{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:KAFKUUNFFEZYBXH32ZSFVED54W","short_pith_number":"pith:KAFKUUNF","canonical_record":{"source":{"id":"1702.04045","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2017-02-14T01:44:12Z","cross_cats_sorted":["math.NA"],"title_canon_sha256":"d617dc2652e42d9dccae8f0376670e1fba4e9d3991c359c75cdc395613b17291","abstract_canon_sha256":"71e26e6f2ddfe087f27a4a87fc955e12b02381a1e0151c5e03eeb7db7f28dccf"},"schema_version":"1.0"},"canonical_sha256":"500aaa51a5293380dcfbd6645a907de5b1c56e78b44fc7000970e2e68ab96be4","source":{"kind":"arxiv","id":"1702.04045","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.04045","created_at":"2026-05-18T00:35:23Z"},{"alias_kind":"arxiv_version","alias_value":"1702.04045v1","created_at":"2026-05-18T00:35:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.04045","created_at":"2026-05-18T00:35:23Z"},{"alias_kind":"pith_short_12","alias_value":"KAFKUUNFFEZY","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"KAFKUUNFFEZYBXH3","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"KAFKUUNF","created_at":"2026-05-18T12:31:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:KAFKUUNFFEZYBXH32ZSFVED54W","target":"record","payload":{"canonical_record":{"source":{"id":"1702.04045","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2017-02-14T01:44:12Z","cross_cats_sorted":["math.NA"],"title_canon_sha256":"d617dc2652e42d9dccae8f0376670e1fba4e9d3991c359c75cdc395613b17291","abstract_canon_sha256":"71e26e6f2ddfe087f27a4a87fc955e12b02381a1e0151c5e03eeb7db7f28dccf"},"schema_version":"1.0"},"canonical_sha256":"500aaa51a5293380dcfbd6645a907de5b1c56e78b44fc7000970e2e68ab96be4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:35:23.612072Z","signature_b64":"xwcI8AGQvI8CrrNHdC1GdDcMKJA7KDLF6KEAKZoYEf717h3dEIbD5c5xHKNa73v2p7y2VRtncd0OBFX+Jsk0Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"500aaa51a5293380dcfbd6645a907de5b1c56e78b44fc7000970e2e68ab96be4","last_reissued_at":"2026-05-18T00:35:23.611457Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:35:23.611457Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1702.04045","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":"2026-05-18T00:35:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TfarkipCWemS37YSZu/O2VyCNOfZhZj0t5vYtE1QT83iCKRcGg9i5tVDRO864z4VAOJ0teKxTcZ+OIa6a2BBCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T03:30:25.059329Z"},"content_sha256":"b5ec12178227af151805358c52a55e401a88d4b5af56c223959e5a7d6a011eed","schema_version":"1.0","event_id":"sha256:b5ec12178227af151805358c52a55e401a88d4b5af56c223959e5a7d6a011eed"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:KAFKUUNFFEZYBXH32ZSFVED54W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A parallel orbital-updating based plane-wave basis method for electronic structure calculations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.NA"],"primary_cat":"physics.comp-ph","authors_text":"Aihui Zhou, Gian-Marco Rignanese, Stefano de Gironcoli, Xiaoying Dai, Xin-Gao Gong, Yan Pan","submitted_at":"2017-02-14T01:44:12Z","abstract_excerpt":"Motivated by the recently proposed parallel orbital-updating approach in real space method, we propose a parallel orbital-updating based plane-wave basis method for electronic structure calculations, for solving the corresponding eigenvalue problems. In addition, we propose two new modified parallel orbital-updating methods. Compared to the traditional plane-wave methods, our methods allow for two-level parallelization, which is particularly interesting for large scale parallelization. Numerical experiments show that these new methods are more reliable and efficient for large scale calculation"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.04045","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":"2026-05-18T00:35:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S4skXGxZ016/x+zJ0hYqdzfL08w3kQRWeB1mnE6ClW65d1xq4IrTc2kzhlQy22BY3lnXsVmwlOJ9/s2V/36XCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T03:30:25.059905Z"},"content_sha256":"072d57a0922bbd78c17eafa9cbd04747d04be480654e2415aa397e3ce67de69f","schema_version":"1.0","event_id":"sha256:072d57a0922bbd78c17eafa9cbd04747d04be480654e2415aa397e3ce67de69f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KAFKUUNFFEZYBXH32ZSFVED54W/bundle.json","state_url":"https://pith.science