{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:F522F6GRDRHPLQHEW43TOG2VFQ","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":"15a26a5f32af0436d9d58a89ae20e843ee0332e02ab392bf32ee1fb4dc7d2fc4","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"math.OC","submitted_at":"2021-10-04T19:07:46Z","title_canon_sha256":"839ac9b434ef42c7a655ebb04df278285474ac2e9c4a84f9b64a22cfee084672"},"schema_version":"1.0","source":{"id":"2110.01669","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.01669","created_at":"2026-07-05T03:20:16Z"},{"alias_kind":"arxiv_version","alias_value":"2110.01669v1","created_at":"2026-07-05T03:20:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.01669","created_at":"2026-07-05T03:20:16Z"},{"alias_kind":"pith_short_12","alias_value":"F522F6GRDRHP","created_at":"2026-07-05T03:20:16Z"},{"alias_kind":"pith_short_16","alias_value":"F522F6GRDRHPLQHE","created_at":"2026-07-05T03:20:16Z"},{"alias_kind":"pith_short_8","alias_value":"F522F6GR","created_at":"2026-07-05T03:20:16Z"}],"graph_snapshots":[{"event_id":"sha256:d8463332c7432f1cb78bfe321d3e55048334ff0daf886c9f9bbba8495ae8aca0","target":"graph","created_at":"2026-07-05T03:20:16Z","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/2110.01669/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a decomposition approach for obtaining good feasible solutions for the security-constrained alternating-current optimal power flow (SCACOPF) problem at an industrial scale and under real-world time and computational limits. The approach aims at complementing the existing body of literature on bounding the problem via convex relaxations. It was designed for the participation in ARPA-E's Grid Optimization (GO) Competition Challenge 1. The challenge focused on a near-real-time version of the SCACOPF problem where a base case operating point is optimized taking into account possible sin","authors_text":"Cosmin G. Petra, Ignacio Aravena","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"math.OC","submitted_at":"2021-10-04T19:07:46Z","title":"Solving realistic security-constrained optimal power flow problems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.01669","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":"sha256:37587b535ca441cd1efcdb72d50d3d12b4f6775ac69ef762e0a3cd29cddc9c10","target":"record","created_at":"2026-07-05T03:20:16Z","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":"15a26a5f32af0436d9d58a89ae20e843ee0332e02ab392bf32ee1fb4dc7d2fc4","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"math.OC","submitted_at":"2021-10-04T19:07:46Z","title_canon_sha256":"839ac9b434ef42c7a655ebb04df278285474ac2e9c4a84f9b64a22cfee084672"},"schema_version":"1.0","source":{"id":"2110.01669","kind":"arxiv","version":1}},"canonical_sha256":"2f75a2f8d11c4ef5c0e4b737371b552c2b26c44dfe60499d3ae3c93f0c678380","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2f75a2f8d11c4ef5c0e4b737371b552c2b26c44dfe60499d3ae3c93f0c678380","first_computed_at":"2026-07-05T03:20:16.014162Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:20:16.014162Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/N1M9M9vAsr/E4i13nykHlJL1/cawgTlQpNeyJVwtrpbVwsbjWS0HwTaSy5kVshEGII7KbDzAKG86pZUcMVECQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:20:16.014567Z","signed_message":"canonical_sha256_bytes"},"source_id":"2110.01669","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:37587b535ca441cd1efcdb72d50d3d12b4f6775ac69ef762e0a3cd29cddc9c10","sha256:d8463332c7432f1cb78bfe321d3e55048334ff0daf886c9f9bbba8495ae8aca0"],"state_sha256":"897a765b16650a1a77ebf8e96afb63b80f89c7661a95590e23c8871650d1cacd"}