diff --git a/identifiers.tsv b/identifiers.tsv
new file mode 100644
index 0000000000000000000000000000000000000000..f7409d536637aeb2f2e7817d92508c68d7e4a362
--- /dev/null
+++ b/identifiers.tsv
@@ -0,0 +1,3 @@
+id	na_id	identifier	context_id	context_pid	canonical_url	ticket	ts_md_fetch	ts_dcd_registration
+	9001	10.0174/IDF-4	9001		https://ojstest.univie.ac.at/index.php/idf/article/view/217		2018-03-05T152900Z	2018-03-05T154718Z
+	9001	10.0174/IDF-5	9001		https://ojstest.univie.ac.at/index.php/idf/article/view/218		2018-03-05T152900Z	2018-03-05T154906Z