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_s456.json b/results/confirmatory/d512_sparsity/state_bridge_s456.json
new file mode 100644
index 0000000..d58b07c
--- /dev/null
+++ b/results/confirmatory/d512_sparsity/state_bridge_s456.json
@@ -0,0 +1,92 @@
+{
+  "method": "state_bridge",
+  "seed": 456,
+  "d": 512,
+  "acc": 0.2109375,
+  "per_layer": [
+    {
+      "layer": 0,
+      "mean_norm": 7.5970137913827784e-06,
+      "median_norm": 8.983199677459197e-07,
+      "support": {
+        "1e-08": 1.0,
+        "1e-07": 0.91796875,
+        "1e-06": 0.484375,
+        "1e-05": 0.078125,
+        "0.0001": 0.01171875
+      },
+      "r_inf_mean": 0.1340409368276596,
+      "pr_mean": 0.338930606842041,
+      "hoyer_mean": 0.6252397298812866,
+      "topk_energy": {
+        "1": 0.07756275683641434,
+        "5": 0.2733571529388428,
+        "10": 0.44276171922683716,
+        "25": 0.7333296537399292
+      }
+    },
+    {
+      "layer": 1,
+      "mean_norm": 4.3787745651613363e-10,
+      "median_norm": 1.579348596347785e-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": 0.1597709059715271,
+      "pr_mean": Infinity,
+      "hoyer_mean": 0.6211089491844177,
+      "topk_energy": {
+        "1": 0.10578952729701996,
+        "5": 0.3163875341415405,
+        "10": 0.4668479561805725,
+        "25": 0.7191700339317322
+      }
+    },
+    {
+      "layer": 2,
+      "mean_norm": 6.669074320564405e-11,
+      "median_norm": 6.156444104510328e-11,
+      "support": {
+        "1e-08": 0.0,
+        "1e-07": 0.0,
+        "1e-06": 0.0,
+        "1e-05": 0.0,
+        "0.0001": 0.0
+      },
+      "r_inf_mean": 0.2451600879430771,
+      "pr_mean": Infinity,
+      "hoyer_mean": 0.4086393713951111,
+      "topk_energy": {
+        "1": 0.21267864108085632,
+        "5": 0.5481702089309692,
+        "10": 0.7168747782707214,
+        "25": 0.8962578177452087
+      }
+    },
+    {
+      "layer": 3,
+      "mean_norm": 6.670693164512187e-11,
+      "median_norm": 6.156746640284538e-11,
+      "support": {
+        "1e-08": 0.0,
+        "1e-07": 0.0,
+        "1e-06": 0.0,
+        "1e-05": 0.0,
+        "0.0001": 0.0
+      },
+      "r_inf_mean": 0.2449156641960144,
+      "pr_mean": Infinity,
+      "hoyer_mean": 0.4083329439163208,
+      "topk_energy": {
+        "1": 0.2122262418270111,
+        "5": 0.5481339693069458,
+        "10": 0.7176352739334106,
+        "25": 0.8967841863632202
+      }
+    }
+  ]
+}
\ No newline at end of file