What was already known
An upper bound and earlier construction families were known.
What changed and why it matters
Extends the reported range of matching constructions.
The AI contribution
Agents found two families; a third required human expert synthesis.
Limitations
Does not cover every n or resolve R(5,5). Preprint; no independent recheck recorded here.
Verification evidence
Evidence labels show what supports the claim. Importance rates its impact if correct.
Author claim
Version 2, §6.13.
Accessible artifact / proof
Linked supporting research record; availability is not independent checking.
Correction and publication history
Historical seed, researched for the initial catalog. Initial alerting disabled.
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