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/state_bridge_s42.json b/results/confirmatory/d512_sparsity/state_bridge_s42.json
new file mode 100644
index 0000000..6ead6f1
--- /dev/null
+++ b/results/confirmatory/d512_sparsity/state_bridge_s42.json
@@ -0,0 +1,92 @@
+{
+  "method": "state_bridge",
+  "seed": 42,
+  "d": 512,
+  "acc": 0.21484375,
+  "per_layer": [
+    {
+      "layer": 0,
+      "mean_norm": 4.425595761858858e-06,
+      "median_norm": 2.2873664420330897e-06,
+      "support": {
+        "1e-08": 1.0,
+        "1e-07": 0.9609375,
+        "1e-06": 0.73046875,
+        "1e-05": 0.13671875,
+        "0.0001": 0.0
+      },
+      "r_inf_mean": 0.15660716593265533,
+      "pr_mean": 0.25847896933555603,
+      "hoyer_mean": 0.552487313747406,
+      "topk_energy": {
+        "1": 0.09988142549991608,
+        "5": 0.3343580961227417,
+        "10": 0.526942789554596,
+        "25": 0.8055785894393921
+      }
+    },
+    {
+      "layer": 1,
+      "mean_norm": 8.89867290965185e-10,
+      "median_norm": 7.882531849467966e-10,
+      "support": {
+        "1e-08": 0.0,
+        "1e-07": 0.0,
+        "1e-06": 0.0,
+        "1e-05": 0.0,
+        "0.0001": 0.0
+      },
+      "r_inf_mean": 0.22632060945034027,
+      "pr_mean": 0.14049243927001953,
+      "hoyer_mean": 0.4679648280143738,
+      "topk_energy": {
+        "1": 0.19472557306289673,
+        "5": 0.48624247312545776,
+        "10": 0.6504409313201904,
+        "25": 0.8541053533554077
+      }
+    },
+    {
+      "layer": 2,
+      "mean_norm": 8.578768806444259e-10,
+      "median_norm": 7.120942169258626e-10,
+      "support": {
+        "1e-08": 0.0,
+        "1e-07": 0.0,
+        "1e-06": 0.0,
+        "1e-05": 0.0,
+        "0.0001": 0.0
+      },
+      "r_inf_mean": 0.2379143089056015,
+      "pr_mean": 0.12168629467487335,
+      "hoyer_mean": 0.43520575761795044,
+      "topk_energy": {
+        "1": 0.21055814623832703,
+        "5": 0.5157504677772522,
+        "10": 0.6823576092720032,
+        "25": 0.8785363435745239
+      }
+    },
+    {
+      "layer": 3,
+      "mean_norm": 8.618984415065256e-10,
+      "median_norm": 7.124206224951024e-10,
+      "support": {
+        "1e-08": 0.0,
+        "1e-07": 0.0,
+        "1e-06": 0.0,
+        "1e-05": 0.0,
+        "0.0001": 0.0
+      },
+      "r_inf_mean": 0.23704960942268372,
+      "pr_mean": 0.12051372975111008,
+      "hoyer_mean": 0.43464887142181396,
+      "topk_energy": {
+        "1": 0.21175599098205566,
+        "5": 0.5181878209114075,
+        "10": 0.6844409704208374,
+        "25": 0.8791305422782898
+      }
+    }
+  ]
+}
\ No newline at end of file