diff --git a/.gitattributes b/.gitattributes
index 95fec11af7e8f460d3ba7c7ad858648aba0b546c..70c282032c5e78fd390cad61c7865683605a98ea 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -213,3 +213,4 @@ data/AB/1966/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1967/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1968/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1969/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
+data/AB/1970/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
diff --git a/.renku/workflow/ff79cb065b274d6989319f434f45dbc1_python.cwl b/.renku/workflow/ff79cb065b274d6989319f434f45dbc1_python.cwl
new file mode 100644
index 0000000000000000000000000000000000000000..30722e24fde5b168ec849f8e9d6cbcc1ad6ea00b
--- /dev/null
+++ b/.renku/workflow/ff79cb065b274d6989319f434f45dbc1_python.cwl
@@ -0,0 +1,51 @@
+arguments: []
+baseCommand:
+- python
+class: CommandLineTool
+cwlVersion: v1.0
+hints: []
+inputs:
+  input_1:
+    default:
+      class: File
+      path: ../../src/python/run_correct_meta.py
+    inputBinding:
+      position: 1
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_2:
+    default:
+      class: File
+      path: ../../data/AB/1970/01_rawmeta.tar.gz
+    inputBinding:
+      position: 2
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_3:
+    default: data/AB/1970/03_correctedmeta.tar.gz
+    inputBinding:
+      position: 3
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: string
+outputs:
+  output_0:
+    outputBinding:
+      glob: $(inputs.input_3)
+    streamable: false
+    type: File
+permanentFailCodes: []
+requirements:
+- class: InlineJavascriptRequirement
+- class: InitialWorkDirRequirement
+  listing:
+  - entry: '$({"listing": [], "class": "Directory"})'
+    entryname: data/AB/1970
+    writable: true
+successCodes: []
+temporaryFailCodes: []
diff --git a/data/AB/1970/03_correctedmeta.tar.gz b/data/AB/1970/03_correctedmeta.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..0b99c0bcbfb18565b7b6596852379f11708af935
--- /dev/null
+++ b/data/AB/1970/03_correctedmeta.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e1cea7b5092c2ed8fcf2e74ecbe60dec915e07909b1c489aa929b7172bfd8254
+size 419840