{
  "schema_version": "1.0.0",
  "source": "vibemath",
  "problem_id": "vibemathed:erdos-793",
  "title": "Erdős Problem #793",
  "canonical_statement": "Let $F(n)$ be the largest $A\\subseteq\\{1,\\dots,n\\}$ with $a\\nmid bc$ for distinct $a,b,c\\in A$. Is $F(n)=\\pi(n)+(C+o(1))\\,n^{2/3}(\\log n)^{-2}$ for some constant $C$?",
  "plain_summary": "VibeMathed reports this item as resolved. VibeMath preserves that report as a source assertion and has not independently authored a plain-language mathematical explanation.",
  "current_status": "resolved",
  "solution_events": [
    {
      "id": "vibemathed:erdos-793:event",
      "problem_id": "vibemathed:erdos-793",
      "type": "proved",
      "status": "resolved",
      "occurred_at": "2026-07-01T00:00:00.000Z",
      "title": "erdosproblems.com",
      "summary": "VibeMathed reports this item as resolved. VibeMath preserves that report as a source assertion and has not independently authored a plain-language mathematical explanation.",
      "ai_contribution": "ai_discovered",
      "attempt_ids": [
        "vibemathed:erdos-793:attempt"
      ],
      "method_family_ids": [
        "vibemathed:erdos-793:method"
      ],
      "source_assertion_ids": [
        "vibemathed:erdos-793:assertion"
      ]
    }
  ],
  "attempts": [
    {
      "id": "vibemathed:erdos-793:attempt",
      "problem_id": "vibemathed:erdos-793",
      "model": "GPT-5.6 Sol",
      "provider": "OpenAI",
      "attempted_at": "2026-07-01T00:00:00.000Z",
      "human_collaborators": [
        "Przemek Chojecki"
      ],
      "exposure": "unknown",
      "prompt_public": null,
      "outcome": "GPT-5.6 Sol (prompted by Przemek Chojecki) proved $F(n)=\\pi(n)+(\\tfrac{27}{2}+o(1))\\frac{n^{2/3}}{(\\log n)^2}$, a refined form of Erdős's 1938 argument.",
      "failed_routes": [],
      "artifacts": [],
      "sources": [
        {
          "label": "erdosproblems.com",
          "url": "https://www.erdosproblems.com/793",
          "kind": "primary-mathematical-source",
          "license": null
        },
        {
          "label": "VibeMathed: Erdős Problem #793",
          "url": "https://vibemathed.com/problem/erdos-793",
          "kind": "source-assertion",
          "license": "https://vibemathed.com/data-license"
        }
      ],
      "cost_usd": null,
      "independence": "unknown"
    }
  ],
  "verifications": [
    {
      "id": "vibemathed:erdos-793:verification",
      "problem_id": "vibemathed:erdos-793",
      "solution_event_id": "vibemathed:erdos-793:event",
      "level": "lean_verified_statement_audited",
      "mathematical_correctness": "supported",
      "statement_fidelity": "audited",
      "peer_review": "none",
      "verifier": "VibeMathed (source-reported label)",
      "verified_at": null,
      "note": "Marked proved (Lean) on erdosproblems.com via a proof claim by GPT-5.6 Sol.",
      "sources": [
        {
          "label": "VibeMathed: Erdős Problem #793",
          "url": "https://vibemathed.com/problem/erdos-793",
          "kind": "source-assertion",
          "license": "https://vibemathed.com/data-license"
        },
        {
          "label": "erdosproblems.com",
          "url": "https://www.erdosproblems.com/793",
          "kind": "primary-mathematical-source",
          "license": null
        }
      ]
    }
  ],
  "sources": [
    {
      "label": "erdosproblems.com",
      "url": "https://www.erdosproblems.com/793",
      "kind": "primary-mathematical-source",
      "license": null
    },
    {
      "label": "VibeMathed: Erdős Problem #793",
      "url": "https://vibemathed.com/problem/erdos-793",
      "kind": "source-assertion",
      "license": "https://vibemathed.com/data-license"
    }
  ],
  "recommended_mode": "replay",
  "recommended_exposure": "method_aware",
  "opportunity_signals": [
    {
      "id": "vibemathed:erdos-793:signal:replay_ready",
      "problem_id": "vibemathed:erdos-793",
      "kind": "replay_ready",
      "reason": "A public source and a non-unreviewed verification label support replay triage.",
      "generated_at": "2026-09-13T16:28:40.178Z"
    }
  ],
  "uncertainties": [
    "VibeMath has not independently verified the mathematical claim.",
    "AI-attempt independence and training-data exposure are unknown unless explicitly documented.",
    "VibeMath has not independently audited the mathematical statement, proof, or novelty claim."
  ],
  "generated_at": "2026-09-13T16:28:40.178Z"
}