diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for xch
 
+## 0.1.0.1 -- 11-14-2026
+
+* Add golden sample test
+
 ## 0.1.0.0 -- 11-13-2026
 
 * First version. Released on an unsuspecting world.
diff --git a/data/sample.golden b/data/sample.golden
new file mode 100644
--- /dev/null
+++ b/data/sample.golden
@@ -0,0 +1,90 @@
+<xch>
+  <svdat>
+    <state>foo</state>
+    <time>1970-01-01T00:00:34.5Z</time>
+    <pos>
+      <ned>
+        <north>0.0</north>
+        <east>1.0</east>
+        <down>2.0</down>
+      </ned>
+    </pos>
+    <vel>
+      <ned>
+        <north>0.3</north>
+        <east>0.4</east>
+        <down>0.5</down>
+      </ned>
+    </vel>
+  </svdat>
+  <svdat>
+    <state>bar</state>
+    <time>1970-01-01T00:00:02.2Z</time>
+    <pos>
+      <ned>
+        <north>0.5</north>
+        <east>0.6</east>
+        <down>0.7</down>
+      </ned>
+    </pos>
+  </svdat>
+  <misn>
+    <trig>at noon</trig>
+    <evt>lunch</evt>
+    <evt>hot dog</evt>
+    <evt>wine</evt>
+  </misn>
+  <misn>
+    <trig>at 6PM</trig>
+    <evt>dinner</evt>
+    <evt>spaghetti</evt>
+    <evt>boba</evt>
+  </misn>
+  <com>
+    <good/>
+  </com>
+  <aedat>
+    <ae>anomaly</ae>
+    <actdur>
+      <act>4</act>
+      <dur>5</dur>
+    </actdur>
+    <loc>
+      <geo>area 61</geo>
+      <lat>
+        <cord>
+          <dgs>0</dgs>
+          <mns>1</mns>
+          <sds>2.0</sds>
+        </cord>
+      </lat>
+      <lon>
+        <cord>
+          <dgs>3</dgs>
+          <mns>4</mns>
+          <sds>5.9</sds>
+        </cord>
+      </lon>
+      <lat>
+        <cord>
+          <dgs>5</dgs>
+          <mns>6</mns>
+          <sds>7.8</sds>
+        </cord>
+      </lat>
+      <lon>
+        <cord>
+          <dgs>9</dgs>
+          <mns>10</mns>
+          <sds>11.1</sds>
+        </cord>
+      </lon>
+      <alt>3.14</alt>
+    </loc>
+    <dfn>cactus</dfn>
+  </aedat>
+  <aedat>
+    <ae>emergency</ae>
+    <dfn>fashion</dfn>
+  </aedat>
+</xch>
diff --git a/test/Main.hs b/test/Main.hs
--- a/test/Main.hs
+++ b/test/Main.hs
@@ -1,19 +1,38 @@
 module Main (main) where
 
+import qualified Data.ByteString.Lazy.Char8 as BS
 import Data.List
 import Data.Word
 import Data.Xch
 import Hedgehog
 import qualified Hedgehog.Gen as Gen
 import qualified Hedgehog.Range as Range
+import Paths_xch
+import System.FilePath
 import Text.Megaparsec
 import Test.Tasty
+import Test.Tasty.Golden
 import Test.Tasty.HUnit
 import Test.Tasty.Hedgehog
 
 main :: IO ()
-main = defaultMain $ testGroup "Test.Xch"
-  [testEmpty, testSVDat, testMsnEvt, testComStat, testAEDat, ptrip]
+main = getDataDir >>= \dataDir ->
+  defaultMain $ testGroup "Test.Xch"
+  [ testEmpty, testSVDat, testMsnEvt, testComStat, testAEDat, ptrip
+  , goldTest "sample" (dataDir </> "sample.golden")
+    [ SVDat "foo" [Time 34.5, Pos $ NED 0 1 2, Vel $ NED 0.3 0.4 0.5]
+    , SVDat "bar" [Time 2.2, Pos $ NED 0.5 0.6 0.7]
+    , MsnEvt "at noon" ["lunch", "hot dog", "wine"]
+    , MsnEvt "at 6PM"  ["dinner", "spaghetti", "boba"]
+    , ComStat Good
+    , AEDat "anomaly"
+      [ ActDurTime 4 5
+      , LocGeo "area 61" [(Cord 0 1 2, Cord 3 4 5.9), (Cord 5 6 7.8, Cord 9 10 11.1)] (Just 3.14)
+      , Dfn "cactus"
+      ]
+    , AEDat "emergency" [Dfn "fashion"]
+    ]
+  ]
 
 testEmpty :: TestTree
 testEmpty = testCase "empty" $ do
@@ -139,3 +158,6 @@
 
 rangeList :: Range Int
 rangeList = Range.linearFrom 0 0 64
+
+goldTest :: String -> FilePath -> Xch -> TestTree
+goldTest n p x = goldenVsString n p $ return $ BS.pack $ wxch x ++ "\n"
diff --git a/xch.cabal b/xch.cabal
--- a/xch.cabal
+++ b/xch.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               xch
-version:            0.1.0.0
+version:            0.1.0.1
 synopsis:           Space Data Exchange
 description:        ASTM F3514-21
 homepage:           https://github.com/dopamane/xch
@@ -13,6 +13,8 @@
 build-type:         Simple
 extra-doc-files:    CHANGELOG.md
                     README.md
+data-dir:           data
+data-files:         sample.golden
 
 source-repository head
   type: git
@@ -47,11 +49,16 @@
   hs-source-dirs:   test
   type:             exitcode-stdio-1.0
   main-is:          Main.hs
+  other-modules:    Paths_xch
+  autogen-modules:  Paths_xch
   build-depends:
     base < 5,
+    bytestring,
+    filepath,
     hedgehog,
     megaparsec,
     tasty,
+    tasty-golden,
     tasty-hedgehog,
     tasty-hunit,
     xch