Add shard_00030.manifest.json

manifests/shard_00030.manifest.json

@@ -0,0 +1,19 @@
+{
+  "shard_id": 30,
+  "rows": 109150,
+  "size_mb": 199.08,
+  "compression": "zstd",
+  "source_breakdown": {
+    "python_edu": 0.1033,
+    "finewiki": 0.3407,
+    "cosmopedia_v2": 0.0846,
+    "fineweb_edu": 0.1708,
+    "tiny_textbooks": 0.0173,
+    "tiny_strange": 0.0284,
+    "arithmetic": 0.1223,
+    "tiny_math": 0.1202,
+    "mini_en": 0.0123
+  },
+  "created_at": "2026-07-13T17:41:26.447493Z",
+  "run_name": "bison-data-v2"
+}