diff --git a/openobs.py b/openobs.py
new file mode 100755
index 0000000..b4a19cf
--- /dev/null
+++ b/openobs.py
@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+
+import argparse
+import uuid
+import webbrowser
+
+OBS_URL_F = "https://openobs.mnhn.fr/redirect/sinp/occurrences/{obs_uuid}"
+TEST1 = "45A202E8-A4D0-41E9-AC27-041004CB8AD0"
+TEST2 = "45A202E8A4D041E9AC27041004CB8AD0"
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument("uuid")
+    args = parser.parse_args()
+    open_uuid(args.uuid)
+
+
+def open_uuid(uuid_str: str):
+    obs_uuid = uuid.UUID(uuid_str)
+    webbrowser.open_new_tab(OBS_URL_F.format(obs_uuid=str(obs_uuid)))
+
+
+if __name__ == "__main__":
+    main()