diff --git a/.github/actions/provenance/action.yml b/.github/actions/provenance/action.yml
index ea809724c..c1c6b8231 100644
--- a/.github/actions/provenance/action.yml
+++ b/.github/actions/provenance/action.yml
@@ -4,6 +4,12 @@ inputs:
   subjects:
     required: true
     type: string   
+  tag:
+    required: true
+    type: string
+  provenance-name:
+    required: true
+    type: string
 runs:
   using: "composite"
   steps:
@@ -12,4 +18,5 @@ runs:
       with:
         base64-subjects: "${{ inputs.subjects }}"
         upload-assets: true
-        upload-tag-name: v.6.0.0 # Tag from the initiation of the workflow  
\ No newline at end of file
+        upload-tag-name: ${{ inputs.tag }}
+        provenance-name: ${{ inputs.provenance-name }}
diff --git a/.github/workflows/lbox-publish.yml b/.github/workflows/lbox-publish.yml
index 782ea22cf..8f0feb143 100644
--- a/.github/workflows/lbox-publish.yml
+++ b/.github/workflows/lbox-publish.yml
@@ -41,16 +41,19 @@ jobs:
   build:
     runs-on: ubuntu-latest
     needs: ['path-filter', 'test-build']
-    outputs:
-      hashes: ${{ steps.hash.outputs.hashes_lbox-clients }}
+    permissions:
+      actions: read
+      contents: write
+      id-token: write # Needed to access the workflow's OIDC identity.
     strategy:
       fail-fast: false
       matrix: 
         include: ${{ fromJSON(needs.path-filter.outputs.package-matrix) }}
+    outputs:
+      hashes: ${{ steps.output-hashes.outputs.hashes }}
     steps:
       - uses: actions/checkout@v4
         with:
-          # ref: ${{ inputs.tag }}
           ref: ${{ inputs.tag }}
       - name: Install the latest version of rye
         uses: eifinger/setup-rye@v2
@@ -66,27 +69,58 @@ jobs:
           rye sync
           rye build
       - name: "Generate hashes"
-        id: hash
+        id: hashes
         run: |
-          cd dist && echo "hashes_${{ matrix.package }}=$(sha256sum * | base64 -w0)" >> $GITHUB_OUTPUT          
-          echo "hashes_${{ matrix.package }}=$(sha256sum * | base64 -w0)"
+          cd dist && echo "hash_${{ matrix.package }}=$(sha256sum * | base64 -w0)" >> $GITHUB_ENV          
+          echo "hash_${{ matrix.package }}=$(sha256sum * | base64 -w0)"
       - uses: actions/upload-artifact@v4
         with:
           name: build-${{ matrix.package }}
-          path: ./dist          
-  provenance_python:
-    needs: [build]
+          path: ./dist
+      - name: "Output hashes"
+        id: output-hashes
+        run: |
+          hashes=""
+          while IFS= read -r line; do
+            if [[ $line == hash_* ]]; then
+              value=$(echo "$line" | cut -d'=' -f2)
+              hashes="$hashes$value,"
+            fi
+          done < "$GITHUB_ENV"
+          # Remove the trailing comma
+          hashes="${hashes%,}"
+          echo "hashes=${hashes}" >> $GITHUB_OUTPUT
+  debug:
+    runs-on: ubuntu-latest
+    needs: ['path-filter', 'build']
+    strategy:
+      fail-fast: false
+      matrix: 
+        include: ${{ fromJSON(needs.path-filter.outputs.package-matrix) }}
+    steps:
+      - name: "Print hashes"
+        run: |
+          echo "output hashes ${{ needs.build.outputs.hashes[format('hashes_{}', matrix.package)] }}"
+
+  provenance:
+    needs: ['path-filter', 'build']
     permissions:
       actions: read
       contents: write
       id-token: write # Needed to access the workflow's OIDC identity.
+    strategy:
+      fail-fast: false
+      matrix: 
+        include: ${{ fromJSON(needs.path-filter.outputs.package-matrix) }}
     uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@v2.0.0
     with:
-      base64-subjects: "${{ needs.build.outputs.hashes }}"
+      base64-subjects: ${{ needs.build.outputs.hashes[format('hashes_{}', matrix.package)] }}
+      # base64-subjects: ${{ needs.build.outputs.hashes.hash_lbox-clients }}
       upload-assets: true
-      upload-tag-name: ${{ inputs.tag }} # Tag from the initiation of the workflow
-      provenance-name: lbox-clients.intoto.jsonl
-                
+      upload-tag-name: ${{ inputs.tag }}
+      provenance-name: ${{ matrix.package }}.intoto.jsonl
+  
+  
   test-build:
     needs: ['path-filter']
     if: ${{ needs.path-filter.outputs.lbox == 'true' }}