{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:Q2OCEPBPO5B32XOR4FOCNZZSCJ","short_pith_number":"pith:Q2OCEPBP","schema_version":"1.0","canonical_sha256":"869c223c2f7743bd5dd1e15c26e732127d3408e738d8dd6bbb57012b00554356","source":{"kind":"arxiv","id":"1612.07456","version":1},"attestation_state":"computed","paper":{"title":"Type-II Dirac semimetals in the YPd$_2$Sn class","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Huan-Cheng Yang, Kai Liu, Peng-Jie Guo, Zhong-Yi Lu","submitted_at":"2016-12-22T06:23:39Z","abstract_excerpt":"The Lorentz-invariance-violating Weyl and Dirac fermions have recently attracted intensive interests as new types of particles beyond high-energy physics, and they demonstrate novel physical phenomena such as angle-dependent chiral anomaly and topological Lifshitz transition. Here we predict the existence of Lorentz-invariance-violating Dirac fermions in the YPd$_2$Sn class of Heusler alloys that emerge at the boundary between the electron-like and hole-like pockets in the Brillouin zone, based on the first-principles electronic structure calculations. In combination with the fact that this cl"},"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":"1612.07456","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-12-22T06:23:39Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"a841f5388796988286ca182310bc4e0f5d24ecb56de15a287937cbf8b4e36c2f","abstract_canon_sha256":"5dc95eb917687db369f82ac6d3c3f1beb8dbad147ef47c8bb771e33802be3af2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:46:38.299746Z","signature_b64":"b0VTyJVQGYzZ5HeKjGkb0d0GAW3T/947BYx1BFv1yq3aDq6mujQiHptnt5QvvlS35oZK8KZ+H9Swl6KA37K5BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"869c223c2f7743bd5dd1e15c26e732127d3408e738d8dd6bbb57012b00554356","last_reissued_at":"2026-05-18T00:46:38.299112Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:46:38.299112Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Type-II Dirac semimetals in the YPd$_2$Sn class","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Huan-Cheng Yang, Kai Liu, Peng-Jie Guo, Zhong-Yi Lu","submitted_at":"2016-12-22T06:23:39Z","abstract_excerpt":"The Lorentz-invariance-violating Weyl and Dirac fermions have recently attracted intensive interests as new types of particles beyond high-energy physics, and they demonstrate novel physical phenomena such as angle-dependent chiral anomaly and topological Lifshitz transition. Here we predict the existence of Lorentz-invariance-violating Dirac fermions in the YPd$_2$Sn class of Heusler alloys that emerge at the boundary between the electron-like and hole-like pockets in the Brillouin zone, based on the first-principles electronic structure calculations. In combination with the fact that this cl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.07456","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":"1612.07456","created_at":"2026-05-18T00:46:38.299206+00:00"},{"alias_kind":"arxiv_version","alias_value":"1612.07456v1","created_at":"2026-05-18T00:46:38.299206+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.07456","created_at":"2026-05-18T00:46:38.299206+00:00"},{"alias_kind":"pith_short_12","alias_value":"Q2OCEPBPO5B3","created_at":"2026-05-18T12:30:39.010887+00:00"},{"alias_kind":"pith_short_16","alias_value":"Q2OCEPBPO5B32XOR","created_at":"2026-05-18T12:30:39.010887+00:00"},{"alias_kind":"pith_short_8","alias_value":"Q2OCEPBP","created_at":"2026-05-18T12:30:39.010887+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/Q2OCEPBPO5B32XOR4FOCNZZSCJ","json":"https://pith.science/pith/Q2OCEPBPO5B32XOR4FOCNZZSCJ.json","graph_json":"https://pith.science/api/pith-number/Q2OCEPBPO5B32XOR4FOCNZZSCJ/graph.json","events_json":"https://pith.science/api/pith-number/Q2OCEPBPO5B32XOR4FOCNZZSCJ/events.json","paper":"https://pith.science/paper/Q2OCEPBP"},"agent_actions":{"view_html":"https://pith.science/pith/Q2OCEPBPO5B32XOR4FOCNZZSCJ","download_json":"https://pith.science/pith/Q2OCEPBPO5B32XOR4FOCNZZSCJ.json","view_paper":"https://pith.science/paper/Q2OCEPBP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1612.07456&json=true","fetch_graph":"https://pith.science/api/pith-number/Q2OCEPBPO5B32XOR4FOCNZZSCJ/graph.json","fetch_events":"https://pith.science/api/pith-number/Q2OCEPBPO5B32XOR4FOCNZZSCJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Q2OCEPBPO5B32XOR4FOCNZZSCJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Q2OCEPBPO5B32XOR4FOCNZZSCJ/action/storage_attestation","attest_author":"https://pith.science/pith/Q2OCEPBPO5B32XOR4FOCNZZSCJ/action/author_attestation","sign_citation":"https://pith.science/pith/Q2OCEPBPO5B32XOR4FOCNZZSCJ/action/citation_signature","submit_replication":"https://pith.science/pith/Q2OCEPBPO5B32XOR4FOCNZZSCJ/action/replication_record"}},"created_at":"2026-05-18T00:46:38.299206+00:00","updated_at":"2026-05-18T00:46:38.299206+00:00"}