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provenance.json

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+{
+  "code": {
+    "converter": "forge_model/XJTU/convert_xjtu.py",
+    "evidence_gate": {
+      "conflict_rule": "weak kept only if computed_verdict in {label, normal}",
+      "perception": "confirmed + weak-nonconflict",
+      "reasoning": [
+        "confirmed"
+      ]
+    },
+    "excluded_labels": [
+      "cage"
+    ],
+    "forge_agent_commit": "250c7e5f893bf76aa359dd32549e023903e4f6b5",
+    "forge_model_commit": "229ee98152d6588a07ce2ee9251d199bd2a88def",
+    "pipeline": "forge_agent/examples/xjtu/convert.py",
+    "query_pool": {
+      "reshaped": 30,
+      "scalogram": 30,
+      "spectrogram": 30,
+      "spectrum": 30,
+      "waveform": 30
+    }
+  },
+  "dataset": "XJTU-perception",
+  "generated_at": "2026-07-14T21:06:57",
+  "raw_form_provenance": {
+    "evidence_tier_by_class": {
+      "cage": {
+        "absent": 290,
+        "confirmed": 30,
+        "weak": 390
+      },
+      "inner_race": {
+        "absent": 95,
+        "confirmed": 695,
+        "weak": 95
+      },
+      "normal": {
+        "confirmed": 2080,
+        "weak": 215
+      },
+      "outer_race": {
+        "absent": 210,
+        "confirmed": 1760,
+        "weak": 145
+      }
+    },
+    "files_used": 1201,
+    "generation": {
+      "forge_agent_commit": "250c7e5f893bf76aa359dd32549e023903e4f6b5",
+      "generated_at": "2026-07-14T07:46:00",
+      "params": {
+        "channel": "horizontal",
+        "excluded_compound": {
+          "Bearing1_5": "inner_race+outer_race",
+          "Bearing3_2": "inner_race+ball+cage+outer_race"
+        },
+        "fault_onset": {
+          "detected_frac_by_bearing": {
+            "Bearing1_1": 0.61,
+            "Bearing1_2": 0.248,
+            "Bearing1_3": 0.411,
+            "Bearing1_4": 0.656,
+            "Bearing1_5": 0.308,
+            "Bearing2_1": 0.91,
+            "Bearing2_2": 0.28,
+            "Bearing2_3": 0.298,
+            "Bearing2_4": 0.643,
+            "Bearing2_5": 0.354,
+            "Bearing3_1": 0.927,
+            "Bearing3_2": 0.622,
+            "Bearing3_3": 0.911,
+            "Bearing3_4": 0.931,
+            "Bearing3_5": 0.096
+          },
+          "ladder": {
+            "relaxed": {
+              "baseline_frac": 0.25,
+              "k": 6.0,
+              "persist": 2,
+              "smooth": 3
+            },
+            "shortbase": {
+              "baseline_frac": 0.1,
+              "k": 4.0,
+              "persist": 2,
+              "smooth": 3
+            },
+            "strict": {
+              "baseline_frac": 0.25,
+              "k": 6.0,
+              "persist": 8,
+              "smooth": 7
+            }
+          },
+          "method": "trend_changepoint on rms health trend (adaptive stride; retry ladder strict->relaxed->shortbase)",
+          "pass_by_bearing": {
+            "Bearing1_1": "strict",
+            "Bearing1_2": "strict-floor",
+            "Bearing1_3": "strict",
+            "Bearing1_4": "strict",
+            "Bearing1_5": "strict",
+            "Bearing2_1": "strict",
+            "Bearing2_2": "strict",
+            "Bearing2_3": "strict",
+            "Bearing2_4": "strict",
+            "Bearing2_5": "strict",
+            "Bearing3_1": "strict",
+            "Bearing3_2": "strict",
+            "Bearing3_3": "strict",
+            "Bearing3_4": "strict",
+            "Bearing3_5": "shortbase-floor"
+          }
+        },
+        "fault_per_bearing": {
+          "cage": 100,
+          "inner_race": 100,
+          "outer_race": 60
+        },
+        "fs": 25600.0,
+        "gold": "documented teardown failure element (Table 3); normal=early files (before min(healthy_frac, onset)) of ALL bearings",
+        "healthy_frac": 0.3,
+        "normal_per_bearing": 40,
+        "representations": [
+          "spectrum",
+          "spectrogram",
+          "scalogram",
+          "waveform",
+          "reshaped"
+        ],
+        "spectrum_fmax": 650.0,
+        "speed": {
+          "mean_abs_offset_frac": 0.01256,
+          "method": "estimate_speed; scored under {nominal, refined}, best wins",
+          "refined_used_frac": 0.721
+        },
+        "split": {
+          "rule": "bearing-wise holdout",
+          "test_bearings": [
+            "Bearing1_3",
+            "Bearing2_3",
+            "Bearing2_5",
+            "Bearing3_3"
+          ]
+        },
+        "win_seconds": 1.28
+      },
+      "source": "XJTU-SY accelerated-life bearing datasets (XJTU + Changxing Sumyoung); 15 LDK UER204 run-to-failure bearings, 3 conditions. Cite: Wang et al., IEEE Trans. Reliability 2018 (10.1109/TR.2018.2882682); gold labels = Table 3 of Lei et al., J. Mech. Eng. 55(16) 2019 (10.3901/JME.2019.16.001)",
+      "tool": "forge_agent/examples/xjtu/convert.py"
+    },
+    "gold_conflicts": {
+      "cage->outer_race": 57,
+      "inner_race->ball": 1,
+      "normal->cage": 3,
+      "normal->inner_race": 39,
+      "normal->outer_race": 1,
+      "outer_race->ball": 1,
+      "outer_race->inner_race": 2
+    },
+    "labels": {
+      "cage": 710,
+      "inner_race": 885,
+      "normal": 2295,
+      "outer_race": 2115
+    },
+    "records": 6005,
+    "splits": {
+      "test": 2065,
+      "train": 3940
+    }
+  },
+  "schema": "unified 7-field SFT (cate=C, task=T-C1)",
+  "source": "XJTU-SY accelerated-life bearing datasets (XJTU + Changxing Sumyoung); 15 LDK UER204 run-to-failure bearings, 3 conditions",
+  "stats": {
+    "reshaped": {
+      "evidence_tier": {
+        "confirmed": 907,
+        "weak": 44
+      },
+      "labels": {
+        "inner_race": 157,
+        "normal": 416,
+        "outer_race": 378
+      },
+      "splits": {
+        "test": 242,
+        "train": 709
+      },
+      "total": 951
+    },
+    "scalogram": {
+      "evidence_tier": {
+        "confirmed": 907,
+        "weak": 44
+      },
+      "labels": {
+        "inner_race": 157,
+        "normal": 416,
+        "outer_race": 378
+      },
+      "splits": {
+        "test": 242,
+        "train": 709
+      },
+      "total": 951
+    },
+    "spectrogram": {
+      "evidence_tier": {
+        "confirmed": 907,
+        "weak": 44
+      },
+      "labels": {
+        "inner_race": 157,
+        "normal": 416,
+        "outer_race": 378
+      },
+      "splits": {
+        "test": 242,
+        "train": 709
+      },
+      "total": 951
+    },
+    "waveform": {
+      "evidence_tier": {
+        "confirmed": 907,
+        "weak": 44
+      },
+      "labels": {
+        "inner_race": 157,
+        "normal": 416,
+        "outer_race": 378
+      },
+      "splits": {
+        "test": 242,
+        "train": 709
+      },
+      "total": 951
+    }
+  }
+}