diff --git a/docs/specs/swh.xsd b/docs/specs/swh.xsd
new file mode 100644
index 00000000..37ac2cca
--- /dev/null
+++ b/docs/specs/swh.xsd
@@ -0,0 +1,23 @@
+<xs:schema attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema">
+  <xs:element name="deposit">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:attribute  type="xs:string" name="reference"  minOccurs="0"/>
+        <xs:element name="manifest" minOccurs="0">
+          <xs:complexType>
+            <xs:sequence>
+              <xs:element name="object" minOccurs="0" maxOccurs="unbounded">
+                <xs:complexType>
+                  <xs:sequence>
+                    <xs:attribute type="xs:string" name="path"/>
+                    <xs:attribute type="xs:string" name="swhid"/>
+                  </xs:sequence>
+                </xs:complexType>
+              </xs:element>
+            </xs:sequence>
+          </xs:complexType>
+        </xs:element>
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+</xs:schema>