The document is a student's presentation about an artifact from their era - a mixed media sketchbook containing sketches, printed film posters, and written thoughts. The student chose this sketchbook to represent how media and knowledge from the past can influence modern philosophies. Future archaeologists would be able to examine the variety of media in the sketchbook to learn about the student's time, including topics like equality, politics, and nostalgia for the past. The sketchbook encapsulates history, media, culture, and data, making it a fitting artifact to represent the student and the year 2019.