diff --git a/src/main/java/edu/stanford/cs/crypto/efficientct/commitments/ElGamalEncryption.java b/src/main/java/edu/stanford/cs/crypto/efficientct/commitments/ElGamalEncryption.java
new file mode 100644
index 0000000..d72ff38
--- /dev/null
+++ b/src/main/java/edu/stanford/cs/crypto/efficientct/commitments/ElGamalEncryption.java
@@ -0,0 +1,4 @@
+package edu.stanford.cs.crypto.efficientct.zetherprover;
+
+public class OpeningStatement {
+}
diff --git a/src/main/java/edu/stanford/cs/crypto/efficientct/zetherprover/ElGamalOpening.java b/src/main/java/edu/stanford/cs/crypto/efficientct/zetherprover/ElGamalOpening.java
new file mode 100644
index 0000000..dcc7de4
--- /dev/null
+++ b/src/main/java/edu/stanford/cs/crypto/efficientct/zetherprover/ElGamalOpening.java
@@ -0,0 +1,4 @@
+package edu.stanford.cs.crypto.efficientct.zetherprover;
+
+public class ElGamalOpening {
+}
diff --git a/src/main/java/edu/stanford/cs/crypto/efficientct/zetherprover/OpeningProof.java b/src/main/java/edu/stanford/cs/crypto/efficientct/zetherprover/OpeningProof.java
new file mode 100644
index 0000000..909efea
--- /dev/null
+++ b/src/main/java/edu/stanford/cs/crypto/efficientct/zetherprover/OpeningProof.java
@@ -0,0 +1,4 @@
+package edu.stanford.cs.crypto.efficientct.zetherprover;
+
+public class BurnProof {
+}
diff --git a/src/main/java/edu/stanford/cs/crypto/efficientct/zetherprover/OpeningProver.java b/src/main/java/edu/stanford/cs/crypto/efficientct/zetherprover/OpeningProver.java
new file mode 100644
index 0000000..a41c5d8
--- /dev/null
+++ b/src/main/java/edu/stanford/cs/crypto/efficientct/zetherprover/OpeningProver.java
@@ -0,0 +1,4 @@
+package edu.stanford.cs.crypto.efficientct.zetherprover;
+
+public class OpeningProver {
+}
diff --git a/src/main/java/edu/stanford/cs/crypto/efficientct/zetherprover/OpeningVerifier.java b/src/main/java/edu/stanford/cs/crypto/efficientct/zetherprover/OpeningVerifier.java
new file mode 100644
index 0000000..69279ef
--- /dev/null
+++ b/src/main/java/edu/stanford/cs/crypto/efficientct/zetherprover/OpeningVerifier.java
@@ -0,0 +1,4 @@
+package edu.stanford.cs.crypto.efficientct.zetherprover;
+
+public class OpeningVerifier {
+}
diff --git a/src/test/java/edu/stanford/cs/crypto/efficientct/openingproof/OpeningTest.java b/src/test/java/edu/stanford/cs/crypto/efficientct/openingproof/OpeningTest.java
new file mode 100644
index 0000000..8597cd0
--- /dev/null
+++ b/src/test/java/edu/stanford/cs/crypto/efficientct/openingproof/OpeningTest.java
@@ -0,0 +1,4 @@
+package edu.stanford.cs.crypto.efficientct.openingproof;
+
+public class OpeningTest {
+}