{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/biorxiv/main/json-schema/published-preprint.json",
  "title": "PublishedPreprintMetadata",
  "description": "Metadata for a preprint that has been published in a peer-reviewed journal",
  "type": "object",
  "properties": {
    "biorxiv_doi": {
      "type": "string",
      "description": "DOI of the bioRxiv or medRxiv preprint",
      "pattern": "^10\\.\\d{4,}/.*$",
      "example": "10.1101/339747"
    },
    "published_doi": {
      "type": "string",
      "description": "DOI of the corresponding published journal article",
      "pattern": "^10\\.\\d{4,}/.*$",
      "example": "10.1016/j.cell.2021.05.001"
    },
    "preprint_title": {
      "type": "string",
      "description": "Title of the preprint"
    },
    "preprint_authors": {
      "type": "string",
      "description": "Semicolon-separated list of authors"
    },
    "preprint_author_corresponding": {
      "type": "string",
      "description": "Corresponding author name"
    },
    "preprint_author_corresponding_institution": {
      "type": "string",
      "description": "Institution of the corresponding author"
    },
    "preprint_category": {
      "type": "string",
      "description": "Subject category of the preprint"
    },
    "preprint_date": {
      "type": "string",
      "format": "date",
      "description": "Date the preprint was posted"
    },
    "preprint_doi": {
      "type": "string",
      "description": "DOI of the preprint (same as biorxiv_doi)",
      "pattern": "^10\\.\\d{4,}/.*$"
    },
    "published_date": {
      "type": "string",
      "format": "date",
      "description": "Date the article was published in a journal"
    },
    "published_citation_count": {
      "type": "integer",
      "description": "Number of citations received by the published article",
      "minimum": 0
    },
    "preprint_platform": {
      "type": "string",
      "description": "Platform where the preprint was posted",
      "enum": ["bioRxiv", "medRxiv"]
    }
  },
  "required": ["biorxiv_doi", "published_doi", "preprint_title", "preprint_date", "published_date"]
}