diff --git a/crates/claims/crates/data-integrity/core/src/options.rs b/crates/claims/crates/data-integrity/core/src/options.rs
index e81058f2a..8b06798bb 100644
--- a/crates/claims/crates/data-integrity/core/src/options.rs
+++ b/crates/claims/crates/data-integrity/core/src/options.rs
@@ -14,7 +14,7 @@ pub struct ProofOptions<M, T> {
 
     /// Date a creation of the proof.
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub created: Option<xsd_types::DateTime>,
+    pub created: Option<xsd_types::DateTimeStamp>,
 
     /// Verification method.
     pub verification_method: Option<ReferenceOrOwned<M>>,
@@ -74,7 +74,7 @@ impl<M, T: Default> Default for ProofOptions<M, T> {
     fn default() -> Self {
         Self {
             context: None,
-            created: Some(xsd_types::DateTime::now_ms()),
+            created: Some(xsd_types::DateTimeStamp::now_ms()),
             verification_method: None,
             proof_purpose: ProofPurpose::default(),
             expires: None,
@@ -89,7 +89,7 @@ impl<M, T: Default> Default for ProofOptions<M, T> {
 
 impl<M, T> ProofOptions<M, T> {
     pub fn new(
-        created: xsd_types::DateTime,
+        created: xsd_types::DateTimeStamp,
         verification_method: ReferenceOrOwned<M>,
         proof_purpose: ProofPurpose,
         options: T,
@@ -111,7 +111,7 @@ impl<M, T> ProofOptions<M, T> {
     pub fn from_method_and_options(verification_method: ReferenceOrOwned<M>, options: T) -> Self {
         Self {
             context: None,
-            created: Some(xsd_types::DateTime::now_ms()),
+            created: Some(xsd_types::DateTimeStamp::now_ms()),
             verification_method: Some(verification_method),
             proof_purpose: ProofPurpose::default(),
             expires: None,
diff --git a/crates/claims/crates/data-integrity/core/src/proof/configuration/mod.rs b/crates/claims/crates/data-integrity/core/src/proof/configuration/mod.rs
index c1e2f90b1..ed58f5edf 100644
--- a/crates/claims/crates/data-integrity/core/src/proof/configuration/mod.rs
+++ b/crates/claims/crates/data-integrity/core/src/proof/configuration/mod.rs
@@ -31,7 +31,7 @@ pub struct ProofConfiguration<S: CryptographicSuite> {
 
     /// Date a creation of the proof.
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub created: Option<xsd_types::DateTime>,
+    pub created: Option<xsd_types::DateTimeStamp>,
 
     /// Verification method.
     #[serde(serialize_with = "S::serialize_verification_method_ref")]
@@ -90,7 +90,7 @@ pub struct ProofConfiguration<S: CryptographicSuite> {
 impl<S: CryptographicSuite> ProofConfiguration<S> {
     pub fn new(
         type_: S,
-        created: xsd_types::DateTime,
+        created: xsd_types::DateTimeStamp,
         verification_method: ReferenceOrOwned<S::VerificationMethod>,
         proof_purpose: ProofPurpose,
         options: S::ProofOptions,
@@ -118,7 +118,7 @@ impl<S: CryptographicSuite> ProofConfiguration<S> {
         Self {
             context: None,
             type_,
-            created: Some(xsd_types::DateTime::now_ms()),
+            created: Some(xsd_types::DateTimeStamp::now_ms()),
             verification_method,
             proof_purpose: ProofPurpose::default(),
             expires: None,
diff --git a/crates/claims/crates/data-integrity/core/src/proof/configuration/reference.rs b/crates/claims/crates/data-integrity/core/src/proof/configuration/reference.rs
index 1b35e9c34..e2c9f5ece 100644
--- a/crates/claims/crates/data-integrity/core/src/proof/configuration/reference.rs
+++ b/crates/claims/crates/data-integrity/core/src/proof/configuration/reference.rs
@@ -20,7 +20,7 @@ pub struct ProofConfigurationRef<'a, S: CryptographicSuite> {
     pub type_: &'a S,
 
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub created: Option<xsd_types::DateTime>,
+    pub created: Option<xsd_types::DateTimeStamp>,
 
     #[serde(serialize_with = "S::serialize_verification_method_ref_ref")]
     pub verification_method: ReferenceOrOwnedRef<'a, S::VerificationMethod>,
@@ -141,7 +141,7 @@ pub struct ProofConfigurationRefWithoutOptions<'a, S: CryptographicSuite> {
     pub type_: &'a S,
 
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub created: Option<xsd_types::DateTime>,
+    pub created: Option<xsd_types::DateTimeStamp>,
 
     #[serde(serialize_with = "S::serialize_verification_method_ref_ref")]
     pub verification_method: ReferenceOrOwnedRef<'a, S::VerificationMethod>,
diff --git a/crates/claims/crates/data-integrity/core/src/proof/mod.rs b/crates/claims/crates/data-integrity/core/src/proof/mod.rs
index 7ee9b9c5e..e905fa950 100644
--- a/crates/claims/crates/data-integrity/core/src/proof/mod.rs
+++ b/crates/claims/crates/data-integrity/core/src/proof/mod.rs
@@ -49,7 +49,7 @@ pub struct Proof<S: CryptographicSuite> {
 
     /// Date a creation of the proof.
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub created: Option<xsd_types::DateTime>,
+    pub created: Option<xsd_types::DateTimeStamp>,
 
     /// Verification method.
     #[serde(serialize_with = "S::serialize_verification_method_ref")]
@@ -113,7 +113,7 @@ impl<T: CryptographicSuite> Proof<T> {
     /// Creates a new proof.
     pub fn new(
         type_: T,
-        created: xsd_types::DateTime,
+        created: xsd_types::DateTimeStamp,
         verification_method: ReferenceOrOwned<T::VerificationMethod>,
         proof_purpose: ProofPurpose,
         options: T::ProofOptions,
diff --git a/crates/claims/crates/data-integrity/core/src/proof/reference.rs b/crates/claims/crates/data-integrity/core/src/proof/reference.rs
index 3ed59a2b3..be2818043 100644
--- a/crates/claims/crates/data-integrity/core/src/proof/reference.rs
+++ b/crates/claims/crates/data-integrity/core/src/proof/reference.rs
@@ -9,7 +9,7 @@ pub struct ProofRef<'a, S: CryptographicSuite> {
 
     pub type_: &'a S,
 
-    pub created: Option<xsd_types::DateTime>,
+    pub created: Option<xsd_types::DateTimeStamp>,
 
     pub verification_method: ReferenceOrOwnedRef<'a, S::VerificationMethod>,