About: http://webisa.webdatacommons.org/5424323

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	Not an answer to your explicit question, but it is possible that char is an unsigned type, then uint8_t could be typedef'ed to char instead of unsigned char.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com