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catastrophic.io
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/web-annotation

well-formed W3C Web Annotation — id present, body is a TextualBody object, motivation is from the standard vocabulary, target is a URI string. Content-Type: application/ld+json with anno.jsonld profile.

chaos chaos.catastrophic.io

GET /web-annotation

Returns W3C Web Annotation objects with spec violations. Default omits the required `id` field. Use ?mode= to isolate other violations: wrong body type, invalid motivation vocabulary, or inconsistent target shape.

modes: id-missing body-as-string motivation-invalid target-shape-variance

full chaos docs →

control not.catastrophic.io

GET /web-annotation

well-formed W3C Web Annotation — id present, body is a TextualBody object, motivation is from the standard vocabulary, target is a URI string. Content-Type: application/ld+json with anno.jsonld profile.

full control docs →

Build against not.catastrophic.io/web-annotation, then flip the hostname to chaos.catastrophic.io to exercise the chaos.