{
  "schema_version": 2,
  "manifest_ref": "foundation-models:pumba",
  "method": "pumba",
  "dataset": "deterministic public mechanism mini-suite",
  "seeds": [
    42,
    43,
    44
  ],
  "diagnostic_only": true,
  "seed_results": [
    {
      "seed": 42,
      "window_loss": 4.579335689544678,
      "steps": 3,
      "initial_gradient_norm": 0.7704217433929443,
      "boundary_carry_detached": true
    },
    {
      "seed": 43,
      "window_loss": 3.3977725505828857,
      "steps": 3,
      "initial_gradient_norm": 0.7224628329277039,
      "boundary_carry_detached": true
    },
    {
      "seed": 44,
      "window_loss": 2.645535469055176,
      "steps": 3,
      "initial_gradient_norm": 0.6216925382614136,
      "boundary_carry_detached": true
    }
  ],
  "aggregate_metrics": {
    "seed_mean": 43.0,
    "window_loss_mean": 3.5408812363942466,
    "steps_mean": 3.0,
    "initial_gradient_norm_mean": 0.7048590381940206
  },
  "evaluation_protocol": {
    "tier": "l1_mechanism",
    "formal_comparison": false,
    "diagnostic_only": true,
    "claim_policy": "mechanism execution and invariants only",
    "seeds": [
      42,
      43,
      44
    ]
  },
  "provenance": {
    "artifact_path": "docs/foundation-models/2609.37974-pumba/metrics/mechanism-seeds42-44.json",
    "dataset_fingerprint": "oct01-public-mechanism-fixtures-v1",
    "original_code_commit": "working tree"
  }
}