What is claimed?
The paper claims a deterministic polynomial-time reduction from 3SAT to Unique Games for every fixed completeness and soundness error in (0,1/2), over an alphabet depending only on those errors.
Scientific scope
The reduction does not prove P!=NP. Earlier conditional approximation results and their authors retain their contribution credit; the conjecture and direct companion reductions are not all one new theorem. WRS inspected the selected opening statement and available scope note, not the full proof; independent formal replay was not run.
Evidence state
The manuscript reports a proof. WRS has not independently audited the complete argument or replayed the reported formalization. The grade and score here express conditional significance; they do not certify correctness. The provisional value enters the main reference rankings with an unverified label, but not achieved-science progress totals.
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