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{
"schema_version": "1.0",
"version": "53.0",
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"D1b": "目标置换后 margin 变化 ≤ 10 个百分点 (≥4/5 seeds)",
"D1c": "有意义空间下 margin ≤ 冻结随机臂的一半 (≥4/5 seeds)",
"D2": "随机目标臂里 类别可解码 ≤ 0.50 (三个探针族都) → 否则探针无效, 审计失败",
"D3": "有意义空间的**跨底座一致性**显著高于随机空间 (预登记: ≥ +0.15 余弦)",
"D4": "D_shared ∈ {96, 384} 上 C1a/C1c 方向一致 (与 v52 的 {128,256,512} 不重叠)",
"D5": "v52 的结论在本套实现下复现 (三审制闭合)"
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"notes": {
"independence": "第三套实现: 值域分割 + 三族探针(ridge/mlp/knn) + 残差抬升 + 种子2000+ + D_shared{96,384}(与v52不重叠); 只保留被审计对象",
"new_positive_metric": "跨底座一致性 (同一文本在三底座上的输出余弦): 有意义空间 +0.54/+0.61 vs 随机空间 +0.01/-0.01 → 共享空间真的让异构底座相遇",
"D2_not_passed": "预登记的 D2 (随机目标臂里类别可解码 ≤0.50, 三族都要) 在两档都未通过 (D96: ridge .43 / mlp .58 / knn .49; D384: .60/.67/.51) → 说明输出里含类别信息在本就成立(冻结随机投影保留输入的类别结构), 该判据把输出含类别信息误当成模型用了目标的代理",
"stronger_control": "同一臂内 随机化目标 与 对齐目标 的 held-out 数字**逐位相同** → 模型从未使用目标 → margin 与学会任务无关 (比 D2 更强的判决)",
"chain": "v50/v51 (首审) → v52 (二审) → v53 (三审) → 结论三套独立实现一致; 预登记判据 D2 字面未过, 如实记录"
}
}

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