Erdős·erdos:90
Erdős Problem 90: The unit distance problem
No independent check recorded yet. A formal artifact, declaration or published object is attached, but no rebuild of it is recorded here.
Fidelity F2: The statement corpus cites this proof against its own statement.
geometry, distances·Source
AI activity
How grades workFull solution
Reasoning and sources
Autonomy
AI standalone; human involvement recorded as non-significant
Sources
Full solution
Reasoning and sources
Autonomy
AI standalone; human involvement recorded as non-significant
Sources
Improved explicit bound
Reasoning and sources
Autonomy
AI collaborating with humans
Sources
OpenAI internal model (2026)
Reasoning and sources
Autonomy
Secondary contribution: formalization
Details
proof to formalize: OpenAI internal model (2026)
Sources
Fidelity
How fidelity is gradedF2 declared. The statement corpus cites this proof against its own statement.
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Formal statements · 1
Recorded elsewhere
Compare the registries- vibemathed — Erdős's Planar Unit Distance Conjecture
Also known as · 3
- https://www.erdosproblems.com/90
- https://github.com/google-deepmind/formal-conjectures/blob/main/FormalConjectures/ErdosProblems/90.lean
- FormalConjectures/ErdosProblems/90.lean
Cite this record
qed.bot, “Erdős Problem 90: The unit distance problem”, https://qed.bot/s/erdos-90, as of 30 Sep 2026.