{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:RG6R3YPX6SZ3RGDQRUDJTJ6KV4","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":"291fca8e38a80609906b920545268b439551817b8b5915f4ed9bac0a211a5553","cross_cats_sorted":["cs.MA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2022-12-14T20:15:19Z","title_canon_sha256":"6d630cb9ba8290ea54b4e9a4c9726d9eae09b97ace49a34182b0af7f4cd30a01"},"schema_version":"1.0","source":{"id":"2212.07489","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.07489","created_at":"2026-07-05T07:01:38Z"},{"alias_kind":"arxiv_version","alias_value":"2212.07489v2","created_at":"2026-07-05T07:01:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.07489","created_at":"2026-07-05T07:01:38Z"},{"alias_kind":"pith_short_12","alias_value":"RG6R3YPX6SZ3","created_at":"2026-07-05T07:01:38Z"},{"alias_kind":"pith_short_16","alias_value":"RG6R3YPX6SZ3RGDQ","created_at":"2026-07-05T07:01:38Z"},{"alias_kind":"pith_short_8","alias_value":"RG6R3YPX","created_at":"2026-07-05T07:01:38Z"}],"graph_snapshots":[{"event_id":"sha256:da89986824056973da03c5b9b980e3a453a732f9944fa779ad92e5bf3528ae2e","target":"graph","created_at":"2026-07-05T07:01:38Z","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/2212.07489/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The availability of challenging benchmarks has played a key role in the recent progress of machine learning. In cooperative multi-agent reinforcement learning, the StarCraft Multi-Agent Challenge (SMAC) has become a popular testbed for centralised training with decentralised execution. However, after years of sustained improvement on SMAC, algorithms now achieve near-perfect performance. In this work, we conduct new analysis demonstrating that SMAC lacks the stochasticity and partial observability to require complex *closed-loop* policies. In particular, we show that an *open-loop* policy cond","authors_text":"Anuj Mahajan, Benjamin Ellis, Jakob N. Foerster, Jonathan Cook, Mikayel Samvelyan, Mingfei Sun, Shimon Whiteson, Skander Moalla","cross_cats":["cs.MA"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2022-12-14T20:15:19Z","title":"SMACv2: An Improved Benchmark for Cooperative Multi-Agent Reinforcement Learning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.07489","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":"sha256:803627902a007da23486278041f4a8f409199510642a0ddc985168b8a885f588","target":"record","created_at":"2026-07-05T07:01:38Z","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":"291fca8e38a80609906b920545268b439551817b8b5915f4ed9bac0a211a5553","cross_cats_sorted":["cs.MA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2022-12-14T20:15:19Z","title_canon_sha256":"6d630cb9ba8290ea54b4e9a4c9726d9eae09b97ace49a34182b0af7f4cd30a01"},"schema_version":"1.0","source":{"id":"2212.07489","kind":"arxiv","version":2}},"canonical_sha256":"89bd1de1f7f4b3b898708d0699a7caaf146c24b42586cff128df8918c18b5f25","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"89bd1de1f7f4b3b898708d0699a7caaf146c24b42586cff128df8918c18b5f25","first_computed_at":"2026-07-05T07:01:38.404838Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:01:38.404838Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XC/XtF46rGac7v91kOlwUajkIw15DqZiZP7qTncuRdBTss9MMp7UmbHQhDaNXd/yv8zrivH2QklEEv1Ha0BwBw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:01:38.405330Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.07489","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:803627902a007da23486278041f4a8f409199510642a0ddc985168b8a885f588","sha256:da89986824056973da03c5b9b980e3a453a732f9944fa779ad92e5bf3528ae2e"],"state_sha256":"998d92de4512605ebbbfd67216b86107d8a0e9de6d1017378e50aed81d06f7c4"}