved)}/{len(fa_all)} "
+              f"({len(unresolved)} unresolved)")
+
     md = "\n".join(L) + "\n"
     os.makedirs(os.path.dirname(a.out), exist_ok=True)
     open(a.out, "w").write(md)