A cryptographic map of Auroville, the City of Dawn (Tamil Nadu, India): the residential zone (red), the green belt (green) and the Gulf of Bengala (blue) are laid out by the bare machine using a hash encoding of the Auroville Charter. Auroville was born on 28 February 1968. Its founder, the Mother, created the Auroville Charter consisting of four main ideas which underpinned her vision for Auroville: