Add shard_00002.manifest.json

manifests/shard_00002.manifest.json

@@ -0,0 +1,19 @@
+{
+  "shard_id": 2,
+  "rows": 134200,
+  "size_mb": 195.02,
+  "compression": "zstd",
+  "source_breakdown": {
+    "arithmetic": 0.1155,
+    "cosmopedia_v2": 0.0832,
+    "finewiki": 0.3364,
+    "python_edu": 0.1004,
+    "fineweb_edu": 0.1687,
+    "tiny_math": 0.117,
+    "mini_en": 0.0213,
+    "tiny_strange": 0.0272,
+    "tiny_textbooks": 0.0303
+  },
+  "created_at": "2026-07-13T14:40:25.410502Z",
+  "run_name": "bison-data-v2"
+}