diff --git a/.gitattributes b/.gitattributes
index 33c50d13b0c65ddf5e6968e84a5ab799e698aca9..77527440f019fecbd6407bd8180bdcb3ce5d497b 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -224,3 +224,4 @@ data/AB/1977/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1978/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1979/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1980/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
+data/AB/1981/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
diff --git a/.renku/workflow/433b8c38bd7449959ff24e19cc61b229_python.cwl b/.renku/workflow/433b8c38bd7449959ff24e19cc61b229_python.cwl
new file mode 100644
index 0000000000000000000000000000000000000000..c7a0a0a64d2a8ef81cfbed84a451a777d02d9afe
--- /dev/null
+++ b/.renku/workflow/433b8c38bd7449959ff24e19cc61b229_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/1981/01_rawmeta.tar.gz
+    inputBinding:
+      position: 2
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_3:
+    default: data/AB/1981/03_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/1981
+    writable: true
+successCodes: []
+temporaryFailCodes: []
diff --git a/data/AB/1981/03_correctedmeta.tar.gz b/data/AB/1981/03_correctedmeta.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..6a5cee11edcc1b93765dfed7d0d1bbffbfdde92c
--- /dev/null
+++ b/data/AB/1981/03_correctedmeta.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8976302aa4093ef4c4f817399e41e70b1977e3cf52c22e209af26e708a59849f
+size 1617920