NoteAttachmentMeta

object type

sha256 = the mint-declared digest the presigned PUT itself enforced (byte custody).

Fields

Field	Type	Notes
`id`	ID `ID!`	The attachment id (the BLOBBOOK SK; minted at upload-mint).
`filename`	String `String!`	No further notes.
`declaredContentType`	String `String!`	The declared MIME — registry-validated against the filename's extension at mint.
`bytes`	Int `Int!`	The blob's byte size (declared at mint; HeadObject-verified at attach-confirm).
`sha256`	String `String!`	No further notes.
`key`	String `String!`	No further notes.