{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:KNV3AYWJM2SQX7XUXG7BAJNQQF","short_pith_number":"pith:KNV3AYWJ","canonical_record":{"source":{"id":"1802.08603","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-02-23T15:37:31Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"1e7ad726fd6ea656d5c859a10cd00084ff054034f0180c375e997a742e5c5466","abstract_canon_sha256":"14fa5f56cc7de954bb0a406a29b8871d0f22df9207a6653765c5227fbd46e6f0"},"schema_version":"1.0"},"canonical_sha256":"536bb062c966a50bfef4b9be1025b081766e5c646224599c24131088d60fc18d","source":{"kind":"arxiv","id":"1802.08603","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.08603","created_at":"2026-05-18T00:01:09Z"},{"alias_kind":"arxiv_version","alias_value":"1802.08603v2","created_at":"2026-05-18T00:01:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.08603","created_at":"2026-05-18T00:01:09Z"},{"alias_kind":"pith_short_12","alias_value":"KNV3AYWJM2SQ","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KNV3AYWJM2SQX7XU","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KNV3AYWJ","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:KNV3AYWJM2SQX7XUXG7BAJNQQF","target":"record","payload":{"canonical_record":{"source":{"id":"1802.08603","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-02-23T15:37:31Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"1e7ad726fd6ea656d5c859a10cd00084ff054034f0180c375e997a742e5c5466","abstract_canon_sha256":"14fa5f56cc7de954bb0a406a29b8871d0f22df9207a6653765c5227fbd46e6f0"},"schema_version":"1.0"},"canonical_sha256":"536bb062c966a50bfef4b9be1025b081766e5c646224599c24131088d60fc18d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:01:09.763968Z","signature_b64":"tNoBJNC6SVLhN9CK0Mu1i4dpfivrnlK5w3ofpr+FfBhOdl22pFv2RFtnhifcKgr69qYrLcChA38oYmkvJfRgDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"536bb062c966a50bfef4b9be1025b081766e5c646224599c24131088d60fc18d","last_reissued_at":"2026-05-18T00:01:09.763328Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:01:09.763328Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.08603","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:01:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BmHW06n1ZMw32j8DpJXCwS01ABaxNpsAJ/nF8LZ2R268/NmCUp+DBBzmjJ+ltvwfRinYKt8pbecqglYESc2cCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:26:44.711769Z"},"content_sha256":"6a684b222f613a0fecce1b467a3510e0fe229ea1266d9d176ad0abcf445c788d","schema_version":"1.0","event_id":"sha256:6a684b222f613a0fecce1b467a3510e0fe229ea1266d9d176ad0abcf445c788d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:KNV3AYWJM2SQX7XUXG7BAJNQQF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Towards Distributed OPF using ALADIN","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"cs.DC","authors_text":"Alexander Engelmann, Boris Houska, Tillmann M\\\"uhlpfordt, Timm Faulwasser, Yuning Jiang","submitted_at":"2018-02-23T15:37:31Z","abstract_excerpt":"The present paper discusses the application of the recently proposed Augmented Lagrangian Alternating Direction Inexact Newton (ALADIN) method to non-convex AC Optimal Power Flow Problems (OPF) in a distributed fashion. In contrast to the often used Alternating Direction of Multipliers Method (ADMM), ALADIN guarantees locally quadratic convergence for AC OPF. Numerical results for 5 to 300 bus test cases indicate that ALADIN is able to outperform ADMM and to reduce the number of iterations by about one order of magnitude. We compare ALADIN to numerical results for ADMM documented in the litera"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.08603","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:01:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4MUDyXGEVzQSiO0l86suLo0hjfZfMRjr5TVvoMTZPl+7uin6/r+qWFsimgzG6+ZtjHHdN71T3Kg0xcp1OwghDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:26:44.712526Z"},"content_sha256":"8431286fbdfe930e5c3df602b222f27194f8b8a8ed062270eb9624ba6c19755f","schema_version":"1.0","event_id":"sha256:8431286fbdfe930e5c3df602b222f27194f8b8a8ed062270eb9624ba6c19755f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KNV3AYWJM2SQX7XUXG7BAJNQQF/bundle.json","state_url":"https://pith.science/pith/KNV3AYWJM2SQX7XUXG7BAJNQQF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KNV3AYWJM2SQX7XUXG7BAJNQQF/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-25T16:26:44Z","links":{"resolver":"https://pith.science/pith/KNV3AYWJM2SQX7XUXG7BAJNQQF","bundle":"https://pith.science/pith/KNV3AYWJM2SQX7XUXG7BAJNQQF/bundle.json","state":"https://pith.science/pith/KNV3AYWJM2SQX7XUXG7BAJNQQF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KNV3AYWJM2SQX7XUXG7BAJNQQF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:KNV3AYWJM2SQX7XUXG7BAJNQQF","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":"14fa5f56cc7de954bb0a406a29b8871d0f22df9207a6653765c5227fbd46e6f0","cross_cats_sorted":["cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-02-23T15:37:31Z","title_canon_sha256":"1e7ad726fd6ea656d5c859a10cd00084ff054034f0180c375e997a742e5c5466"},"schema_version":"1.0","source":{"id":"1802.08603","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.08603","created_at":"2026-05-18T00:01:09Z"},{"alias_kind":"arxiv_version","alias_value":"1802.08603v2","created_at":"2026-05-18T00:01:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.08603","created_at":"2026-05-18T00:01:09Z"},{"alias_kind":"pith_short_12","alias_value":"KNV3AYWJM2SQ","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KNV3AYWJM2SQX7XU","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KNV3AYWJ","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:8431286fbdfe930e5c3df602b222f27194f8b8a8ed062270eb9624ba6c19755f","target":"graph","created_at":"2026-05-18T00:01:09Z","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":"The present paper discusses the application of the recently proposed Augmented Lagrangian Alternating Direction Inexact Newton (ALADIN) method to non-convex AC Optimal Power Flow Problems (OPF) in a distributed fashion. In contrast to the often used Alternating Direction of Multipliers Method (ADMM), ALADIN guarantees locally quadratic convergence for AC OPF. Numerical results for 5 to 300 bus test cases indicate that ALADIN is able to outperform ADMM and to reduce the number of iterations by about one order of magnitude. We compare ALADIN to numerical results for ADMM documented in the litera","authors_text":"Alexander Engelmann, Boris Houska, Tillmann M\\\"uhlpfordt, Timm Faulwasser, Yuning Jiang","cross_cats":["cs.SY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-02-23T15:37:31Z","title":"Towards Distributed OPF using ALADIN"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.08603","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":"sha256:6a684b222f613a0fecce1b467a3510e0fe229ea1266d9d176ad0abcf445c788d","target":"record","created_at":"2026-05-18T00:01:09Z","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":"14fa5f56cc7de954bb0a406a29b8871d0f22df9207a6653765c5227fbd46e6f0","cross_cats_sorted":["cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-02-23T15:37:31Z","title_canon_sha256":"1e7ad726fd6ea656d5c859a10cd00084ff054034f0180c375e997a742e5c5466"},"schema_version":"1.0","source":{"id":"1802.08603","kind":"arxiv","version":2}},"canonical_sha256":"536bb062c966a50bfef4b9be1025b081766e5c646224599c24131088d60fc18d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"536bb062c966a50bfef4b9be1025b081766e5c646224599c24131088d60fc18d","first_computed_at":"2026-05-18T00:01:09.763328Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:09.763328Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tNoBJNC6SVLhN9CK0Mu1i4dpfivrnlK5w3ofpr+FfBhOdl22pFv2RFtnhifcKgr69qYrLcChA38oYmkvJfRgDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:09.763968Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.08603","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6a684b222f613a0fecce1b467a3510e0fe229ea1266d9d176ad0abcf445c788d","sha256:8431286fbdfe930e5c3df602b222f27194f8b8a8ed062270eb9624ba6c19755f"],"state_sha256":"c4c96649312fd4d9a8d47f26462eda5ecf83bea850f11848b8f10fae93922faf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jeISTXTVUDw4h10+1MQ9e8ngxSeGdiMxOIJHKbRyBZNtGe3eohzX8dr3FUn+p1Wv8g4LTV4TiQ+8jEvYs3xlCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T16:26:44.716018Z","bundle_sha256":"4498a5cea307fa1e35db06aa6186ef0df4b534d48b3e93cc4bdb47cb31327a8d"}}