diff --git a/blorg/config_test.go b/blorg/config_test.go
index 03451eb..61e5749 100644
--- a/blorg/config_test.go
+++ b/blorg/config_test.go
@@ -1,6 +1,12 @@
 package blorg
 
-import "testing"
+import (
+	"fmt"
+	"io/ioutil"
+	"os/exec"
+	"strings"
+	"testing"
+)
 
 func TestBlorg(t *testing.T) {
 	config, err := ReadConfig("testdata/blorg.org")
@@ -8,7 +14,23 @@ func TestBlorg(t *testing.T) {
 		t.Errorf("Could not read config: %s", err)
 		return
 	}
+	commitedHashBs, err := ioutil.ReadFile("testdata/public.md5")
+	if err != nil {
+		t.Errorf("Could not read hash bytes: %s", err)
+		return
+	}
 	if err := config.Render(); err != nil {
 		t.Errorf("Could not render: %s", err)
+		return
+	}
+	renderedHashBs, err := exec.Command("bash", "-c", fmt.Sprintf("find %s -type f | sort -u | xargs cat | md5sum", config.PublicDir)).Output()
+	if err != nil {
+		t.Errorf("Could not hash PublicDir: %s", err)
+		return
+	}
+	rendered, committed := strings.TrimSpace(string(renderedHashBs)), strings.TrimSpace(string(commitedHashBs))
+	if rendered != committed {
+		t.Errorf("PublicDir hashes do not match: '%s' -> '%s'", committed, rendered)
+		return
 	}
 }
diff --git a/blorg/testdata/public.md5 b/blorg/testdata/public.md5
new file mode 100644
index 0000000..9adc584
--- /dev/null
+++ b/blorg/testdata/public.md5
@@ -0,0 +1 @@
+89cf2d231acc494dde0a4f565e668242  -
diff --git a/etc/generate-fixtures b/etc/generate-fixtures
index 7a5be42..1af700f 100755
--- a/etc/generate-fixtures
+++ b/etc/generate-fixtures
@@ -5,3 +5,5 @@ for org_file in org/testdata/*.org; do
     ./go-org render $org_file html > org/testdata/$(basename $org_file .org).html
     ./go-org render $org_file org > org/testdata/$(basename $org_file .org).pretty_org
 done
+
+find blorg/testdata/public -type f | sort -u | xargs cat | md5sum > blorg/testdata/public.md5