Add d=512 support sparsity: 20 JSONs + summary CSV

BP: s(1e-6)=92.7%, norm=2.70e-04, r_inf=0.159, PR=0.300
DFA: s(1e-6)=0.1%, norm=5.31e-08
SB: s(1e-6)=20.3%, norm=2.33e-06
CB: s(1e-6)=1.2%, norm=9.88e-08

Same pattern as d=256, confirming width-independence of the sparsity gap.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

1 files changed, 92 insertions, 0 deletions

diff --git a/results/confirmatory/d512_sparsity/bp_s42.json b/results/confirmatory/d512_sparsity/bp_s42.json
new file mode 100644
index 0000000..5f9eabd
--- /dev/null
+++ b/results/confirmatory/d512_sparsity/bp_s42.json
@@ -0,0 +1,92 @@
+{
+  "method": "bp",
+  "seed": 42,
+  "d": 512,
+  "acc": 0.60546875,
+  "per_layer": [
+    {
+      "layer": 0,
+      "mean_norm": 0.00028233026387169957,
+      "median_norm": 0.00018844613805413246,
+      "support": {
+        "1e-08": 0.99609375,
+        "1e-07": 0.9765625,
+        "1e-06": 0.92578125,
+        "1e-05": 0.83203125,
+        "0.0001": 0.6171875
+      },
+      "r_inf_mean": 0.16567261517047882,
+      "pr_mean": 0.2859198749065399,
+      "hoyer_mean": 0.609848141670227,
+      "topk_energy": {
+        "1": 0.10115227103233337,
+        "5": 0.3091563582420349,
+        "10": 0.47484537959098816,
+        "25": 0.7481317520141602
+      }
+    },
+    {
+      "layer": 1,
+      "mean_norm": 0.0002775333123281598,
+      "median_norm": 0.00019198100198991597,
+      "support": {
+        "1e-08": 0.99609375,
+        "1e-07": 0.9765625,
+        "1e-06": 0.92578125,
+        "1e-05": 0.83203125,
+        "0.0001": 0.609375
+      },
+      "r_inf_mean": 0.16149599850177765,
+      "pr_mean": 0.29482847452163696,
+      "hoyer_mean": 0.6153899431228638,
+      "topk_energy": {
+        "1": 0.09718462824821472,
+        "5": 0.30224519968032837,
+        "10": 0.46781834959983826,
+        "25": 0.7435224056243896
+      }
+    },
+    {
+      "layer": 2,
+      "mean_norm": 0.00027455732924863696,
+      "median_norm": 0.0001936112967086956,
+      "support": {
+        "1e-08": 0.99609375,
+        "1e-07": 0.9765625,
+        "1e-06": 0.92578125,
+        "1e-05": 0.828125,
+        "0.0001": 0.61328125
+      },
+      "r_inf_mean": 0.16103291511535645,
+      "pr_mean": 0.2986469268798828,
+      "hoyer_mean": 0.6171576380729675,
+      "topk_energy": {
+        "1": 0.09551459550857544,
+        "5": 0.29902034997940063,
+        "10": 0.46482500433921814,
+        "25": 0.7421286106109619
+      }
+    },
+    {
+      "layer": 3,
+      "mean_norm": 0.0002418001095065847,
+      "median_norm": 0.00017368780390825123,
+      "support": {
+        "1e-08": 0.99609375,
+        "1e-07": 0.97265625,
+        "1e-06": 0.92578125,
+        "1e-05": 0.82421875,
+        "0.0001": 0.60546875
+      },
+      "r_inf_mean": 0.1549774408340454,
+      "pr_mean": 0.3095359206199646,
+      "hoyer_mean": 0.622551679611206,
+      "topk_energy": {
+        "1": 0.09128393232822418,
+        "5": 0.2918078303337097,
+        "10": 0.4572557508945465,
+        "25": 0.7371418476104736
+      }
+    }
+  ]
+}
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