{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://schema.humancellatlas.org/core/project/7.0.4/project_core",
  "description": "Information about the project.",
  "additionalProperties": false,
  "required": [
    "project_short_name",
    "project_title",
    "project_description"
  ],
  "title": "Project core",
  "name": "project_core",
  "type": "object",
  "properties": {
    "describedBy": {
      "description": "The URL reference to the schema.",
      "type": "string",
      "pattern": "^(http|https)://schema.(.*?)humancellatlas.org/core/project/(([0-9]{1,}.[0-9]{1,}.[0-9]{1,})|([a-zA-Z]*?))/project_core"
    },
    "schema_version": {
      "description": "The version number of the schema in major.minor.patch format.",
      "type": "string",
      "pattern": "^[0-9]{1,}.[0-9]{1,}.[0-9]{1,}$",
      "example": "4.6.1"
    },
    "project_short_name": {
      "description": "A short name for the project.",
      "type": "string",
      "example": "CoolOrganProject.",
      "user_friendly": "Project label",
      "guidelines": "Project label is a short label by which you refer to the project, should have no spaces, and should be fewer than 50 characters."
    },
    "project_title": {
      "description": "An official title for the project.",
      "type": "string",
      "example": "Study of single cells in the human body..",
      "user_friendly": "Project title",
      "guidelines": "Project title should be fewer than 30 words such as a title of a grant proposal or a publication."
    },
    "project_description": {
      "description": "A longer description of the project which includes research goals and experimental approach.",
      "type": "string",
      "user_friendly": "Project description",
      "guidelines": "Project description should be fewer than 300 words such as an abstract from a grant application or publication."
    }
  }
}