diff --git a/metadata.json b/metadata.json
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+++ b/metadata.json
@@ -0,0 +1,25 @@
+{
+  "@context": "https://schema.org/",
+  "@type": "Dataset",
+  "name": "Sample ARC",
+  "description": "This dataset contains a sample ARC for testing purposes.",
+  "url": "https://git.nfdi4plants.org/marcel/test-template",
+  "keywords": ["data analysis", "sample data", "metrics", "test data"],
+  "creator": {
+    "@type": "Organization",
+    "name": "Universität Freiburg"
+  },
+  "license": "https://opensource.org/licenses/MIT",
+  "datePublished": "2024-08-26",
+  "distribution": {
+    "@type": "DataDownload",
+    "contentUrl": "https://git.nfdi4plants.org/marcel/test-template/-/blob/a4e7435a307c04cda85ce5bd952547eedfcc606a/isa.investigation.xlsx",
+    "encodingFormat": "application/xlsx"
+  },
+  "spatialCoverage": {
+    "@type": "Place",
+    "name": "Worldwide"
+  },
+  "temporalCoverage": "2024-08-26/2024-08-26",
+  "variableMeasured": ["temperature"]
+}
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