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_s456.json b/results/confirmatory/d512_sparsity/bp_s456.json
new file mode 100644
index 0000000..f238d62
--- /dev/null
+++ b/results/confirmatory/d512_sparsity/bp_s456.json
@@ -0,0 +1,92 @@
+{
+  "method": "bp",
+  "seed": 456,
+  "d": 512,
+  "acc": 0.609375,
+  "per_layer": [
+    {
+      "layer": 0,
+      "mean_norm": 0.00028685771394521,
+      "median_norm": 0.00023502320982515812,
+      "support": {
+        "1e-08": 0.98828125,
+        "1e-07": 0.9765625,
+        "1e-06": 0.9296875,
+        "1e-05": 0.81640625,
+        "0.0001": 0.64453125
+      },
+      "r_inf_mean": 0.16369208693504333,
+      "pr_mean": 0.2898195683956146,
+      "hoyer_mean": 0.6110389232635498,
+      "topk_energy": {
+        "1": 0.09867139160633087,
+        "5": 0.30585211515426636,
+        "10": 0.4715837240219116,
+        "25": 0.7475721836090088
+      }
+    },
+    {
+      "layer": 1,
+      "mean_norm": 0.00028306932654231787,
+      "median_norm": 0.00024432106874883175,
+      "support": {
+        "1e-08": 0.98828125,
+        "1e-07": 0.98046875,
+        "1e-06": 0.9296875,
+        "1e-05": 0.8203125,
+        "0.0001": 0.64453125
+      },
+      "r_inf_mean": 0.15959879755973816,
+      "pr_mean": 0.29841816425323486,
+      "hoyer_mean": 0.615705132484436,
+      "topk_energy": {
+        "1": 0.09507234394550323,
+        "5": 0.3000008761882782,
+        "10": 0.4656180143356323,
+        "25": 0.7432664632797241
+      }
+    },
+    {
+      "layer": 2,
+      "mean_norm": 0.0002813972532749176,
+      "median_norm": 0.0002344252570765093,
+      "support": {
+        "1e-08": 0.98828125,
+        "1e-07": 0.9765625,
+        "1e-06": 0.9296875,
+        "1e-05": 0.8125,
+        "0.0001": 0.64453125
+      },
+      "r_inf_mean": 0.1563045084476471,
+      "pr_mean": 0.30358853936195374,
+      "hoyer_mean": 0.6189905405044556,
+      "topk_energy": {
+        "1": 0.09376748651266098,
+        "5": 0.2965458333492279,
+        "10": 0.46166568994522095,
+        "25": 0.7402913570404053
+      }
+    },
+    {
+      "layer": 3,
+      "mean_norm": 0.00025671208277344704,
+      "median_norm": 0.00021371361799538136,
+      "support": {
+        "1e-08": 0.98828125,
+        "1e-07": 0.9765625,
+        "1e-06": 0.921875,
+        "1e-05": 0.81640625,
+        "0.0001": 0.64453125
+      },
+      "r_inf_mean": 0.1531774252653122,
+      "pr_mean": 0.3132062554359436,
+      "hoyer_mean": 0.6239677667617798,
+      "topk_energy": {
+        "1": 0.08954571932554245,
+        "5": 0.2893158197402954,
+        "10": 0.4543725848197937,
+        "25": 0.7358365058898926
+      }
+    }
+  ]
+}
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