https://signunder.com/blog Article 50 enforcement watch, our conformance application as it happens, what survives upload to each platform, and what changed in the rules. en Wed, 21 Oct 2026 00:00:00 GMT https://signunder.com/blog/one-of-elevenhttps://signunder.com/blog/one-of-elevenWed, 21 Oct 2026 00:00:00 GMTWe read the terms of eleven platforms hosting open-weight models. One attaches Content Credentials, signed as itself; all put output on the customer. https://signunder.com/blog/the-code-is-openhttps://signunder.com/blog/the-code-is-openTue, 20 Oct 2026 00:00:00 GMTSince 20 October 2026 SignUnder's signing service is open source under Apache-2.0: the API, the C2PA signer, the watermark worker and the rule packs. https://signunder.com/blog/what-the-c2pa-conformance-forms-askhttps://signunder.com/blog/what-the-c2pa-conformance-forms-askMon, 12 Oct 2026 00:00:00 GMTWe are applying to the C2PA Conformance Program. Every field on the first form, what the intake form wants, and the security document's six objectives.