diff --git a/swh/model/hypothesis_strategies.py b/swh/model/hypothesis_strategies.py
--- a/swh/model/hypothesis_strategies.py
+++ b/swh/model/hypothesis_strategies.py
@@ -174,6 +174,7 @@
         dict,
         visit=integers(1, 1000),
         origin=urls(),
+        type=optional(sampled_from(["git", "svn", "pypi", "debian"])),
         status=sampled_from(["created", "ongoing", "full", "partial"]),
         date=aware_datetimes(),
         snapshot=optional(sha1_git()),
diff --git a/swh/model/model.py b/swh/model/model.py
--- a/swh/model/model.py
+++ b/swh/model/model.py
@@ -323,6 +323,7 @@
         validator=attr.validators.in_(["created", "ongoing", "full", "partial"]),
     )
     snapshot = attr.ib(type=Optional[Sha1Git], validator=type_validator())
+    type = attr.ib(type=Optional[str], validator=type_validator(), default=None)
     metadata = attr.ib(
         type=Optional[ImmutableDict[str, object]],
         validator=type_validator(),
diff --git a/swh/model/tests/test_model.py b/swh/model/tests/test_model.py
--- a/swh/model/tests/test_model.py
+++ b/swh/model/tests/test_model.py
@@ -81,7 +81,7 @@
         "date": str(date),
     }
     assert OriginVisitStatus(
-        origin=url, visit=42, date=date, status="created", snapshot=None
+        origin=url, visit=42, date=date, type=None, status="created", snapshot=None
     ).unique_key() == {"origin": url, "visit": "42", "date": str(date),}
 
     assert Snapshot.from_dict({**snapshot_example, "id": id_}).unique_key() == id_
@@ -167,6 +167,7 @@
             origin="http://foo/",
             visit=42,
             date=datetime.datetime.now(),
+            type=None,
             status="ongoing",
             snapshot=None,
         )