YouTube can add an AI label you cannot remove: C2PA 2.1 and Sume jobs

What YouTube says

YouTube's page on "How this content was made" disclosures (read 2026-10-09) describes a "Made with AI" disclosure for content that has been meaningfully altered or synthetically generated, and says it appears in three scenarios. A creator reports AI use in YouTube Studio; YouTube's own AI tools apply the label automatically; or the video carries valid C2PA data (Content Credentials 2.1 or higher) indicating AI generation. If the creator did not disclose, YouTube may proactively apply a label, and that label cannot be removed.

What Sume's docs do and do not say

The Sume docs for video generation and for trim, filter and Timeline do not describe writing or preserving Content Credentials in the delivered MP4. So you cannot rely on a Sume export to carry or to avoid a C2PA signal; check the file you deliver with a C2PA reader if that matters for your upload, and do not tell viewers the file is credential-free unless you have checked.

Sume does tell you what happened to each job. Jobs have ids, statuses and results, which is the record you need if a label dispute comes up.

A small record to keep per clip

Write down these four things when you generate or edit a clip: the job id, the model id you requested, the date, and whether you turned the YouTube disclosure on. It takes one line in a spreadsheet and answers the question YouTube's policy puts to you after the fact.

• Job id from the submit response (the docs say the request id is the job id for trim and Timeline).
• Requested model id from GET /v1/videos/models.
• The final delivered file name and its upload date.
• Whether you ticked the AI disclosure in YouTube Studio.

Penalties

The page says creators who consistently choose not to disclose can face manual labels, removal of content, or suspension from the YouTube Partner Program. A single missed toggle is not described as grounds for suspension, but a pattern is. If you publish many Shorts from generated clips, tick the box once per upload as part of your template instead of deciding case by case.

Where this fits with trims and filters

A trim or filter in Sume produces a new MP4, never the same file. The docs for both say the source is unchanged and the output is a new artifact. That is useful for audit, because the generated original stays on record, but it also means any provenance data attached to the original file is not something the docs promise to carry into the new one. If Content Credentials matter to your channel, test with one clip and read the result with a C2PA reader before you publish a batch.

The YouTube page is the authority on what triggers an automatic label. This post only covers what Sume documents; it does not predict how YouTube's detection will treat any specific file.