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/credit_bridge_s1024.json b/results/confirmatory/d512_sparsity/credit_bridge_s1024.json
new file mode 100644
index 0000000..4171b57
--- /dev/null
+++ b/results/confirmatory/d512_sparsity/credit_bridge_s1024.json
@@ -0,0 +1,92 @@
+{
+  "method": "credit_bridge",
+  "seed": 1024,
+  "d": 512,
+  "acc": 0.2890625,
+  "per_layer": [
+    {
+      "layer": 0,
+      "mean_norm": 3.71430644463544e-07,
+      "median_norm": 2.8360327064547164e-07,
+      "support": {
+        "1e-08": 1.0,
+        "1e-07": 0.90234375,
+        "1e-06": 0.0390625,
+        "1e-05": 0.0,
+        "0.0001": 0.0
+      },
+      "r_inf_mean": 0.1701270192861557,
+      "pr_mean": 0.2665461599826813,
+      "hoyer_mean": 0.5886560082435608,
+      "topk_energy": {
+        "1": 0.10789893567562103,
+        "5": 0.3311918377876282,
+        "10": 0.5005195736885071,
+        "25": 0.7670914530754089
+      }
+    },
+    {
+      "layer": 1,
+      "mean_norm": 3.4111746760601136e-10,
+      "median_norm": 2.8754565395416876e-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": 0.3288634717464447,
+      "pr_mean": 0.07873518764972687,
+      "hoyer_mean": 0.3762561082839966,
+      "topk_energy": {
+        "1": 0.3131330907344818,
+        "5": 0.603603720664978,
+        "10": 0.7430586814880371,
+        "25": 0.9018745422363281
+      }
+    },
+    {
+      "layer": 2,
+      "mean_norm": 3.170050888456899e-10,
+      "median_norm": 2.8360100379209996e-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": 0.33983784914016724,
+      "pr_mean": 0.06737968325614929,
+      "hoyer_mean": 0.3513498604297638,
+      "topk_energy": {
+        "1": 0.3292202949523926,
+        "5": 0.6253340244293213,
+        "10": 0.765795111656189,
+        "25": 0.9172285795211792
+      }
+    },
+    {
+      "layer": 3,
+      "mean_norm": 3.1769864516917323e-10,
+      "median_norm": 2.8375143901193667e-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": 0.3399490714073181,
+      "pr_mean": 0.06728941947221756,
+      "hoyer_mean": 0.3524706959724426,
+      "topk_energy": {
+        "1": 0.32870641350746155,
+        "5": 0.6245485544204712,
+        "10": 0.7650116682052612,
+        "25": 0.916749119758606
+      }
+    }
+  ]
+}
\ No newline at end of file