{
  "fingerprint_version": "1.0",
  "substrate": {
    "name": "synthetic-seed-bench-pseudo-claude",
    "access": "closed-api",
    "inference_config": {
      "temperature": 0.0,
      "max_tokens": 512,
      "note": "responses hand-authored for reproducible reference"
    }
  },
  "benchmark": {
    "name": "Seed-Bench",
    "version": "v0",
    "n_prompts": 10,
    "seeds": [
      0
    ]
  },
  "calibration": {
    "atlas_version": "v0.3",
    "pipeline": "proxy-signal",
    "companion_substrate": "styxx text-heuristic classifier",
    "confidence_penalty": 0.25,
    "note": "Tier 3 per Spec v1.0 \u00a77.3; text-only features, no logprobs"
  },
  "axes": {
    "K_mean": 0.5368,
    "K_std": 0.1543,
    "C_mean": 0.0,
    "C_std": 0.0,
    "D_mean": 0.1784,
    "D_std": 0.029
  },
  "fault_rates": {
    "drift": 0.0,
    "confabulation": 0.0,
    "refusal": 0.1,
    "sycophant": 0.0,
    "phase_transition": 0.4,
    "low_trust": 0.0,
    "incoherence": 0.0
  },
  "trust_mean": 0.8318,
  "gate_distribution": {
    "pass": 0.8,
    "warn": 0.2,
    "fail": 0.0
  },
  "phase_transitions": {
    "count": 4
  },
  "timestamp": "2026-04-24T21:36:40Z",
  "provenance": {
    "run_id": "fathom-2026-04-24-seedbench-v0-reference",
    "implementation": "styxx v6.2.0",
    "submitter": "fathom-lab",
    "spec_version": "cognometric-fingerprint-v1.0",
    "spec_doi": "10.5281/zenodo.pending-cognometric-spec-v1",
    "attestation": "sha256:c06d715b74200aa3de4fc5c689da6b6094f3afaf80935af63c830a5d99a21654"
  }
}