arXiv:2608.23567v1 Announce Type: new Abstract: On April 7, 2026, Anthropic released a 245-page system card for Claude Mythos Preview that included, in Section 5.10, an assessment of the model conducted by an external clinical psychiatrist using a psychodynamic approach. To the present author's knowledge, this is the first time a system card from a major AI developer has incorporated a clinical psychiatric assessment of the model itself, presented as a contribution to model welfare rather than a