Header defines the metadata of the body.

Schema ID



UUIDuuidstringtrueUnique UUIDv1 identifier for the envelope.
Digestdigdsig.DigesttrueDigest of the canonical JSON body.
Stampsstampsarray of head.StampSeals of approval from other organisations that can only be added to non-draft envelopes.
Tagstagsarray of stringSet of labels that describe but have no influence on the data.
Metametacbc.MetaAdditional semi-structured information about this envelope.
NotesnotesstringAny information that may be relevant to other humans about this envelope
DraftdraftbooleanWhen true, implies that this document should not be considered final. Digital signatures are optional.