diff --git a/v2/object/grpc/types.pb.go b/v2/object/grpc/types.pb.go
index 2f900b8..1109640 100644
--- a/v2/object/grpc/types.pb.go
+++ b/v2/object/grpc/types.pb.go
@@ -155,6 +155,10 @@ type ShortHeader struct {
 	// Size of payload in bytes.
 	// `0xFFFFFFFFFFFFFFFF` means `payload_length` is unknown
 	PayloadLength uint64 `protobuf:"varint,5,opt,name=payload_length,json=payloadLength,proto3" json:"payload_length,omitempty"`
+	// Hash of payload bytes
+	PayloadHash *grpc.Checksum `protobuf:"bytes,6,opt,name=payload_hash,json=payloadHash,proto3" json:"payload_hash,omitempty"`
+	// Homomorphic hash of the object payload
+	HomomorphicHash *grpc.Checksum `protobuf:"bytes,7,opt,name=homomorphic_hash,json=homomorphicHash,proto3" json:"homomorphic_hash,omitempty"`
 }
 
 func (x *ShortHeader) Reset() {
@@ -224,6 +228,20 @@ func (x *ShortHeader) GetPayloadLength() uint64 {
 	return 0
 }
 
+func (x *ShortHeader) GetPayloadHash() *grpc.Checksum {
+	if x != nil {
+		return x.PayloadHash
+	}
+	return nil
+}
+
+func (x *ShortHeader) GetHomomorphicHash() *grpc.Checksum {
+	if x != nil {
+		return x.HomomorphicHash
+	}
+	return nil
+}
+
 // Object Header
 type Header struct {
 	state         protoimpl.MessageState
@@ -708,7 +726,7 @@ var file_v2_object_grpc_types_proto_rawDesc = []byte{
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@@ -724,105 +742,113 @@ var file_v2_object_grpc_types_proto_rawDesc = []byte{
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 }
 
