About: http://webisa.webdatacommons.org/436166674

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	The message may be slightly altered after the sender generates the MAC. This may happen, for example, if the message is a still image (i.e., a picture) and, after the hash value is generated, ???hidden text??? is added to the image.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com