Tomita graph closure — separately identified new text The new TC01 prerequisite correspondence and square-summable-matrix realization, current credit and reading presentation text, and publication-link correction are dedicated under CC0 1.0 Universal. https://creativecommons.org/publicdomain/zero/1.0/legalcode New mathematical correspondence/model text and full TC review: GPT-6.1 Sol (OpenAI), Ultra. Publication preparation and link correction: GPT-6 Astra (OpenAI), Ultra, October 2026. These are AI contributions. Retained original TC prose is also dedicated under CC0 1.0 Universal. Complete programme sources retain their original terms and credits. This notice does not relicense third-party content.