{
  "visual_id": "V12",
  "title": "Which changed sources can we see?",
  "classification": "analytic_toy",
  "status": "validated_within_scope",
  "experiment_ids": [
    "E08"
  ],
  "claim_ids": [
    "C08"
  ],
  "run_ids": [
    "20260927T015443415499Z-E08"
  ],
  "model_id": "homogeneous-flat-Poisson-fronts",
  "input_files": [
    {
      "path": "causal_control.csv",
      "sha256": "e3621fd5334f0910c8a3143722c3803aaa78aaa8bd2a021682200d1bad322100"
    }
  ],
  "source_ids": [],
  "axes_and_units": "Explicitly labeled in the exported figure; source columns retain unit suffixes",
  "transformations": [
    "Saved numerical samples; no invented curves",
    "No physical resampling"
  ],
  "uncertainty_type": "Numerical checks in run manifest; no posterior or biological interpretation",
  "validity_limits": [
    "Component model under declared assumptions; not observations"
  ],
  "caption": "Kinematic spacetime control, with c=1 and equal axis units. In the collinear light-speed case the photon and direct front arrive together. A stipulated slower front can be preceded by the photon.",
  "alt_text": "Nucleation at position zero reaches a source at one and observer at three. At speed c both arrivals are at time three; at speed c/2 the photon arrives at four and front at six.",
  "render_command": "uv run --offline --frozen python run.py render",
  "generator_sha256": "ff4837be5102588b6614aeb2b7880b10c0a0c20a155e2eb7b409014a47a3de01",
  "output_sha256": {
    "svg": "e0bec7bd1e442436745d798b00c535cb13301a8502fa353505c2598523294ff2",
    "png": "4e129285b3a6032b7810e84fa92e02f44a3a5a66b57666a1ac683c7090960d53"
  }
}