diff --git a/_sources/cardano-data/1.2.3.1/meta.toml b/_sources/cardano-data/1.2.3.1/meta.toml
new file mode 100644
index 000000000..9adcdf74f
--- /dev/null
+++ b/_sources/cardano-data/1.2.3.1/meta.toml
@@ -0,0 +1,3 @@
+timestamp = 2024-10-09T21:29:38Z
+github = { repo = "input-output-hk/cardano-ledger", rev = "0ba8e73c41847142e0bed09e09a8aa166fc10384" }
+subdir = 'libs/cardano-data'