IMS-perception / provenance.json
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{
"code": {
"converter": "forge_model/IMS/convert_ims.py",
"evidence_gate": {
"perception": [
"confirmed",
"weak"
],
"reasoning": [
"confirmed"
]
},
"excluded_labels": [
"inner_race"
],
"forge_agent_commit": "8f7c384bda3faa43f1f67ac07e1eba99d48aa1a0",
"forge_model_commit": "a88573f32fb0f50ddbe7d865c8dcbfc48f3a74b1",
"pipeline": "forge_agent/examples/ims/convert.py"
},
"dataset": "IMS-perception",
"generated_at": "2026-07-02T05:00:10",
"raw_form_provenance": {
"evidence_tier_by_class": {
"ball": {
"absent": 2515,
"confirmed": 150,
"weak": 335
},
"inner_race": {
"absent": 2100,
"confirmed": 40,
"weak": 320
},
"normal": {
"confirmed": 1195,
"weak": 5
},
"outer_race": {
"absent": 1530,
"confirmed": 1200,
"weak": 270
}
},
"files_used": 1319,
"generation": {
"forge_agent_commit": "5622dddd61a6998052d1d1d9b8ded7c1b6a20561",
"generated_at": "2026-07-01T06:29:07",
"params": {
"fault_cap": 600,
"fault_onset": {
"baseline_frac": 0.25,
"detected_frac_by_channel": {
"1st_B3_1": 0.918,
"1st_B3_2": 0.853,
"1st_B4_1": 0.77,
"1st_B4_2": 0.747,
"2nd_B1": 0.539,
"3rd_B3": 0.836
},
"k": 6.0,
"method": "trend_changepoint on rms health trend (stride 10)",
"persist": 8,
"smooth": 7
},
"fs": 20480.0,
"gold": "documented end-state defect (readme); normal=early, fault=from the DATA-DRIVEN onset of the failed bearing",
"healthy_frac": 0.4,
"normal_cap": 240,
"representations": [
"spectrum",
"spectrogram",
"scalogram",
"waveform",
"reshaped"
],
"rpm": 2000,
"split": "file-stratified per class (IMS has too few bearings for a strict bearing-wise split)"
},
"source": "IMS / NASA-Bearing (NSF IMS Center + Rexnord); 3 run-to-failure sets, Rexnord ZA-2115",
"tool": "forge_agent/examples/ims/convert.py"
},
"labels": {
"ball": 3000,
"inner_race": 2460,
"normal": 1200,
"outer_race": 3000
},
"records": 9660,
"splits": {
"test": 2475,
"train": 7185
}
},
"schema": "unified 7-field SFT (cate=C, task=T-C1)",
"source": "IMS / NASA-Bearing (NSF IMS Center + Rexnord); 3 run-to-failure sets, Rexnord ZA-2115",
"stats": {
"reshaped": {
"evidence_tier": {
"confirmed": 509,
"weak": 122
},
"labels": {
"ball": 97,
"normal": 240,
"outer_race": 294
},
"splits": {
"test": 138,
"train": 493
},
"total": 631
},
"scalogram": {
"evidence_tier": {
"confirmed": 509,
"weak": 122
},
"labels": {
"ball": 97,
"normal": 240,
"outer_race": 294
},
"splits": {
"test": 138,
"train": 493
},
"total": 631
},
"spectrogram": {
"evidence_tier": {
"confirmed": 509,
"weak": 122
},
"labels": {
"ball": 97,
"normal": 240,
"outer_race": 294
},
"splits": {
"test": 138,
"train": 493
},
"total": 631
},
"waveform": {
"evidence_tier": {
"confirmed": 509,
"weak": 122
},
"labels": {
"ball": 97,
"normal": 240,
"outer_race": 294
},
"splits": {
"test": 138,
"train": 493
},
"total": 631
}
}
}