{
 "id": "ipex",
 "entry": null,
 "name": "IPEX, the Intelligent Payload Experiment",
 "group": "ran",
 "class": "perception",
 "location": "Earth orbit",
 "operator": "NASA Jet Propulsion Laboratory, with California Polytechnic State University",
 "developer": "NASA Jet Propulsion Laboratory",
 "host": "IPEX, a CubeSat",
 "catalogue": {
  "number": 39471,
  "name": "CP8 (IPEX)",
  "launched": "2013-12-06",
  "decayed": null,
  "match": "by name, the reviewer's judgement"
 },
 "dates": {
  "launched": "2013-12-06",
  "ran": "from December 2013; operations completed in 2015",
  "reported": null,
  "ended": "2015"
 },
 "hardware": "not stated in what was read",
 "software": "Random decision forests learned on the ground, and visual salience software",
 "did": "Classified its own images on board and picked out the regions worth sending down.",
 "marks": [
  {
   "stage": "L",
   "evidence": 3,
   "basis": [
    "c3"
   ]
  },
  {
   "stage": "R",
   "evidence": 1,
   "basis": [
    "c1",
    "c2"
   ]
  }
 ],
 "claims": [
  {
   "id": "c1",
   "kind": "quote",
   "text": "IPEX used machine-learned random decision forests to classify images onboard (to downlink classification maps) and computer vision visual salience software to extract interesting regions for downlink in acquired imagery.",
   "speaker": "JPL Artificial Intelligence Group",
   "relation": "developer",
   "source": "jpl-ipex",
   "url": "https://ai.jpl.nasa.gov/public/projects/ipex/",
   "source_title": "IPEX (Intelligent Payload Experiment)",
   "publisher": "JPL Artificial Intelligence Group",
   "source_kind": "project-page",
   "published": "undated",
   "published_basis": "no date on the page",
   "accessed": "2026-10-04",
   "copy_route": "direct",
   "read": "in part: four sentences of 5,700 characters"
  },
  {
   "id": "c2",
   "kind": "quote",
   "text": "IPEX launched in December 2013 for a six month mission, achieved its success criteria in three months, and flew for 14 months completing operations in 2015.",
   "speaker": "JPL Artificial Intelligence Group",
   "relation": "developer",
   "source": "jpl-ipex",
   "url": "https://ai.jpl.nasa.gov/public/projects/ipex/",
   "source_title": "IPEX (Intelligent Payload Experiment)",
   "publisher": "JPL Artificial Intelligence Group",
   "source_kind": "project-page",
   "published": "undated",
   "published_basis": "no date on the page",
   "accessed": "2026-10-04",
   "copy_route": "direct",
   "read": "in part: four sentences of 5,700 characters"
  },
  {
   "id": "c3",
   "kind": "data",
   "fields": {
    "OBJECT_NAME": "CP8 (IPEX)",
    "LAUNCH_DATE": "2013-12-06"
   },
   "speaker": "CelesTrak satellite catalogue",
   "relation": "catalogue",
   "source": "celestrak-39471",
   "url": "https://celestrak.org/satcat/records.php?CATNR=39471&FORMAT=json",
   "source_title": "Satellite catalogue record 39471 (CP8 (IPEX))",
   "publisher": "CelesTrak",
   "source_kind": "catalogue",
   "published": "undated",
   "published_basis": "a live catalogue record; dated by when it was read",
   "accessed": "2026-10-04",
   "copy_route": "json",
   "read": "in full"
  }
 ],
 "conflicts": [],
 "notes": "The classifier was learned on the ground and run in orbit. The mission team's 2015 paper was opened but not read far enough to quote, so the run rests on the project page.",
 "changed": "Added on 4 October 2026, in the second round of reading.",
 "headline": "L3 R1"
}