{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:HL6N27QJEKCOLRGS3AX7Y3EJDJ","short_pith_number":"pith:HL6N27QJ","schema_version":"1.0","canonical_sha256":"3afcdd7e092284e5c4d2d82ffc6c891a43bf5bfb8fd5fd63584bb9f2fb0e94cf","source":{"kind":"arxiv","id":"1608.05791","version":1},"attestation_state":"computed","paper":{"title":"A Family Group of Two-dimensional Node-Line Semimetals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Candi Zheng, Hu Xu, Jinzhu Zhao, Junfeng Liu, Li-Yong. Gan, Rui Wang, S. Y. Tong, Yuanjun Jin","submitted_at":"2016-08-20T06:55:37Z","abstract_excerpt":"Using evolutionary algorithm and first-principles calculations, we predict a family group of two-dimensional node-line semimetals MX (M=Pd, Pt; X=S, Se, Te), which has zig-zag type mono-layer structure in Pmm2 layer group. Band structure analysis reveals that node-line features are caused by band inversion and the inversion exists even in the absence of spin-orbital-coupling. Tests are carried out to confirm that the node-line loop is protected by crystal symmetry. This work extends our knowledge of node-line materials to two-dimensional cases, i.e., a group of metal-group VI compounds sharing"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1608.05791","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-08-20T06:55:37Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"7264753b2089777d384fc160fa859316bf89be27ae81a314cbb2c84151b5d607","abstract_canon_sha256":"439780680bf38234d70dca9f5b078dbdc4b132f5513551cbb7b1cc3fdfc82acb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:34:57.845052Z","signature_b64":"fD76jI0LrpeuF0W5U58r3/Tro9440eFTEtfyfMNuFH1Gmptq9K/NZSF1a1JER+fbxEZCKrnMY7IdmU0oB/JBAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3afcdd7e092284e5c4d2d82ffc6c891a43bf5bfb8fd5fd63584bb9f2fb0e94cf","last_reissued_at":"2026-05-18T00:34:57.844497Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:34:57.844497Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Family Group of Two-dimensional Node-Line Semimetals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Candi Zheng, Hu Xu, Jinzhu Zhao, Junfeng Liu, Li-Yong. Gan, Rui Wang, S. Y. Tong, Yuanjun Jin","submitted_at":"2016-08-20T06:55:37Z","abstract_excerpt":"Using evolutionary algorithm and first-principles calculations, we predict a family group of two-dimensional node-line semimetals MX (M=Pd, Pt; X=S, Se, Te), which has zig-zag type mono-layer structure in Pmm2 layer group. Band structure analysis reveals that node-line features are caused by band inversion and the inversion exists even in the absence of spin-orbital-coupling. Tests are carried out to confirm that the node-line loop is protected by crystal symmetry. This work extends our knowledge of node-line materials to two-dimensional cases, i.e., a group of metal-group VI compounds sharing"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.05791","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1608.05791","created_at":"2026-05-18T00:34:57.844591+00:00"},{"alias_kind":"arxiv_version","alias_value":"1608.05791v1","created_at":"2026-05-18T00:34:57.844591+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.05791","created_at":"2026-05-18T00:34:57.844591+00:00"},{"alias_kind":"pith_short_12","alias_value":"HL6N27QJEKCO","created_at":"2026-05-18T12:30:19.053100+00:00"},{"alias_kind":"pith_short_16","alias_value":"HL6N27QJEKCOLRGS","created_at":"2026-05-18T12:30:19.053100+00:00"},{"alias_kind":"pith_short_8","alias_value":"HL6N27QJ","created_at":"2026-05-18T12:30:19.053100+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/HL6N27QJEKCOLRGS3AX7Y3EJDJ","json":"https://pith.science/pith/HL6N27QJEKCOLRGS3AX7Y3EJDJ.json","graph_json":"https://pith.science/api/pith-number/HL6N27QJEKCOLRGS3AX7Y3EJDJ/graph.json","events_json":"https://pith.science/api/pith-number/HL6N27QJEKCOLRGS3AX7Y3EJDJ/events.json","paper":"https://pith.science/paper/HL6N27QJ"},"agent_actions":{"view_html":"https://pith.science/pith/HL6N27QJEKCOLRGS3AX7Y3EJDJ","download_json":"https://pith.science/pith/HL6N27QJEKCOLRGS3AX7Y3EJDJ.json","view_paper":"https://pith.science/paper/HL6N27QJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1608.05791&json=true","fetch_graph":"https://pith.science/api/pith-number/HL6N27QJEKCOLRGS3AX7Y3EJDJ/graph.json","fetch_events":"https://pith.science/api/pith-number/HL6N27QJEKCOLRGS3AX7Y3EJDJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HL6N27QJEKCOLRGS3AX7Y3EJDJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HL6N27QJEKCOLRGS3AX7Y3EJDJ/action/storage_attestation","attest_author":"https://pith.science/pith/HL6N27QJEKCOLRGS3AX7Y3EJDJ/action/author_attestation","sign_citation":"https://pith.science/pith/HL6N27QJEKCOLRGS3AX7Y3EJDJ/action/citation_signature","submit_replication":"https://pith.science/pith/HL6N27QJEKCOLRGS3AX7Y3EJDJ/action/replication_record"}},"created_at":"2026-05-18T00:34:57.844591+00:00","updated_at":"2026-05-18T00:34:57.844591+00:00"}