{
  "schema_version": 2,
  "method": "stacktok",
  "dataset": "deterministic mechanism mini-suite",
  "seeds": [
    42,
    43,
    44
  ],
  "runs": [
    {
      "seed": 42,
      "query_entropy": 0.9881602266009952,
      "relevance_steps": 0.0,
      "coverage_steps": 8.0,
      "retained_fraction": 0.2
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      "seed": 43,
      "query_entropy": 0.9886815224902871,
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      "retained_fraction": 0.2
    },
    {
      "seed": 44,
      "query_entropy": 0.9880160676267793,
      "relevance_steps": 0.0,
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      "retained_fraction": 0.2
    }
  ],
  "aggregate_metrics": {
    "coverage_steps_mean": 8.0,
    "coverage_steps_std": 0.0,
    "query_entropy_mean": 0.9882859389060205,
    "query_entropy_std": 0.0003500860345223995,
    "relevance_steps_mean": 0.0,
    "relevance_steps_std": 0.0,
    "retained_fraction_mean": 0.20000000000000004,
    "retained_fraction_std": 0.0,
    "seed_mean": 43.0,
    "seed_std": 1.0
  },
  "manifest_ref": "multimodal-models:stacktok",
  "evaluation_protocol": {
    "tier": "l1_mechanism",
    "seeds": [
      42,
      43,
      44
    ],
    "formal_comparison": false,
    "diagnostic_only": true,
    "claim_policy": "mechanism execution only; not a paper-scale capability result"
  },
  "provenance": {
    "commit": "working tree before commit",
    "command": "PYTHONPATH=src python scripts/generate_sep_16_followup_artifacts.py",
    "artifact_path": "docs/multimodal-models/2609.16841-stacktok/metrics/mechanism-seeds42-44.json",
    "dataset_fingerprint": "deterministic-sep16-followup-mini-suite-v1"
  }
}