diff --git a/openapi.yaml b/openapi.yaml
index 16b4105..650c11f 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -5,7 +5,7 @@ info:
   license:
     name: MIT
     url: https://github.com/tiki/l0-index/blob/main/LICENSE
-  version: 1.0.2
+  version: 1.0.3
 servers:
 - url: https://index.l0.mytiki.com
 paths:
diff --git a/pom.xml b/pom.xml
index 1c45004..7b27d29 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,7 +12,7 @@
 
     <groupId>com.mytiki</groupId>
     <artifactId>l0_index</artifactId>
-    <version>1.0.2</version>
+    <version>1.0.3</version>
     <packaging>jar</packaging>
 
     <name>L0 Index</name>
diff --git a/src/main/java/com/mytiki/l0_index/features/latest/license/LicenseService.java b/src/main/java/com/mytiki/l0_index/features/latest/license/LicenseService.java
index d3bf921..bec1a50 100644
--- a/src/main/java/com/mytiki/l0_index/features/latest/license/LicenseService.java
+++ b/src/main/java/com/mytiki/l0_index/features/latest/license/LicenseService.java
@@ -15,15 +15,16 @@
 import com.mytiki.l0_index.features.latest.title.TitleDO;
 import com.mytiki.l0_index.features.latest.title.TitleService;
 import com.mytiki.l0_index.features.latest.use.UseService;
-import com.mytiki.l0_index.utilities.AOSignature;
-import com.mytiki.l0_index.utilities.AOUse;
-import com.mytiki.l0_index.utilities.B64;
-import com.mytiki.l0_index.utilities.Decode;
+import com.mytiki.l0_index.utilities.*;
 import com.mytiki.spring_rest_api.ApiExceptionBuilder;
 import jakarta.transaction.Transactional;
+import org.bouncycastle.util.encoders.Base64;
 import org.springframework.http.HttpStatus;
+import org.springframework.security.crypto.codec.Utf8;
 
+import java.nio.charset.StandardCharsets;
 import java.time.ZonedDateTime;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
 
@@ -76,6 +77,7 @@ public LicenseDO insert(IndexAOReqLicense req, String appId, BlockDO block){
 
     public LicenseAORspList list(LicenseAOReq req, String appId, Long pageToken, Integer maxResults){
         LicenseAORspList rsp = new LicenseAORspList();
+        req.setPtrs(hashPtrs(req.getPtrs()));
         List<LicenseDO> licenses = repository.search(req, appId, pageToken, maxResults);
 
         if(pageToken == null && licenses.size() < maxResults)
@@ -160,4 +162,15 @@ public LicenseAORsp fetch(String transaction, String appId){
         }
         return rsp;
     }
+
+
+    private List<String> hashPtrs(List<String> ptrs){
+        if(ptrs == null) return null;
+        List<String> rsp = new ArrayList<>(ptrs.size());
+        ptrs.forEach((ptr) -> {
+            byte[] hashBytes = Sha256.hash(ptr.getBytes(StandardCharsets.UTF_8));
+            rsp.add(Base64.toBase64String(hashBytes));
+        });
+        return rsp;
+    }
 }
diff --git a/src/test/java/LicenseTest.java b/src/test/java/LicenseTest.java
index f31ab90..58b090b 100644
--- a/src/test/java/LicenseTest.java
+++ b/src/test/java/LicenseTest.java
@@ -16,7 +16,9 @@
 import com.mytiki.l0_index.features.latest.use.UseService;
 import com.mytiki.l0_index.main.App;
 import com.mytiki.l0_index.utilities.AOUse;
+import com.mytiki.l0_index.utilities.Sha256;
 import jakarta.transaction.Transactional;
+import org.bouncycastle.util.encoders.Base64;
 import org.junit.jupiter.api.*;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
@@ -27,6 +29,7 @@
 
 import java.net.URI;
 import java.net.URISyntaxException;
+import java.nio.charset.StandardCharsets;
 import java.time.ZonedDateTime;
 import java.util.ArrayList;
 import java.util.List;
@@ -252,8 +255,12 @@ public void Test_List_Tag_Success(){
     public void Test_List_Ptr_Success(){
         String appId = UUID.randomUUID().toString();
         BlockDO block = blockService.insert(UUID.randomUUID().toString(), "https://mytiki.com");
+
+        String ptr = UUID.randomUUID().toString();
+        String hashedPtr = Base64.toBase64String(Sha256.hash(ptr.getBytes(StandardCharsets.UTF_8)));
+
         IndexAOReqTitle titleReq = new IndexAOReqTitle(UUID.randomUUID().toString(), UUID.randomUUID().toString(),
-                UUID.randomUUID().toString(), List.of(UUID.randomUUID().toString()));
+                hashedPtr, List.of(UUID.randomUUID().toString()));
         TitleDO title = titleService.insert(titleReq, appId, block);
         IndexAOReqLicense licenseReq = new IndexAOReqLicense(
                 UUID.randomUUID().toString(), UUID.randomUUID().toString(), title.getTransaction(),
@@ -261,7 +268,7 @@ public void Test_List_Ptr_Success(){
         service.insert(licenseReq, appId, block);
 
         LicenseAOReq req = new LicenseAOReq();
-        req.setPtrs(List.of(titleReq.getPtr()));
+        req.setPtrs(List.of(ptr));
         LicenseAORspList list = service.list(req, appId, null, 100);
         assertEquals(list.getResults().size(), 1);
         assertEquals(list.getResults().get(0).getId(), licenseReq.getTransaction());