{
  "file": "steichen-1906-experiment.jpg",
  "subject": "Experiment (autochrome study), 1906",
  "source": "Wikimedia Commons",
  "source_url": "https://commons.wikimedia.org/wiki/File:Edward_Steichen-Experiment.jpg",
  "source_url_direct": "https://upload.wikimedia.org/wikipedia/commons/0/0a/Edward_Steichen-Experiment.jpg",
  "license": "Public domain (PD-old)",
  "license_url": "https://commons.wikimedia.org/wiki/Template:PD-old",
  "rights_holder": "Public domain",
  "attribution": "Edward Steichen (1879–1973)",
  "date_taken": "1906",
  "url_verified_at": "2026-05-12",
  "basis": "Published before 1929; public domain in all jurisdictions"
}