The media and institutional sector faces an unprecedented trust crisis fueled by manipulated content and deepfakes. Journalists, newsrooms and public bodies need tools to certify the authenticity of digital sources. TrueScreen provides a certification platform that captures photos, videos and documents with digital signatures, certified timestamps and immutable metadata, creating evidence with full legal validity under the eIDAS regulation. For newsrooms, public institutions and international organizations this means certifying content at the source, protecting its integrity from collection to publication and countering disinformation with verifiable evidence.