{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "$id": "https://schema.humancellatlas.org/core/file/5.2.0/file_core",
  "description": "A file entity contains information about a data file produced from any process.",
  "additionalProperties": false,
  "required": [
    "file_name",
    "file_format"
  ],
  "title": "file_core",
  "type": "object",
  "properties": {
    "describedBy": {
      "description": "The URL reference to the schema.",
      "type": "string",
      "pattern": "^(http|https)://schema.(dev.data.|)humancellatlas.org/core/file/[0-9]{1,}.[0-9]{1,}.[0-9]{1,}/file_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"
    },
    "file_name": {
      "description": "The filename of the data file.",
      "type": "string",
      "user_friendly": "File name"
    },
    "file_format": {
      "description": "The format of the data file.",
      "type": "string",
      "user_friendly": "File format"
    },
    "checksum": {
      "description": "MD5 checksum of the data file.",
      "type": "string",
      "user_friendly": "Checksum"
    }
  }
}