alternate mediatypes
text/turtle
text/tab-separated-values
application/vnd.api+json
text/csv
application/ld+json
application/json
card-blending ON
disable card-blending
urn:checksum:sha-256::66d4e7b419884d7ca49c2e0ba7d348190a725002e3a8b01fe806808cd389d126