{
  "generated_utc": "2026-09-21T23:57:22.811377+00:00",
  "reproduction": "python scripts/validate_phenomt_precession.py --backend torch jax --case baseline single_spin equal_mass high_mass_ratio --method numerical --sample-rate 2048 --output receipt.json",
  "versions": {
    "python": "3.13.7",
    "numpy": "2.5.3",
    "lalsimulation": "6.2.1",
    "torch": "2.14.0",
    "jax": "0.11.2"
  },
  "dtype": "float64",
  "device": "cpu",
  "parameters": {
    "baseline": {
      "mass1": 40.0,
      "mass2": 15.0,
      "spin1": [
        0.2,
        0.1,
        0.3
      ],
      "spin2": [
        0.0,
        0.1,
        -0.2
      ],
      "distance_mpc": 100.0,
      "inclination": 0.8,
      "phic": 0.3,
      "f_lower_hz": 20.0,
      "f_ref_hz": 20.0
    },
    "single_spin": {
      "mass1": 35.0,
      "mass2": 20.0,
      "spin1": [
        0.3,
        0.0,
        0.4
      ],
      "spin2": [
        0.0,
        0.0,
        0.0
      ],
      "distance_mpc": 100.0,
      "inclination": 1.1,
      "phic": 0.2,
      "f_lower_hz": 20.0,
      "f_ref_hz": 30.0
    },
    "equal_mass": {
      "mass1": 30.0,
      "mass2": 30.0,
      "spin1": [
        0.2,
        -0.1,
        0.4
      ],
      "spin2": [
        -0.12,
        0.08,
        -0.3
      ],
      "distance_mpc": 100.0,
      "inclination": 0.8,
      "phic": 0.3,
      "f_lower_hz": 20.0,
      "f_ref_hz": 20.0
    },
    "high_mass_ratio": {
      "mass1": 60.0,
      "mass2": 6.0,
      "spin1": [
        0.2,
        0.1,
        0.8
      ],
      "spin2": [
        0.1,
        0.0,
        0.1
      ],
      "distance_mpc": 100.0,
      "inclination": 1.2,
      "phic": 0.1,
      "f_lower_hz": 20.0,
      "f_ref_hz": 20.0
    }
  },
  "metrics": {
    "relative_l2": "norm(actual-reference)/norm(reference); no alignment",
    "mismatch": "1-abs(vdot(actual,reference))/(norm(actual)*norm(reference)); unweighted, constant-phase maximization only, no time shift"
  },
  "results": [
    {
      "approximant": "IMRPhenomTP",
      "method": "numerical",
      "backend": "torch",
      "case": "baseline",
      "sample_rate_hz": 2048,
      "precession_version": 300,
      "final_spin_mod": 4,
      "samples": 2935,
      "epoch_seconds": -1.297896538,
      "relative_l2": 0.02337772092825259,
      "mismatch": 0.00026742164939985713,
      "inspiral": {
        "relative_l2": 0.023194784890546095,
        "mismatch": 0.000262171424375901
      },
      "ringdown": {
        "relative_l2": 0.028901075318139367,
        "mismatch": 0.00014067182840349357
      }
    },
    {
      "approximant": "IMRPhenomTP",
      "method": "numerical",
      "backend": "jax",
      "case": "baseline",
      "sample_rate_hz": 2048,
      "precession_version": 300,
      "final_spin_mod": 4,
      "samples": 2935,
      "epoch_seconds": -1.297896538,
      "relative_l2": 0.023377720928341273,
      "mismatch": 0.0002674216493996351,
      "inspiral": {
        "relative_l2": 0.023194784890641584,
        "mismatch": 0.00026217142437501284
      },
      "ringdown": {
        "relative_l2": 0.028901075318044988,
        "mismatch": 0.00014067182840349357
      }
    },
    {
      "approximant": "IMRPhenomTPHM",
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      "backend": "torch",
      "case": "baseline",
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      "epoch_seconds": -1.297896538,
      "relative_l2": 0.023633279112673246,
      "mismatch": 0.0002740706453165931,
      "inspiral": {
        "relative_l2": 0.02335866582277038,
        "mismatch": 0.0002666145724372626
      },
      "ringdown": {
        "relative_l2": 0.03177618356852115,
        "mismatch": 0.0002427854020040643
      }
    },
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      "mismatch": 0.0002740706453165931,
      "inspiral": {
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        "mismatch": 0.0002666145724371516
      },
      "ringdown": {
        "relative_l2": 0.03177618356852936,
        "mismatch": 0.0002427854020060627
      }
    },
    {
      "approximant": "IMRPhenomTP",
      "method": "numerical",
      "backend": "torch",
      "case": "single_spin",
      "sample_rate_hz": 2048,
      "precession_version": 300,
      "final_spin_mod": 4,
      "samples": 2646,
      "epoch_seconds": -1.156740842,
      "relative_l2": 0.026257844760547516,
      "mismatch": 0.00034097442295810687,
      "inspiral": {
        "relative_l2": 0.02614910920420996,
        "mismatch": 0.00033812021588564
      },
      "ringdown": {
        "relative_l2": 0.030911363897873946,
        "mismatch": 0.0001803710349558285
      }
    },
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      "inspiral": {
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      "inspiral": {
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        "mismatch": 0.0003407681605429591
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      "ringdown": {
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      "mismatch": 0.0003433852109525626,
      "inspiral": {
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        "mismatch": 0.00034076816054773307
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      "ringdown": {
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        "mismatch": 0.00018629699541672373
      }
    },
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      "approximant": "IMRPhenomTP",
      "method": "numerical",
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      "case": "equal_mass",
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      "epoch_seconds": -0.866684684,
      "relative_l2": 0.017433875147234733,
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      "inspiral": {
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  ]
}