About: http://webisa.webdatacommons.org/152909330

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In the preferred embodiment, the blocks are defined to have a length, in terms of bits, equivalent to a Mersenne prime, such as 127, e.g. where N equals a prime number and has the form 2p -1, where p is itself a prime number.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com