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/dfa_s456.json b/results/confirmatory/d512_sparsity/dfa_s456.json
new file mode 100644
index 0000000..139a809
--- /dev/null
+++ b/results/confirmatory/d512_sparsity/dfa_s456.json
@@ -0,0 +1,92 @@
+{
+  "method": "dfa",
+  "seed": 456,
+  "d": 512,
+  "acc": 0.30859375,
+  "per_layer": [
+    {
+      "layer": 0,
+      "mean_norm": 2.2693301104936836e-07,
+      "median_norm": 1.6605395103397314e-07,
+      "support": {
+        "1e-08": 1.0,
+        "1e-07": 0.8046875,
+        "1e-06": 0.0078125,
+        "1e-05": 0.0,
+        "0.0001": 0.0
+      },
+      "r_inf_mean": 0.17300233244895935,
+      "pr_mean": 0.2518494725227356,
+      "hoyer_mean": 0.5775954127311707,
+      "topk_energy": {
+        "1": 0.11670325696468353,
+        "5": 0.35390937328338623,
+        "10": 0.5263104438781738,
+        "25": 0.7762831449508667
+      }
+    },
+    {
+      "layer": 1,
+      "mean_norm": 4.052312929658797e-10,
+      "median_norm": 3.7787495354990597e-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": 0.611523449420929,
+      "pr_mean": 0.015405929647386074,
+      "hoyer_mean": 0.14543284475803375,
+      "topk_energy": {
+        "1": 0.6668702960014343,
+        "5": 0.8768892288208008,
+        "10": 0.9348099231719971,
+        "25": 0.9814407825469971
+      }
+    },
+    {
+      "layer": 2,
+      "mean_norm": 3.9325609435536535e-10,
+      "median_norm": 3.79076242618126e-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": 0.6161425113677979,
+      "pr_mean": 0.01332353800535202,
+      "hoyer_mean": 0.13622042536735535,
+      "topk_energy": {
+        "1": 0.6729068756103516,
+        "5": 0.8841345906257629,
+        "10": 0.9411065578460693,
+        "25": 0.9857841730117798
+      }
+    },
+    {
+      "layer": 3,
+      "mean_norm": 3.932508207959984e-10,
+      "median_norm": 3.7866257351915067e-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": 0.6162815093994141,
+      "pr_mean": 0.01329941488802433,
+      "hoyer_mean": 0.1349887251853943,
+      "topk_energy": {
+        "1": 0.6732834577560425,
+        "5": 0.8845071196556091,
+        "10": 0.9415337443351746,
+        "25": 0.9861376285552979
+      }
+    }
+  ]
+}
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