{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:TZ2CCX6GNLUWLANTLVHN5F2QSY","short_pith_number":"pith:TZ2CCX6G","schema_version":"1.0","canonical_sha256":"9e74215fc66ae96581b35d4ede97509623ec9830150742349fade7ba6c3fbbcd","source":{"kind":"arxiv","id":"1309.7978","version":1},"attestation_state":"computed","paper":{"title":"Experimental Realization of a Three-Dimensional Dirac Semimetal","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"primary_cat":"cond-mat.mes-hall","authors_text":"Bernd Buechner, Danil Evtushinsky, Quinn Gibson, Robert J. Cava, Sergey Borisenko, Volodymyr Zabolotnyy","submitted_at":"2013-09-30T19:37:01Z","abstract_excerpt":"The three dimensional (3D) Dirac semimetal, which has been predicted theoretically, is a new electronic state of matter. It can be viewed as 3D generalization of graphene, with a unique electronic structure in which conduction and valence band energies touch each other only at isolated points in momentum space (i.e. the 3D Dirac points), and thus it cannot be classified either as a metal or a semiconductor. In contrast to graphene, the Dirac points of such a semimetal are not gapped by the spin-orbit interaction and the crossing of the linear dispersions is protected by crystal symmetry. In co"},"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":"1309.7978","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-09-30T19:37:01Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"title_canon_sha256":"eec6da76d86b01236a4618616f6675a75e6fc0c3b2c555ffbeb9843eee96987c","abstract_canon_sha256":"2590faeeec0722bac1a3664c932d98a9e5762ad6a06aa22f87a2130a5bb60d81"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:48:02.344181Z","signature_b64":"eZHxoW/yMS4tDKxeeXUK6wiAPlR7zKHIdt0XSCvexn48XHMRKmD+/9GUpLPPjobzTK9A2zXWUr04G1CW3zOnBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9e74215fc66ae96581b35d4ede97509623ec9830150742349fade7ba6c3fbbcd","last_reissued_at":"2026-05-18T02:48:02.343698Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:48:02.343698Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Experimental Realization of a Three-Dimensional Dirac Semimetal","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"primary_cat":"cond-mat.mes-hall","authors_text":"Bernd Buechner, Danil Evtushinsky, Quinn Gibson, Robert J. Cava, Sergey Borisenko, Volodymyr Zabolotnyy","submitted_at":"2013-09-30T19:37:01Z","abstract_excerpt":"The three dimensional (3D) Dirac semimetal, which has been predicted theoretically, is a new electronic state of matter. It can be viewed as 3D generalization of graphene, with a unique electronic structure in which conduction and valence band energies touch each other only at isolated points in momentum space (i.e. the 3D Dirac points), and thus it cannot be classified either as a metal or a semiconductor. In contrast to graphene, the Dirac points of such a semimetal are not gapped by the spin-orbit interaction and the crossing of the linear dispersions is protected by crystal symmetry. In co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.7978","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":"1309.7978","created_at":"2026-05-18T02:48:02.343767+00:00"},{"alias_kind":"arxiv_version","alias_value":"1309.7978v1","created_at":"2026-05-18T02:48:02.343767+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.7978","created_at":"2026-05-18T02:48:02.343767+00:00"},{"alias_kind":"pith_short_12","alias_value":"TZ2CCX6GNLUW","created_at":"2026-05-18T12:28:02.375192+00:00"},{"alias_kind":"pith_short_16","alias_value":"TZ2CCX6GNLUWLANT","created_at":"2026-05-18T12:28:02.375192+00:00"},{"alias_kind":"pith_short_8","alias_value":"TZ2CCX6G","created_at":"2026-05-18T12:28:02.375192+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/TZ2CCX6GNLUWLANTLVHN5F2QSY","json":"https://pith.science/pith/TZ2CCX6GNLUWLANTLVHN5F2QSY.json","graph_json":"https://pith.science/api/pith-number/TZ2CCX6GNLUWLANTLVHN5F2QSY/graph.json","events_json":"https://pith.science/api/pith-number/TZ2CCX6GNLUWLANTLVHN5F2QSY/events.json","paper":"https://pith.science/paper/TZ2CCX6G"},"agent_actions":{"view_html":"https://pith.science/pith/TZ2CCX6GNLUWLANTLVHN5F2QSY","download_json":"https://pith.science/pith/TZ2CCX6GNLUWLANTLVHN5F2QSY.json","view_paper":"https://pith.science/paper/TZ2CCX6G","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1309.7978&json=true","fetch_graph":"https://pith.science/api/pith-number/TZ2CCX6GNLUWLANTLVHN5F2QSY/graph.json","fetch_events":"https://pith.science/api/pith-number/TZ2CCX6GNLUWLANTLVHN5F2QSY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TZ2CCX6GNLUWLANTLVHN5F2QSY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TZ2CCX6GNLUWLANTLVHN5F2QSY/action/storage_attestation","attest_author":"https://pith.science/pith/TZ2CCX6GNLUWLANTLVHN5F2QSY/action/author_attestation","sign_citation":"https://pith.science/pith/TZ2CCX6GNLUWLANTLVHN5F2QSY/action/citation_signature","submit_replication":"https://pith.science/pith/TZ2CCX6GNLUWLANTLVHN5F2QSY/action/replication_record"}},"created_at":"2026-05-18T02:48:02.343767+00:00","updated_at":"2026-05-18T02:48:02.343767+00:00"}