diff --git a/.gitattributes b/.gitattributes
index 6f24bfa548dc219d7daad4a795239687470a98ab..655559364e6e37fcef68d0762b1183d8669c42a4 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -217,3 +217,4 @@ data/AB/1970/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1971/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1972/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1973/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
+data/AB/1974/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
diff --git a/.renku/workflow/908d53c5619248dbbb01b3a874251052_python.cwl b/.renku/workflow/908d53c5619248dbbb01b3a874251052_python.cwl
new file mode 100644
index 0000000000000000000000000000000000000000..87c094e95c6f86178eff5b967e72ad7ee1e2b179
--- /dev/null
+++ b/.renku/workflow/908d53c5619248dbbb01b3a874251052_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/1974/01_rawmeta.tar.gz
+    inputBinding:
+      position: 2
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_3:
+    default: data/AB/1974/03_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/1974
+    writable: true
+successCodes: []
+temporaryFailCodes: []
diff --git a/data/AB/1974/03_correctedmeta.tar.gz b/data/AB/1974/03_correctedmeta.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..751e45f81d29eb6284c419501c95df997886360c
--- /dev/null
+++ b/data/AB/1974/03_correctedmeta.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:59898a1100c1080f6680210cfaf1a3722465b52e3c2e882b51bca4c470366d2d
+size 1372160