contentauth · lrosenthol · Feb 15, 2026 · Feb 15, 2026 · Feb 15, 2026 · Feb 15, 2026
diff --git a/cli/schemas/crJSON-schema.json b/cli/schemas/crJSON-schema.json
diff --git a/docs/crjson-format.adoc b/docs/crjson-format.adoc
diff --git a/sdk/src/claim_generator_info.rs b/sdk/src/claim_generator_info.rs
@@ -34,8 +34,9 @@ pub struct ClaimGeneratorInfo {
     /// hashed URI to the icon (either embedded or remote)
     #[serde(skip_serializing_if = "Option::is_none")]
     pub icon: Option<UriOrResource>,
-    /// A human readable string of the OS the claim generator is running on
-    #[serde(skip_serializing_if = "Option::is_none")]
+    /// A human readable string of the OS the claim generator is running on.
+    /// CrJSON schema uses `operating_system`; C2PA CBOR may use `schema.org.SoftwareApplication.operatingSystem`.
+    #[serde(alias = "schema.org.SoftwareApplication.operatingSystem", skip_serializing_if = "Option::is_none")]
     pub operating_system: Option<String>,
     // Any other values that are not part of the standard
     #[serde(flatten)]