{
  "schema_version": 2,
  "method": "echo",
  "dataset": "deterministic mechanism mini-suite",
  "seeds": [
    42,
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    44
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  "aggregate_metrics": {
    "accepted_tokens_mean": 1.0,
    "accepted_tokens_std": 1.0,
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    "lossless_correction_used_mean": 1.0,
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    "seed_mean": 43.0,
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    "state_reuse_fraction_mean": 0.25,
    "state_reuse_fraction_std": 0.25
  },
  "manifest_ref": "foundation-models:echo",
  "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/foundation-models/2609.17241-echo/metrics/mechanism-seeds42-44.json",
    "dataset_fingerprint": "deterministic-sep16-followup-mini-suite-v1"
  }
}