{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:3SXPKWATA5HTWRGTNBPBO6AMNL","short_pith_number":"pith:3SXPKWAT","schema_version":"1.0","canonical_sha256":"dcaef55813074f3b44d3685e17780c6acf43a64c1ab5094735e20de8e3fe36e2","source":{"kind":"arxiv","id":"1805.01614","version":3},"attestation_state":"computed","paper":{"title":"Nodal Loop and Nodal Surface States in Ti3Al Family Materials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Shan-Shan Wang, Shengyuan A. Yang, Weikang Wu, Xian-Lei Sheng, Xiaoming Zhang, Zhi-Ming Yu, Ziming Zhu","submitted_at":"2018-05-04T05:28:32Z","abstract_excerpt":"Topological metals and semimetals are new states of matter which attract great interest in current research. Here, based on first-principles calculations and symmetry analysis, we propose that the family of titanium-based compounds Ti3X (X=Al, Ga, Sn, Pb) are unexplored topological semimetals. These materials feature the coexistence of a nodal loop and a nodal surface in their low-energy band structure. Taking Ti3Al as an example, we show that the material has an almost ideal nodal loop in the sense that the loop is close to the Fermi level and it is nearly flat in energy with energy variation"},"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":"1805.01614","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-05-04T05:28:32Z","cross_cats_sorted":[],"title_canon_sha256":"099321a08730f43cae639473a68ad0b9dd0d97ee49ba160a28f54662ff3bbba2","abstract_canon_sha256":"2ce92c23ab74334c7d84b65c7a35ab920354f0aeaf31f05dd3569d8a3bf35a8b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:12:03.723969Z","signature_b64":"6LGtULWp47CNWZV8l+SYMX9LCyeCQoy6KXDJC01Upnmp316DLA7X1U1Gz7ON6hb5dyaW729bO5KpnCVd6ZwECg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dcaef55813074f3b44d3685e17780c6acf43a64c1ab5094735e20de8e3fe36e2","last_reissued_at":"2026-05-18T00:12:03.723205Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:12:03.723205Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nodal Loop and Nodal Surface States in Ti3Al Family Materials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Shan-Shan Wang, Shengyuan A. Yang, Weikang Wu, Xian-Lei Sheng, Xiaoming Zhang, Zhi-Ming Yu, Ziming Zhu","submitted_at":"2018-05-04T05:28:32Z","abstract_excerpt":"Topological metals and semimetals are new states of matter which attract great interest in current research. Here, based on first-principles calculations and symmetry analysis, we propose that the family of titanium-based compounds Ti3X (X=Al, Ga, Sn, Pb) are unexplored topological semimetals. These materials feature the coexistence of a nodal loop and a nodal surface in their low-energy band structure. Taking Ti3Al as an example, we show that the material has an almost ideal nodal loop in the sense that the loop is close to the Fermi level and it is nearly flat in energy with energy variation"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.01614","kind":"arxiv","version":3},"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":"1805.01614","created_at":"2026-05-18T00:12:03.723329+00:00"},{"alias_kind":"arxiv_version","alias_value":"1805.01614v3","created_at":"2026-05-18T00:12:03.723329+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.01614","created_at":"2026-05-18T00:12:03.723329+00:00"},{"alias_kind":"pith_short_12","alias_value":"3SXPKWATA5HT","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_16","alias_value":"3SXPKWATA5HTWRGT","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_8","alias_value":"3SXPKWAT","created_at":"2026-05-18T12:32:05.422762+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/3SXPKWATA5HTWRGTNBPBO6AMNL","json":"https://pith.science/pith/3SXPKWATA5HTWRGTNBPBO6AMNL.json","graph_json":"https://pith.science/api/pith-number/3SXPKWATA5HTWRGTNBPBO6AMNL/graph.json","events_json":"https://pith.science/api/pith-number/3SXPKWATA5HTWRGTNBPBO6AMNL/events.json","paper":"https://pith.science/paper/3SXPKWAT"},"agent_actions":{"view_html":"https://pith.science/pith/3SXPKWATA5HTWRGTNBPBO6AMNL","download_json":"https://pith.science/pith/3SXPKWATA5HTWRGTNBPBO6AMNL.json","view_paper":"https://pith.science/paper/3SXPKWAT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1805.01614&json=true","fetch_graph":"https://pith.science/api/pith-number/3SXPKWATA5HTWRGTNBPBO6AMNL/graph.json","fetch_events":"https://pith.science/api/pith-number/3SXPKWATA5HTWRGTNBPBO6AMNL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3SXPKWATA5HTWRGTNBPBO6AMNL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3SXPKWATA5HTWRGTNBPBO6AMNL/action/storage_attestation","attest_author":"https://pith.science/pith/3SXPKWATA5HTWRGTNBPBO6AMNL/action/author_attestation","sign_citation":"https://pith.science/pith/3SXPKWATA5HTWRGTNBPBO6AMNL/action/citation_signature","submit_replication":"https://pith.science/pith/3SXPKWATA5HTWRGTNBPBO6AMNL/action/replication_record"}},"created_at":"2026-05-18T00:12:03.723329+00:00","updated_at":"2026-05-18T00:12:03.723329+00:00"}