{
  "title": "Computations for Curvature-Induced Killing at Stochastic Algebraic Folds",
  "python": "3.11 or later",
  "dependencies": {
    "numpy": "2.3.5",
    "scipy": "1.17.0",
    "matplotlib": "3.10.8",
    "pytest": "9.0.2"
  },
  "commands_from_package_root": {
    "install": "python -m pip install numpy==2.3.5 scipy==1.17.0 matplotlib==3.10.8 pytest==9.0.2",
    "verify": "python anc/verify.py",
    "build": "python anc/build.py --output-dir build",
    "deterministic_reproduction": "python anc/code/reproduce.py --skip-simulation --output-root rerun",
    "full_reproduction": "python anc/code/reproduce.py --n 20000 --output-root rerun",
    "single_configuration": "python anc/code/simulate_fold.py --output rerun/anc/data/paths"
  },
  "build_requirements": "A TeX distribution with pdfLaTeX, BibTeX, AMS packages, Latin Modern, cleveref, aliascnt, microtype, needspace, xcolor and booktabs. The builder compiles in a temporary directory and copies main.pdf to the requested output directory.",
  "paths": "Input paths are resolved from script locations. Reproduction writes tables/ and figures/ below its output root and numerical outputs below anc/data/. Omitting --output-root replaces those outputs in this package. The single-configuration --output argument is a file prefix relative to the working directory when given as a relative path.",
  "data": {
    "configurations": 10,
    "records_per_configuration": 20000,
    "total_path_records": 200000,
    "format": "One CSV record per path, with companion JSON parameters and summaries. Python float parsing preserves each stored binary64 value; the supplied path_data.py reader restores explicit dtypes.",
    "columns": {
      "cause": "int8",
      "time_lower": "float64",
      "time_upper": "float64",
      "pre_h": "float64",
      "terminal_mark": "float64",
      "final_v": "float64",
      "retained_marks": "int32",
      "occupation_left_001": "float64"
    },
    "cause_values": {
      "0": "continuous contact",
      "1": "terminal jump",
      "2": "survival to the horizon"
    },
    "contact_times": "time_lower and time_upper contain the interval containing continuous contact; jump times have equal endpoints.",
    "terminal_mark": "nan denotes an unavailable terminal mark on a path that did not terminate at a jump.",
    "occupation_left_001": "A discrete left-endpoint occupation sum for the region H <= 0.01."
  },
  "verification": "Runs the original 33 main-article tests, then reconstructs terminal-cause counts, means and standard errors from all 200000 CSV records and checks every fatal mark against the fold geometry.",
  "numerical_interpretation": "The joint simulation truncates small marks and freezes diffusion coefficients between retained arrivals. Sampling standard errors describe the specified approximation. Bounds on omitted input do not provide stopping-probability error bounds.",
  "original_primary_environment": {
    "python": "3.13.5",
    "numpy": "2.3.5",
    "scipy": "1.17.0"
  },
  "ai_assistance": "ChatGPT was used for proofreading and language polishing."
}