 var (
@@ -850,8 +876,8 @@ var file_v2_object_grpc_types_proto_goTypes = []interface{}{
 	(*Header_Split)(nil),       // 7: neo.fs.v2.object.Header.Split
 	(*grpc.Version)(nil),       // 8: neo.fs.v2.refs.Version
 	(*grpc.OwnerID)(nil),       // 9: neo.fs.v2.refs.OwnerID
-	(*grpc.ContainerID)(nil),   // 10: neo.fs.v2.refs.ContainerID
-	(*grpc.Checksum)(nil),      // 11: neo.fs.v2.refs.Checksum
+	(*grpc.Checksum)(nil),      // 10: neo.fs.v2.refs.Checksum
+	(*grpc.ContainerID)(nil),   // 11: neo.fs.v2.refs.ContainerID
 	(*grpc1.SessionToken)(nil), // 12: neo.fs.v2.session.SessionToken
 	(*grpc.ObjectID)(nil),      // 13: neo.fs.v2.refs.ObjectID
 	(*grpc.Signature)(nil),     // 14: neo.fs.v2.refs.Signature
@@ -860,30 +886,32 @@ var file_v2_object_grpc_types_proto_depIdxs = []int32{
 	8,  // 0: neo.fs.v2.object.ShortHeader.version:type_name -> neo.fs.v2.refs.Version
 	9,  // 1: neo.fs.v2.object.ShortHeader.owner_id:type_name -> neo.fs.v2.refs.OwnerID
 	0,  // 2: neo.fs.v2.object.ShortHeader.object_type:type_name -> neo.fs.v2.object.ObjectType
-	8,  // 3: neo.fs.v2.object.Header.version:type_name -> neo.fs.v2.refs.Version
-	10, // 4: neo.fs.v2.object.Header.container_id:type_name -> neo.fs.v2.refs.ContainerID
-	9,  // 5: neo.fs.v2.object.Header.owner_id:type_name -> neo.fs.v2.refs.OwnerID
-	11, // 6: neo.fs.v2.object.Header.payload_hash:type_name -> neo.fs.v2.refs.Checksum
-	0,  // 7: neo.fs.v2.object.Header.object_type:type_name -> neo.fs.v2.object.ObjectType
-	11, // 8: neo.fs.v2.object.Header.homomorphic_hash:type_name -> neo.fs.v2.refs.Checksum
-	12, // 9: neo.fs.v2.object.Header.session_token:type_name -> neo.fs.v2.session.SessionToken
-	6,  // 10: neo.fs.v2.object.Header.attributes:type_name -> neo.fs.v2.object.Header.Attribute
-	7,  // 11: neo.fs.v2.object.Header.split:type_name -> neo.fs.v2.object.Header.Split
-	13, // 12: neo.fs.v2.object.Object.object_id:type_name -> neo.fs.v2.refs.ObjectID
-	14, // 13: neo.fs.v2.object.Object.signature:type_name -> neo.fs.v2.refs.Signature
-	3,  // 14: neo.fs.v2.object.Object.header:type_name -> neo.fs.v2.object.Header
-	13, // 15: neo.fs.v2.object.SplitInfo.last_part:type_name -> neo.fs.v2.refs.ObjectID
-	13, // 16: neo.fs.v2.object.SplitInfo.link:type_name -> neo.fs.v2.refs.ObjectID
-	13, // 17: neo.fs.v2.object.Header.Split.parent:type_name -> neo.fs.v2.refs.ObjectID
-	13, // 18: neo.fs.v2.object.Header.Split.previous:type_name -> neo.fs.v2.refs.ObjectID
-	14, // 19: neo.fs.v2.object.Header.Split.parent_signature:type_name -> neo.fs.v2.refs.Signature
-	3,  // 20: neo.fs.v2.object.Header.Split.parent_header:type_name -> neo.fs.v2.object.Header
-	13, // 21: neo.fs.v2.object.Header.Split.children:type_name -> neo.fs.v2.refs.ObjectID
-	22, // [22:22] is the sub-list for method output_type
-	22, // [22:22] is the sub-list for method input_type
-	22, // [22:22] is the sub-list for extension type_name
-	22, // [22:22] is the sub-list for extension extendee
-	0,  // [0:22] is the sub-list for field type_name
+	10, // 3: neo.fs.v2.object.ShortHeader.payload_hash:type_name -> neo.fs.v2.refs.Checksum
+	10, // 4: neo.fs.v2.object.ShortHeader.homomorphic_hash:type_name -> neo.fs.v2.refs.Checksum
+	8,  // 5: neo.fs.v2.object.Header.version:type_name -> neo.fs.v2.refs.Version
+	11, // 6: neo.fs.v2.object.Header.container_id:type_name -> neo.fs.v2.refs.ContainerID
+	9,  // 7: neo.fs.v2.object.Header.owner_id:type_name -> neo.fs.v2.refs.OwnerID
+	10, // 8: neo.fs.v2.object.Header.payload_hash:type_name -> neo.fs.v2.refs.Checksum
+	0,  // 9: neo.fs.v2.object.Header.object_type:type_name -> neo.fs.v2.object.ObjectType
+	10, // 10: neo.fs.v2.object.Header.homomorphic_hash:type_name -> neo.fs.v2.refs.Checksum
+	12, // 11: neo.fs.v2.object.Header.session_token:type_name -> neo.fs.v2.session.SessionToken
+	6,  // 12: neo.fs.v2.object.Header.attributes:type_name -> neo.fs.v2.object.Header.Attribute
+	7,  // 13: neo.fs.v2.object.Header.split:type_name -> neo.fs.v2.object.Header.Split
+	13, // 14: neo.fs.v2.object.Object.object_id:type_name -> neo.fs.v2.refs.ObjectID
+	14, // 15: neo.fs.v2.object.Object.signature:type_name -> neo.fs.v2.refs.Signature
+	3,  // 16: neo.fs.v2.object.Object.header:type_name -> neo.fs.v2.object.Header
+	13, // 17: neo.fs.v2.object.SplitInfo.last_part:type_name -> neo.fs.v2.refs.ObjectID
+	13, // 18: neo.fs.v2.object.SplitInfo.link:type_name -> neo.fs.v2.refs.ObjectID
+	13, // 19: neo.fs.v2.object.Header.Split.parent:type_name -> neo.fs.v2.refs.ObjectID
+	13, // 20: neo.fs.v2.object.Header.Split.previous:type_name -> neo.fs.v2.refs.ObjectID
+	14, // 21: neo.fs.v2.object.Header.Split.parent_signature:type_name -> neo.fs.v2.refs.Signature
+	3,  // 22: neo.fs.v2.object.Header.Split.parent_header:type_name -> neo.fs.v2.object.Header
+	13, // 23: neo.fs.v2.object.Header.Split.children:type_name -> neo.fs.v2.refs.ObjectID
+	24, // [24:24] is the sub-list for method output_type
+	24, // [24:24] is the sub-list for method input_type
+	24, // [24:24] is the sub-list for extension type_name
+	24, // [24:24] is the sub-list for extension extendee
+	0,  // [0:24] is the sub-list for field type_name
 }
 
 func init() { file_v2_object_grpc_types_proto_init() }