Upload objects/open-data-vanish-corpus-2026-10-01.json with huggingface_hub

objects/open-data-vanish-corpus-2026-10-01.json

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+{
+  "phoenix": "0.1",
+  "subject": "legion:open-data-vanish-corpus",
+  "observation": {
+    "metric": "open_dataset_disappearance",
+    "value": {
+      "corpus_size": 14909,
+      "events_recorded": 1187,
+      "sources_monitored": 7
+    },
+    "formula_version": "open-data-vanish-corpus-0.1",
+    "observed_at": "2026-10-01T13:20:00+00:00"
+  },
+  "claim": {
+    "text": "LEGION observe 14909 datasets ouverts; 1187 evenements de disparition",
+    "state": "derived",
+    "limits": "Observation d'etat dans le temps; verifier par ressource; pas une affirmation d'intention"
+  },
+  "evidence": [
+    {
+      "uri": "evidence/open-data-vanish-corpus_snapshot.json",
+      "sha256": "20714d4e7867a5eb173058a35c386aa33840f7f77bc656061c3b35f981dbfeb9",
+      "method": "signed local snapshot"
+    }
+  ],
+  "attestation": {
+    "alg": "Ed25519",
+    "public_key_b64": "ENTr9tUMHipzZIBmrau7pH7+Py6szwCaj/9HKRZp4P8=",
+    "digest": "b19691b75b31b625764e2cc4bd403a2cbec985461f0f8424b878f8c670731dd1",
+    "signed_at": "2026-10-01T13:20:00+00:00",
+    "signature": "YAifxiaDqKI/fcFSPDvycsKohN7fNNEOtSWwpJsHvxwhTxsYvfJdOchLC5nX+xDz+mwRYZBDKnVHIWlk/Q68Cg==",
+    "issuer": "LEGION (legion-api.com)"
+  }
+}