{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:GC4PTGFR3LTB3RB4UYO5YPZC6N","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":"4f331715c929bcdbcc06cfb9a51beb29a3a4c40dcdb6b4559110795716f1fda0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2013-08-12T15:12:05Z","title_canon_sha256":"5787eb7b37425eef47f9b05660ce4c1aa439711660c0b68775f3593ccdaac6ee"},"schema_version":"1.0","source":{"id":"1308.2590","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.2590","created_at":"2026-05-18T01:08:13Z"},{"alias_kind":"arxiv_version","alias_value":"1308.2590v1","created_at":"2026-05-18T01:08:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.2590","created_at":"2026-05-18T01:08:13Z"},{"alias_kind":"pith_short_12","alias_value":"GC4PTGFR3LTB","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"GC4PTGFR3LTB3RB4","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"GC4PTGFR","created_at":"2026-05-18T12:27:45Z"}],"graph_snapshots":[{"event_id":"sha256:701fe77ee34a398efd06f5421c766f5a882cadad4c0639c5be55d45c2062e28a","target":"graph","created_at":"2026-05-18T01:08:13Z","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 implicit 2D3V particle-in-cell (PIC) code developed to study the interaction of ultrashort pulse lasers with matter [G. M. Petrov and J. Davis, Computer Phys. Comm. 179, 868 (2008); Phys. Plasmas 18, 073102 (2011)] has been parallelized using MPI (Message Passing Interface). Details on the algorithm implementation are given with emphasis on code optimization by overlapping computations with communications. Performance evaluation has been made on a small Linux cluster with 32 processors for two typical regimes of PIC operation: \"particle dominated\", for which the bulk of the computation tim","authors_text":"George M. Petrov, Jack Davis","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2013-08-12T15:12:05Z","title":"Parallelization of an implicit algorithm for multi-dimensional particle-in-cell simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.2590","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":"sha256:82a1ac0194270b15af59a6c7826abf5347efb0168e77cef3cbf91fd96c73fcfb","target":"record","created_at":"2026-05-18T01:08:13Z","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":"4f331715c929bcdbcc06cfb9a51beb29a3a4c40dcdb6b4559110795716f1fda0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2013-08-12T15:12:05Z","title_canon_sha256":"5787eb7b37425eef47f9b05660ce4c1aa439711660c0b68775f3593ccdaac6ee"},"schema_version":"1.0","source":{"id":"1308.2590","kind":"arxiv","version":1}},"canonical_sha256":"30b8f998b1dae61dc43ca61ddc3f22f348b9cef3478314e2c6c32b663ce913bc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"30b8f998b1dae61dc43ca61ddc3f22f348b9cef3478314e2c6c32b663ce913bc","first_computed_at":"2026-05-18T01:08:13.518827Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:08:13.518827Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LazDvFVKipDQGlNycVozYJmhSFlBBTu2aBbRmrHpsdVk6hTnCDt38MT3/g7c4LSDZbKzy6bsjzcxQICoivWZAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:08:13.519299Z","signed_message":"canonical_sha256_bytes"},"source_id":"1308.2590","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:82a1ac0194270b15af59a6c7826abf5347efb0168e77cef3cbf91fd96c73fcfb","sha256:701fe77ee34a398efd06f5421c766f5a882cadad4c0639c5be55d45c2062e28a"],"state_sha256":"5e88c643299d09fb2b94390da10fd0478ac7c21ea35b8be4190097e3adc23dc3"}