{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:OW7I3TRWVNTSZF3JSVGSOXLUYY","short_pith_number":"pith:OW7I3TRW","canonical_record":{"source":{"id":"1711.10579","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2017-11-28T21:57:14Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"ebf060d8c5bfd377da80c602fe934d9d322d0ab21519d005b65e5281f558faa4","abstract_canon_sha256":"007268d7b0100171362c3e2692b7449814ee6a76df29dd924fee62cd01f82b09"},"schema_version":"1.0"},"canonical_sha256":"75be8dce36ab672c9769954d275d74c611f6b4d79b98b0464b5ff26fadf4f642","source":{"kind":"arxiv","id":"1711.10579","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.10579","created_at":"2026-05-18T00:29:17Z"},{"alias_kind":"arxiv_version","alias_value":"1711.10579v1","created_at":"2026-05-18T00:29:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.10579","created_at":"2026-05-18T00:29:17Z"},{"alias_kind":"pith_short_12","alias_value":"OW7I3TRWVNTS","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"OW7I3TRWVNTSZF3J","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"OW7I3TRW","created_at":"2026-05-18T12:31:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:OW7I3TRWVNTSZF3JSVGSOXLUYY","target":"record","payload":{"canonical_record":{"source":{"id":"1711.10579","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2017-11-28T21:57:14Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"ebf060d8c5bfd377da80c602fe934d9d322d0ab21519d005b65e5281f558faa4","abstract_canon_sha256":"007268d7b0100171362c3e2692b7449814ee6a76df29dd924fee62cd01f82b09"},"schema_version":"1.0"},"canonical_sha256":"75be8dce36ab672c9769954d275d74c611f6b4d79b98b0464b5ff26fadf4f642","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:29:17.695297Z","signature_b64":"/FCKs1MDs9C8YzY8Tts+fN+ScIMO/yiSaCid0/+c9H2ds12uoW5Zczfa8KTNfDa6hmo1seHSFlqTDVFbjeK3BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"75be8dce36ab672c9769954d275d74c611f6b4d79b98b0464b5ff26fadf4f642","last_reissued_at":"2026-05-18T00:29:17.694586Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:29:17.694586Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.10579","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:29:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DCBq8/1oR8K79CkIDQkkckg0Y72UrIRjRtkvXGv/2shY/4zGu1qv0v3Td3OREqGDiLGRBReuc4xlpn4m2G72Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T02:57:13.295418Z"},"content_sha256":"5d93cbd7fd5298bf8cc4f64b086d2ba8945b7a8935d41e02f9a5d0bc1fe61022","schema_version":"1.0","event_id":"sha256:5d93cbd7fd5298bf8cc4f64b086d2ba8945b7a8935d41e02f9a5d0bc1fe61022"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:OW7I3TRWVNTSZF3JSVGSOXLUYY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ExaGridPF: A Parallel Power Flow Solver for Transmission and Unbalanced Distribution Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"cs.CE","authors_text":"Bin Wang, Cy Chan, John Bachan","submitted_at":"2017-11-28T21:57:14Z","abstract_excerpt":"This paper investigates parallelization strategies for solving power flow problems in both transmission and unbalanced, three-phase distribution systems by developing a scalable power flow solver, ExaGridPF, which is compatible with existing high-performance computing platforms. Newton-Raphson (NR) and Newton-Krylov (NK) algorithms have been implemented to verify the performance improvement over both standard IEEE test cases and synthesized grid topologies. For three-phase, unbalanced system, we adapt the current injection method (CIM) to model the power flow and utilize SuperLU to parallelize"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.10579","kind":"arxiv","version":1},"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":"2026-05-18T00:29:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gnsnTaaqjGUr8yLcTjZrIO6i7reYnofNFULt4mmKVHBWqhZhRbSRBjLS+TtkBAXwafRkbMi3D5eBbvE5HMY0Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T02:57:13.295984Z"},"content_sha256":"bfd15e2ef49370ac68ad71745dadfd93a864b32763d2c2b3650442926add5836","schema_version":"1.0","event_id":"sha256:bfd15e2ef49370ac68ad71745dadfd93a864b32763d2c2b3650442926add5836"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OW7I3TRWVNTSZF3JSVGSOXLUYY/bundle.json","state_url":"https://pith.science/pith/OW7I3TRWVNTSZF3JSVGSOXLUYY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OW7I3TRWVNTSZF3JSVGSOXLUYY/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":"2026-07-07T02:57:13Z","links":{"resolver":"https://pith.science/pith/OW7I3TRWVNTSZF3JSVGSOXLUYY","bundle":"https://pith.science/pith/OW7I3TRWVNTSZF3JSVGSOXLUYY/bundle.json","state":"https://pith.science/pith/OW7I3TRWVNTSZF3JSVGSOXLUYY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OW7I3TRWVNTSZF3JSVGSOXLUYY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:OW7I3TRWVNTSZF3JSVGSOXLUYY","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":"007268d7b0100171362c3e2692b7449814ee6a76df29dd924fee62cd01f82b09","cross_cats_sorted":["cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2017-11-28T21:57:14Z","title_canon_sha256":"ebf060d8c5bfd377da80c602fe934d9d322d0ab21519d005b65e5281f558faa4"},"schema_version":"1.0","source":{"id":"1711.10579","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.10579","created_at":"2026-05-18T00:29:17Z"},{"alias_kind":"arxiv_version","alias_value":"1711.10579v1","created_at":"2026-05-18T00:29:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.10579","created_at":"2026-05-18T00:29:17Z"},{"alias_kind":"pith_short_12","alias_value":"OW7I3TRWVNTS","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"OW7I3TRWVNTSZF3J","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"OW7I3TRW","created_at":"2026-05-18T12:31:34Z"}],"graph_snapshots":[{"event_id":"sha256:bfd15e2ef49370ac68ad71745dadfd93a864b32763d2c2b3650442926add5836","target":"graph","created_at":"2026-05-18T00:29:17Z","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":"This paper investigates parallelization strategies for solving power flow problems in both transmission and unbalanced, three-phase distribution systems by developing a scalable power flow solver, ExaGridPF, which is compatible with existing high-performance computing platforms. Newton-Raphson (NR) and Newton-Krylov (NK) algorithms have been implemented to verify the performance improvement over both standard IEEE test cases and synthesized grid topologies. For three-phase, unbalanced system, we adapt the current injection method (CIM) to model the power flow and utilize SuperLU to parallelize","authors_text":"Bin Wang, Cy Chan, John Bachan","cross_cats":["cs.SY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2017-11-28T21:57:14Z","title":"ExaGridPF: A Parallel Power Flow Solver for Transmission and Unbalanced Distribution Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.10579","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":"sha256:5d93cbd7fd5298bf8cc4f64b086d2ba8945b7a8935d41e02f9a5d0bc1fe61022","target":"record","created_at":"2026-05-18T00:29:17Z","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":"007268d7b0100171362c3e2692b7449814ee6a76df29dd924fee62cd01f82b09","cross_cats_sorted":["cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2017-11-28T21:57:14Z","title_canon_sha256":"ebf060d8c5bfd377da80c602fe934d9d322d0ab21519d005b65e5281f558faa4"},"schema_version":"1.0","source":{"id":"1711.10579","kind":"arxiv","version":1}},"canonical_sha256":"75be8dce36ab672c9769954d275d74c611f6b4d79b98b0464b5ff26fadf4f642","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"75be8dce36ab672c9769954d275d74c611f6b4d79b98b0464b5ff26fadf4f642","first_computed_at":"2026-05-18T00:29:17.694586Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:29:17.694586Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/FCKs1MDs9C8YzY8Tts+fN+ScIMO/yiSaCid0/+c9H2ds12uoW5Zczfa8KTNfDa6hmo1seHSFlqTDVFbjeK3BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:29:17.695297Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.10579","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5d93cbd7fd5298bf8cc4f64b086d2ba8945b7a8935d41e02f9a5d0bc1fe61022","sha256:bfd15e2ef49370ac68ad71745dadfd93a864b32763d2c2b3650442926add5836"],"state_sha256":"98e851bf226a70fe02b43223aaa3e2026590d220ba98decd5c7854fbb11ea17a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G1j6MshV7mRzdXfO5gsG41AA79lli+N+1QEqI5g8ay4yCCGZ9R70/xU0Y2IhGe86jHB/MAeHn/D8rtJgvv45DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T02:57:13.298208Z","bundle_sha256":"493a5d6d370d31bd233c2bdbb6642fec403333256ae1d37f103978231da5838e"}}