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_s123.json b/results/confirmatory/d512_sparsity/bp_s123.json
new file mode 100644
index 0000000..f3d76f3
--- /dev/null
+++ b/results/confirmatory/d512_sparsity/bp_s123.json
@@ -0,0 +1,92 @@
+{
+  "method": "bp",
+  "seed": 123,
+  "d": 512,
+  "acc": 0.61328125,
+  "per_layer": [
+    {
+      "layer": 0,
+      "mean_norm": 0.0002711770648602396,
+      "median_norm": 0.00017424632096663117,
+      "support": {
+        "1e-08": 1.0,
+        "1e-07": 0.9609375,
+        "1e-06": 0.91796875,
+        "1e-05": 0.83203125,
+        "0.0001": 0.59765625
+      },
+      "r_inf_mean": 0.1620323359966278,
+      "pr_mean": 0.2903015911579132,
+      "hoyer_mean": 0.6103194952011108,
+      "topk_energy": {
+        "1": 0.0982980728149414,
+        "5": 0.3064849376678467,
+        "10": 0.473066508769989,
+        "25": 0.7485074996948242
+      }
+    },
+    {
+      "layer": 1,
+      "mean_norm": 0.0002706634986680001,
+      "median_norm": 0.0001670950441621244,
+      "support": {
+        "1e-08": 1.0,
+        "1e-07": 0.9609375,
+        "1e-06": 0.91796875,
+        "1e-05": 0.83203125,
+        "0.0001": 0.60546875
+      },
+      "r_inf_mean": 0.15793266892433167,
+      "pr_mean": 0.30199772119522095,
+      "hoyer_mean": 0.6192203760147095,
+      "topk_energy": {
+        "1": 0.09389443695545197,
+        "5": 0.2978808879852295,
+        "10": 0.46328938007354736,
+        "25": 0.7399334907531738
+      }
+    },
+    {
+      "layer": 2,
+      "mean_norm": 0.0002681404585018754,
+      "median_norm": 0.00017357691831421107,
+      "support": {
+        "1e-08": 1.0,
+        "1e-07": 0.9609375,
+        "1e-06": 0.91796875,
+        "1e-05": 0.83203125,
+        "0.0001": 0.60546875
+      },
+      "r_inf_mean": 0.1550728678703308,
+      "pr_mean": 0.3070656657218933,
+      "hoyer_mean": 0.6201037168502808,
+      "topk_energy": {
+        "1": 0.0915556326508522,
+        "5": 0.29387107491493225,
+        "10": 0.45943015813827515,
+        "25": 0.7392378449440002
+      }
+    },
+    {
+      "layer": 3,
+      "mean_norm": 0.00024108993238769472,
+      "median_norm": 0.00015389223699457943,
+      "support": {
+        "1e-08": 1.0,
+        "1e-07": 0.9609375,
+        "1e-06": 0.91796875,
+        "1e-05": 0.828125,
+        "0.0001": 0.58984375
+      },
+      "r_inf_mean": 0.14962245523929596,
+      "pr_mean": 0.3186984062194824,
+      "hoyer_mean": 0.6280956864356995,
+      "topk_energy": {
+        "1": 0.08751613646745682,
+        "5": 0.2860363721847534,
+        "10": 0.45116642117500305,
+        "25": 0.7324578166007996
+      }
+    }
+  ]
+}
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