Core Viewpoint - The rapid development of artificial intelligence (AI) is reshaping information production and societal interactions, necessitating content identification to mitigate risks associated with unmarked AI-generated content [1][5]. Group 1: Obligations of AI Service Providers - AI service providers have a duty to identify content to control and prevent specific dangers associated with AI-generated information [2]. - As the core entities in technology development, AI service providers influence the nature and societal impact of generated content through their algorithms and data training [2][3]. - The requirement for content identification transforms technical risks into traceable legal responsibilities, addressing questions of "what is generated," "who generated it," and "where it was generated" [3]. Group 2: Social Welfare Maximization - The governance of AI should aim to maximize social welfare while balancing the interests of individual rights and public benefits [4]. - Implementing content identification obligations is intended to achieve the greatest happiness for the majority, ensuring minimal restrictions on individual pursuits of happiness [4][5]. Group 3: Virtue Ethics - Content identification reflects the virtues of honesty and creditworthiness, guiding companies to cultivate responsible and prudent behaviors [6][8]. - The requirement for AI-generated content to be marked encourages companies to self-regulate according to virtue standards, maintaining the authenticity and reliability of information ecosystems [9].