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_s123.json b/results/confirmatory/d512_sparsity/dfa_s123.json
new file mode 100644
index 0000000..5f6b44a
--- /dev/null
+++ b/results/confirmatory/d512_sparsity/dfa_s123.json
@@ -0,0 +1,92 @@
+{
+  "method": "dfa",
+  "seed": 123,
+  "d": 512,
+  "acc": 0.3046875,
+  "per_layer": [
+    {
+      "layer": 0,
+      "mean_norm": 2.0902507458231412e-07,
+      "median_norm": 1.5719659529622731e-07,
+      "support": {
+        "1e-08": 1.0,
+        "1e-07": 0.8125,
+        "1e-06": 0.0078125,
+        "1e-05": 0.0,
+        "0.0001": 0.0
+      },
+      "r_inf_mean": 0.1672678291797638,
+      "pr_mean": 0.2636428773403168,
+      "hoyer_mean": 0.5818999409675598,
+      "topk_energy": {
+        "1": 0.106045201420784,
+        "5": 0.3371678590774536,
+        "10": 0.5130943059921265,
+        "25": 0.7756586074829102
+      }
+    },
+    {
+      "layer": 1,
+      "mean_norm": 3.7396913343812344e-10,
+      "median_norm": 3.374081847251631e-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": 0.43563124537467957,
+      "pr_mean": 0.03170815855264664,
+      "hoyer_mean": 0.20432539284229279,
+      "topk_energy": {
+        "1": 0.48950377106666565,
+        "5": 0.8048893213272095,
+        "10": 0.9002807140350342,
+        "25": 0.973090410232544
+      }
+    },
+    {
+      "layer": 2,
+      "mean_norm": 3.6351219256935963e-10,
+      "median_norm": 3.3696376244840565e-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": 0.43800264596939087,
+      "pr_mean": 0.029514959082007408,
+      "hoyer_mean": 0.19632266461849213,
+      "topk_energy": {
+        "1": 0.4940042495727539,
+        "5": 0.8118497133255005,
+        "10": 0.906427264213562,
+        "25": 0.9772160053253174
+      }
+    },
+    {
+      "layer": 3,
+      "mean_norm": 3.634120226969628e-10,
+      "median_norm": 3.3693856038574665e-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": 0.4380123019218445,
+      "pr_mean": 0.02949753776192665,
+      "hoyer_mean": 0.19609278440475464,
+      "topk_energy": {
+        "1": 0.4941186308860779,
+        "5": 0.8121366500854492,
+        "10": 0.9066112637519836,
+        "25": 0.9772941470146179
+      }
+    }
+  ]
+}
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