{
 "schema": "nephos.method.v1",
 "slug": "constable-cloud-studies-1821-22",
 "title": "Constable: two cloud studies, two kinds of evidence",
 "urls": [
  "/studies/constable-cloud-studies-1821-22"
 ],
 "written": {
  "summary": "One sketch has an inscribed morning; the other has a two-year catalogue interval. Each painting has its own study and limits.",
  "items": [
   {
    "quote": "Hampstead, Sepr 11, 1821. 10 to 11.",
    "source": "Constable’s inscription, transcribed by the National Gallery of Australia, 2006.",
    "url": "https://digital.nga.gov.au/archive/exhibition/constable/detail.cfm%3Firn=143229&bioartistirn=18283&mnuid=2&galid=7.html"
   },
   {
    "quote": "This oil sketch is not visibly annotated",
    "source": "Philip Conisbee (2000), National Gallery of Art object record, 1998.20.1.",
    "url": "https://www.nga.gov/artworks/104243-cloud-study-stormy-sunset"
   }
  ]
 },
 "records": [
  {
   "name": "Howard’s daily register",
   "detail": "Used to test the dated inscription on Tree at Right.",
   "url": "https://archive.org/download/in.ernet.dli.2015.48048/page/n66_w2000.jpg"
  },
  {
   "name": "Met Office HadCET",
   "detail": "Daily regional context for the inscribed morning; complete monthly context for the undated sunset.",
   "url": "https://www.metoffice.gov.uk/hadobs/hadcet/"
  }
 ],
 "gaps": [
  "Neither record measures the individual clouds painted at Constable’s position."
 ],
 "tests": [
  {
   "claim": "Tree at Right",
   "result": "The fine, cloudy description finds support in Howard, while exact wind and sultriness remain qualified."
  },
  {
   "claim": "Stormy Sunset",
   "result": "The catalogue’s storm cannot be assigned a day; regional temperature does not authenticate it."
  }
 ],
 "finding": "The difference in dating evidence controls what each comparison can say.",
 "verdicts": [
  {
   "claim": "Tree at Right: broad weather description",
   "verdict": "Partially agrees",
   "reason": "The daily comparison has both support and limits."
  },
  {
   "claim": "Stormy Sunset: a datable storm",
   "verdict": "Unknown",
   "reason": "The surviving documentation supplies no day."
  }
 ],
 "limits": [
  "Use the separate painting pages for the records, source receipts and the alternative metadata-date comparison."
 ]
}