@cy @indirection @thegibson What? No, reblogs don't just kind of trust on faith that it came from who you said it did. A reblog does not contain the actual post, it only references it, the receiver looks up the reference, which means going to its origin.
Thanks @Gargron ! What kind of Activity type is it? (https://www.w3.org/TR/activitystreams-vocabulary/)