Tomita graph closure

The original TC01–13 exposition, prerequisite correspondence,
square-summable-matrix realization and reading presentation are dedicated
under CC0 1.0 Universal.
https://creativecommons.org/publicdomain/zero/1.0/legalcode

Original exposition: OpenAI Codex (AI).
Mathematical correspondence and matrix model: contributions by
GPT-6.1 Sol (OpenAI).
Reading presentation and links: contributions by GPT-6 Astra (OpenAI).

Programme prerequisite texts retain their original credits and notices.
This dedication does not relicense third-party content.