/pith/KAFKUUNFFEZYBXH32ZSFVED54W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KAFKUUNFFEZYBXH32ZSFVED54W/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":"2026-06-22T03:30:25Z","links":{"resolver":"https://pith.science/pith/KAFKUUNFFEZYBXH32ZSFVED54W","bundle":"https://pith.science/pith/KAFKUUNFFEZYBXH32ZSFVED54W/bundle.json","state":"https://pith.science/pith/KAFKUUNFFEZYBXH32ZSFVED54W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KAFKUUNFFEZYBXH32ZSFVED54W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:KAFKUUNFFEZYBXH32ZSFVED54W","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":"71e26e6f2ddfe087f27a4a87fc955e12b02381a1e0151c5e03eeb7db7f28dccf","cross_cats_sorted":["math.NA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2017-02-14T01:44:12Z","title_canon_sha256":"d617dc2652e42d9dccae8f0376670e1fba4e9d3991c359c75cdc395613b17291"},"schema_version":"1.0","source":{"id":"1702.04045","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.04045","created_at":"2026-05-18T00:35:23Z"},{"alias_kind":"arxiv_version","alias_value":"1702.04045v1","created_at":"2026-05-18T00:35:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.04045","created_at":"2026-05-18T00:35:23Z"},{"alias_kind":"pith_short_12","alias_value":"KAFKUUNFFEZY","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"KAFKUUNFFEZYBXH3","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"KAFKUUNF","created_at":"2026-05-18T12:31:24Z"}],"graph_snapshots":[{"event_id":"sha256:072d57a0922bbd78c17eafa9cbd04747d04be480654e2415aa397e3ce67de69f","target":"graph","created_at":"2026-05-18T00:35:23Z","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":"Motivated by the recently proposed parallel orbital-updating approach in real space method, we propose a parallel orbital-updating based plane-wave basis method for electronic structure calculations, for solving the corresponding eigenvalue problems. In addition, we propose two new modified parallel orbital-updating methods. Compared to the traditional plane-wave methods, our methods allow for two-level parallelization, which is particularly interesting for large scale parallelization. Numerical experiments show that these new methods are more reliable and efficient for large scale calculation","authors_text":"Aihui Zhou, Gian-Marco Rignanese, Stefano de Gironcoli, Xiaoying Dai, Xin-Gao Gong, Yan Pan","cross_cats":["math.NA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2017-02-14T01:44:12Z","title":"A parallel orbital-updating based plane-wave basis method for electronic structure calculations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.04045","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:b5ec12178227af151805358c52a55e401a88d4b5af56c223959e5a7d6a011eed","target":"record","created_at":"2026-05-18T00:35:23Z","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":"71e26e6f2ddfe087f27a4a87fc955e12b02381a1e0151c5e03eeb7db7f28dccf","cross_cats_sorted":["math.NA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2017-02-14T01:44:12Z","title_canon_sha256":"d617dc2652e42d9dccae8f0376670e1fba4e9d3991c359c75cdc395613b17291"},"schema_version":"1.0","source":{"id":"1702.04045","kind":"arxiv","version":1}},"canonical_sha256":"500aaa51a5293380dcfbd6645a907de5b1c56e78b44fc7000970e2e68ab96be4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"500aaa51a5293380dcfbd6645a907de5b1c56e78b44fc7000970e2e68ab96be4","first_computed_at":"2026-05-18T00:35:23.611457Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:35:23.611457Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xwcI8AGQvI8CrrNHdC1GdDcMKJA7KDLF6KEAKZoYEf717h3dEIbD5c5xHKNa73v2p7y2VRtncd0OBFX+Jsk0Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:35:23.612072Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.04045","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b5ec12178227af151805358c52a55e401a88d4b5af56c223959e5a7d6a011eed","sha256:072d57a0922bbd78c17eafa9cbd04747d04be480654e2415aa397e3ce67de69f"],"state_sha256":"a3cfcc96f64b637fa36c3b1b5dc1cce7c56a07ec28e1de79cefcd23b4eb9c4bf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IsecA7dO23jQdNFzuF77Y/tBlQovwPJITOOilKb2b/2Y5flO1glOXJtXJBiuiCyy+wKKsGzJhtL6J4kOHSsOCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T03:30:25.062641Z","bundle_sha256":"a71bb1aff575ce4d07b7a20c14cbd0bb83e0669397cce14de5031e960a343930"}}