{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:FTUCHBITMGHQAIBOZ24QM7DGNZ","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":"ff0f76a7376adf76a228aa0608d7f862b34169c9c58a1890d5b7d102fd7b7a2e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2016-08-04T12:28:58Z","title_canon_sha256":"aecc7f8cb21e39d0e144a06824f2abd75662fd6cb83806f5ca9cc2f02ff98c6c"},"schema_version":"1.0","source":{"id":"1608.01510","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.01510","created_at":"2026-05-18T00:43:45Z"},{"alias_kind":"arxiv_version","alias_value":"1608.01510v2","created_at":"2026-05-18T00:43:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.01510","created_at":"2026-05-18T00:43:45Z"},{"alias_kind":"pith_short_12","alias_value":"FTUCHBITMGHQ","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"FTUCHBITMGHQAIBO","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"FTUCHBIT","created_at":"2026-05-18T12:30:15Z"}],"graph_snapshots":[{"event_id":"sha256:6838cbc4ecef63ec7cc99fa16264f8950ad86210aefc972a85cf69c50b6e53ed","target":"graph","created_at":"2026-05-18T00:43:45Z","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"},"paper":{"abstract_excerpt":"Extensive-form games with imperfect recall are an important game-theoretic model that allows a compact representation of strategies in dynamic strategic interactions. Practical use of imperfect recall games is limited due to negative theoretical results: a Nash equilibrium does not have to exist, computing maxmin strategies is NP-hard, and they may require irrational numbers. We present the first algorithm for approximating maxmin strategies in two-player zero-sum imperfect recall games without absentmindedness. We modify the well-known sequence-form linear program to model strategies in imper","authors_text":"Branislav Bosansky, Jiri Cermak, Karel Horak, Michal Pechoucek","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2016-08-04T12:28:58Z","title":"Computing Maxmin Strategies in Extensive-Form Zero-Sum Games with Imperfect Recall"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.01510","kind":"arxiv","version":2},"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:ebeda0ba29b26b344a058ebed4361fcc9d2750903c7173a5f08767e5295b883c","target":"record","created_at":"2026-05-18T00:43:45Z","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":"ff0f76a7376adf76a228aa0608d7f862b34169c9c58a1890d5b7d102fd7b7a2e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2016-08-04T12:28:58Z","title_canon_sha256":"aecc7f8cb21e39d0e144a06824f2abd75662fd6cb83806f5ca9cc2f02ff98c6c"},"schema_version":"1.0","source":{"id":"1608.01510","kind":"arxiv","version":2}},"canonical_sha256":"2ce8238513618f00202eceb9067c666e41c11b5b27af887a8558d604b834fe6d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2ce8238513618f00202eceb9067c666e41c11b5b27af887a8558d604b834fe6d","first_computed_at":"2026-05-18T00:43:45.358870Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:43:45.358870Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nbfbuCf1VBZ6b2w/QvE8asQVTHI3FnNG5B3Yh2gjUaQZBCcVkp34/Rl7Wo/TKF18XXKqE7EStt6EypTJYrXrAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:43:45.359523Z","signed_message":"canonical_sha256_bytes"},"source_id":"1608.01510","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ebeda0ba29b26b344a058ebed4361fcc9d2750903c7173a5f08767e5295b883c","sha256:6838cbc4ecef63ec7cc99fa16264f8950ad86210aefc972a85cf69c50b6e53ed"],"state_sha256":"1191b3037a30a208874cb7944a292a8d5df2b46c55e38244089ca2c25672d011"}