{
  "schema_version": 1,
  "id": "evt-2025-goedel-prover-v2",
  "slug": "goedel-prover-v2-self-correction",
  "title": {
    "en": "Goedel-Prover-V2 scales open theorem proving with self-correction",
    "zh-CN": "Goedel-Prover-V2 通过自我纠错扩展开放定理证明"
  },
  "dates": {
    "event": "2025-08-05",
    "first_public_claim": "2025-08-05",
    "paper_release": "2025-08-05",
    "artifact_release": null,
    "independently_verified": null,
    "added_to_chronicle": "2026-09-10",
    "last_updated": "2026-09-11"
  },
  "event_types": [
    "proof",
    "system"
  ],
  "significance": {
    "tier": "H2",
    "rationale": {
      "en": "Goedel-Prover-V2 showed that scaffolded synthetic data and Lean-guided self-correction could deliver strong open theorem-proving performance with much smaller models.",
      "zh-CN": "Goedel-Prover-V2 展示了分阶段合成数据与 Lean 引导自我纠错能让较小开放模型达到很强的形式证明性能。"
    }
  },
  "mathematical_novelty": {
    "type": "benchmark_result"
  },
  "interfaces": [
    "formal",
    "symbolic"
  ],
  "claim": {
    "en": "Goedel-Prover-V2-32B reported 90.4% miniF2F in self-correction mode and 86 solved PutnamBench problems under its reported evaluation.",
    "zh-CN": "Goedel-Prover-V2-32B 报告在自我纠错模式下 miniF2F 达到 90.4%，并在其评测设置中解出 86 道 PutnamBench。"
  },
  "summary": {
    "en": "The system uses scaffolded data synthesis, verifier-guided iterative repair and model averaging.",
    "zh-CN": "系统采用脚手架式数据合成、验证器引导的迭代修复与模型平均。"
  },
  "why_it_matters": {
    "en": "It strengthened the case for compact open provers that spend computation on correction rather than only increasing parameter count.",
    "zh-CN": "它强化了“小型开放证明器通过测试时纠错而非只增大参数规模获得能力”的路线。"
  },
  "ai_role": {
    "level": "ai_primary_human_verified",
    "description": {
      "en": "The model generates Lean proofs and iteratively repairs them using compiler feedback.",
      "zh-CN": "模型生成 Lean 证明并根据编译器反馈迭代修复。"
    }
  },
  "human_contribution": {
    "description": {
      "en": "Researchers designed staged synthesis, self-correction and model-merging procedures.",
      "zh-CN": "研究者设计分阶段数据合成、自我纠错与模型合并流程。"
    }
  },
  "systems": [
    "goedel-prover-v2",
    "lean"
  ],
  "organizations": [
    "princeton-university",
    "nvidia"
  ],
  "people": [],
  "problems": [
    "minif2f",
    "putnambench"
  ],
  "methods": [
    "self-correction",
    "synthetic-data",
    "formal-proof"
  ],
  "verification": {
    "evidence_level": "E3",
    "status": "paper_released",
    "formal_assurance": "machine_checked",
    "history": [
      {
        "date": "2025-08-05",
        "status": "paper_released",
        "evidence_level": "E2",
        "note": {
          "en": "The Chronicle records this event from the cited primary or official source; the status does not imply independent Chronicle verification.",
          "zh-CN": "Chronicle 依据所引 primary / official source 记录该事件；该状态不表示 Chronicle 已完成独立验证。"
        }
      },
      {
        "date": "2026-09-11",
        "status": "paper_released",
        "evidence_level": "E3",
        "note": {
          "en": "This corpus refresh added a directly inspectable public artifact maintained by the authors or releasing organization. E3 records artifact-level inspectability and does not imply independent verification of the underlying scientific or mathematical claim.",
          "zh-CN": "本轮 corpus 刷新增补了由作者或发布机构维护、可直接检查的公开产物。E3 表示证据已达到可检查 artifact 层级，并不等同于底层科学或数学主张已获得独立验证。"
        }
      }
    ]
  },
  "sources": [
    {
      "id": "arxiv-goedel-prover-v2-2508.03613",
      "tier": "S1",
      "type": "paper",
      "title": "Goedel-Prover-V2: Scaling Formal Theorem Proving with Scaffolded Data Synthesis and Self-Correction",
      "url": "https://arxiv.org/abs/2508.03613",
      "primary": true,
      "published_date": "2025-08-05",
      "accessed_at": "2026-09-10"
    },
    {
      "id": "github-goedel-prover-v2",
      "tier": "S1",
      "type": "repository",
      "title": "Goedel-Prover-V2 model and theorem-proving repository",
      "url": "https://github.com/Goedel-LM/Goedel-Prover-V2",
      "primary": true,
      "published_date": null,
      "accessed_at": "2026-09-11"
    }
  ],
  "artifacts": [
    {
      "id": "goedel-prover-v2-repository",
      "kind": "code",
      "title": "Goedel-Prover-V2 model and evaluation artifacts",
      "url": "https://github.com/Goedel-LM/Goedel-Prover-V2"
    }
  ],
  "relationships": {
    "predecessors": [
      "evt-2025-deepseek-prover-v2",
      "evt-2024-lean-workbook"
    ],
    "successors": [],
    "related": []
  },
  "timeline": {
    "featured": true,
    "significance": "primary"
  },
  "tags": [
    "lean",
    "open-model",
    "self-correction",
    "formal-proof"
  ],
  "editorial": {
    "created_at": "2026-09-10",
    "last_reviewed": "2026-09-11",
    "reviewers": [
      "Charlie-Wang-03"
    ]
  },
  "corrections": []
}