{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:AXM3Z5VQ4GSXUGKF4PYAE72ULC","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"09101f5f879db5260b1515a46d1edeb12dc0aa6500a7132c0a6f146648791ffb","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cs.LG","submitted_at":"2025-08-05T16:28:22Z","title_canon_sha256":"b5e7c87057a3afe7c2ed58cc68650ab28aef379d698222b710ec7bb4b9b69735"},"schema_version":"1.0","source":{"id":"2508.03613","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.03613","created_at":"2026-05-21T06:47:44Z"},{"alias_kind":"arxiv_version","alias_value":"2508.03613v1","created_at":"2026-05-21T06:47:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.03613","created_at":"2026-05-21T06:47:44Z"},{"alias_kind":"pith_short_12","alias_value":"AXM3Z5VQ4GSX","created_at":"2026-05-21T06:47:44Z"},{"alias_kind":"pith_short_16","alias_value":"AXM3Z5VQ4GSXUGKF","created_at":"2026-05-21T06:47:44Z"},{"alias_kind":"pith_short_8","alias_value":"AXM3Z5VQ","created_at":"2026-05-21T06:47:44Z"}],"graph_snapshots":[{"event_id":"sha256:ce9b4c6e6130cd5a8bcbcf70c54fbe5daa4bf420c7ebe313c87bd7aab66bacc4","target":"graph","created_at":"2026-05-21T06:47:44Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2508.03613/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We introduce Goedel-Prover-V2, a series of open-source language models that set a new state-of-the-art in automated theorem proving. Built on the standard expert iteration and reinforcement learning pipeline, our approach incorporates three key innovations: (1) Scaffolded data synthesis: We generate synthetic tasks of increasing difficulty to train the model to master increasingly complex theorems; (2) Verifier-guided self-correction: We enable the model to iteratively revise its proofs by leveraging feedback from the Lean compiler; (3) Model averaging: We merge model checkpoints to mitigate t","authors_text":"Bohan Lyu, Chi Jin, Danqi Chen, David Acuna, Haoyu Zhao, Hongzhou Lin, Jiawei Ge, Jiayun Wu, Jingruo Sun, Jiri Gesi, Jui-Hui Chung, Kaiyu Yang, Lai Jiang, Sanjeev Arora, Shange Tang, Ximing Lu, Yejin Choi, Yihan Geng, Yong Lin, Ziran Yang","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cs.LG","submitted_at":"2025-08-05T16:28:22Z","title":"Goedel-Prover-V2: Scaling Formal Theorem Proving with Scaffolded Data Synthesis and Self-Correction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.03613","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:a1de174fc76b86f16a28dd302522f69fc9c9b2012dbe2402b24e3a319e13a1fb","target":"record","created_at":"2026-05-21T06:47:44Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"09101f5f879db5260b1515a46d1edeb12dc0aa6500a7132c0a6f146648791ffb","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cs.LG","submitted_at":"2025-08-05T16:28:22Z","title_canon_sha256":"b5e7c87057a3afe7c2ed58cc68650ab28aef379d698222b710ec7bb4b9b69735"},"schema_version":"1.0","source":{"id":"2508.03613","kind":"arxiv","version":1}},"canonical_sha256":"05d9bcf6b0e1a57a1945e3f0027f5458a157336e6bd2f7204b49ed815a25ce96","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"05d9bcf6b0e1a57a1945e3f0027f5458a157336e6bd2f7204b49ed815a25ce96","first_computed_at":"2026-05-21T06:47:44.711218Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-21T06:47:44.711218Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TuHRup6keib5kXs5Lvs3o1WMoIpWkK9hO/CiZKbpga+jW4Cr8w0Q+pSFKnKoQXNa+avT3HHF38x6RNO5w1w7AA==","signature_status":"signed_v1","signed_at":"2026-05-21T06:47:44.712882Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.03613","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a1de174fc76b86f16a28dd302522f69fc9c9b2012dbe2402b24e3a319e13a1fb","sha256:ce9b4c6e6130cd5a8bcbcf70c54fbe5daa4bf420c7ebe313c87bd7aab66bacc4"],"state_sha256":"158b754af8561ddb09849501a844d7a2ca6555bb1ec976c80076ec95a4fd26e2"}