diff --git a/.gitattributes b/.gitattributes
index 50fa5e4a1fcfa2e70f2df8d19e5ac478b5722976..a68af447321e5baf8f6881447d9ebb7898d92de4 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -199,3 +199,4 @@ data/AB/1952/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1953/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1954/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1955/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
+data/AB/1956/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
diff --git a/.renku/workflow/006dba80c770426183c68cf2eae67332_python.cwl b/.renku/workflow/006dba80c770426183c68cf2eae67332_python.cwl
new file mode 100644
index 0000000000000000000000000000000000000000..cd8aa46d45ad993061a868a91c64c67f24549eb6
--- /dev/null
+++ b/.renku/workflow/006dba80c770426183c68cf2eae67332_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/1956/01_rawmeta.tar.gz
+    inputBinding:
+      position: 2
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_3:
+    default: data/AB/1956/03_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/1956
+    writable: true
+successCodes: []
+temporaryFailCodes: []
diff --git a/data/AB/1956/03_correctedmeta.tar.gz b/data/AB/1956/03_correctedmeta.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..a5b952948aabd498c5352446792325fa6b20b043
--- /dev/null
+++ b/data/AB/1956/03_correctedmeta.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5fa713dc39ca1446b84d9791470aaf4b57d8c62c8338b8433246aaddaccafa5b
+size 409600