diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index abc7082..ad0878e 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -14,7 +14,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: ^1.21
+          go-version: "1.22"
         id: go
 
       - name: Check out code into the Go module directory
@@ -54,7 +54,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: ^1.22
+          go-version: "1.22"
         id: go
 
       - name: Check out code into the Go module directory and submodules
diff --git a/examples/mevm-confidential-store/confidential-store.sol b/examples/mevm-confidential-store/confidential-store.sol
index f43441f..102483c 100644
--- a/examples/mevm-confidential-store/confidential-store.sol
+++ b/examples/mevm-confidential-store/confidential-store.sol
@@ -6,11 +6,11 @@ import "suave-std/suavelib/Suave.sol";
 contract ConfidentialStore {
     function callback() external {}
 
-    function example() external returns (bytes memory) {
+    function example(string memory namespace) external returns (bytes memory) {
         address[] memory allowedList = new address[](1);
         allowedList[0] = address(this);
 
-        Suave.DataRecord memory dataRecord = Suave.newDataRecord(10, allowedList, allowedList, "namespace");
+        Suave.DataRecord memory dataRecord = Suave.newDataRecord(10, allowedList, allowedList, namespace);
 
         Suave.confidentialStore(dataRecord.id, "key1", abi.encode(1));
         Suave.confidentialStore(dataRecord.id, "key2", abi.encode(2));
@@ -18,7 +18,29 @@ contract ConfidentialStore {
         bytes memory value = Suave.confidentialRetrieve(dataRecord.id, "key1");
         require(keccak256(value) == keccak256(abi.encode(1)));
 
-        Suave.DataRecord[] memory allShareMatchBids = Suave.fetchDataRecords(10, "namespace");
+        Suave.DataRecord[] memory allShareMatchBids = Suave.fetchDataRecords(10, namespace);
+        require(allShareMatchBids.length == 1);
+
+        return abi.encodeWithSelector(this.callback.selector);
+    }
+
+    function example2(string memory namespace) external returns (bytes memory) {
+        // Add a new entry for the confidential store combination (10, namespace)
+        address[] memory allowedList = new address[](1);
+        allowedList[0] = address(this);
+
+        Suave.newDataRecord(10, allowedList, allowedList, namespace);
+
+        Suave.DataRecord[] memory allShareMatchBids = Suave.fetchDataRecords(10, namespace);
+        require(allShareMatchBids.length == 2);
+
+        return abi.encodeWithSelector(this.callback.selector);
+    }
+
+    function query(string memory namespace) external returns (bytes memory) {
+        Suave.DataRecord[] memory allShareMatchBids = Suave.fetchDataRecords(10, namespace);
+        require(allShareMatchBids.length == 2);
+
         return abi.encodeWithSelector(this.callback.selector);
     }
 }
diff --git a/examples/mevm-confidential-store/main.go b/examples/mevm-confidential-store/main.go
index 85cd669..4ab4a40 100644
--- a/examples/mevm-confidential-store/main.go
+++ b/examples/mevm-confidential-store/main.go
@@ -6,6 +6,11 @@ import (
 
 func main() {
 	fr := framework.New()
-	fr.Suave.DeployContract("confidential-store.sol/ConfidentialStore.json").
-		SendConfidentialRequest("example", []interface{}{}, nil)
+
+	namespace := framework.RandomString(10)
+	ctr := fr.Suave.DeployContract("confidential-store.sol/ConfidentialStore.json")
+
+	ctr.SendConfidentialRequest("example", []interface{}{namespace}, nil)
+	ctr.SendConfidentialRequest("example2", []interface{}{namespace}, nil)
+	ctr.SendConfidentialRequest("query", []interface{}{namespace}, nil)
 }
diff --git a/framework/framework.go b/framework/framework.go
index c211d36..4871cee 100644
--- a/framework/framework.go
+++ b/framework/framework.go
@@ -3,6 +3,7 @@ package framework
 import (
 	"context"
 	"crypto/ecdsa"
+	"crypto/rand"
 	"encoding"
 	"encoding/hex"
 	"encoding/json"
@@ -349,3 +350,15 @@ func GatewayAddr() string {
 	}
 	return "host.docker.internal"
 }
+
+func RandomString(length int) string {
+	const charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
+	b := make([]byte, length)
+	if _, err := rand.Read(b); err != nil {
+		panic(fmt.Errorf("failed to generate random string: %w", err))
+	}
+	for i := range b {
+		b[i] = charset[b[i]%byte(len(charset))]
+	}
+	return string(b)
+}