Deleting is the same as PUT.

The ETag is required in an If-Match header.

DELETE

DELETE /annotation/w3c/my-container/foo-bar HTTP/1.1

Accept: application/ld+json; profile="http://www.w3.org/ns/anno.jsonld"

Content-Type: application/ld+json;

If-Match: 3b6f03d78812a166ce6b43e415b58e29

Host: localhost:8080

Connection: close

User-Agent: Paw/3.1.5 (Macintosh; OS X/10.13.4) GCDHTTPRequest

RETURNS

HTTP/1.1 204 

Date: Sun, 20 May 2018 20:03:22 GMT

Connection: close

With an HTTP 204 status.