{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:OAWSZCHXQAYPPOKHOKQDCY3IPM","short_pith_number":"pith:OAWSZCHX","schema_version":"1.0","canonical_sha256":"702d2c88f78030f7b94772a03163687b128d66d4b4357384ae6482cfdd7b31a5","source":{"kind":"arxiv","id":"1812.03756","version":2},"attestation_state":"computed","paper":{"title":"Topological Gapless Matters in Three-dimensional Ultracold Atomic Gases","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.quant-gas","authors_text":"Yong Xu","submitted_at":"2018-12-10T12:33:30Z","abstract_excerpt":"Three-dimensional topological gapless matters with gapless degeneracies protected by a topological invariant defined over a closed manifold in momentum space have attracted considerable interest in various fields ranging from condensed matter materials to ultracold atomic gases. As a highly controllable and disorder free system, ultracold atomic gases provide a versatile platform to simulate topological gapless matters. Here, the current progress in studies of topological gapless phenomena in three-dimensional cold atom systems is summarized in the review. It is mainly focused on Weyl points, "},"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":"1812.03756","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-12-10T12:33:30Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"90a42812381c5f6d99fbdd41c90d09f639104646717c9a2c7b40f82f493e7cc7","abstract_canon_sha256":"6c2443b6d06e06bdc50a18c8046b42175f286e1fa62854609266142ebc40da45"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:02.337375Z","signature_b64":"bF0tcu6jJQ2ynJrHT4h20uIq+IPZwiJH2+QBRnfylRVqA7y+YqzS77b13HknMZF+jbQlpN5LlBdQnuW4rEH+CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"702d2c88f78030f7b94772a03163687b128d66d4b4357384ae6482cfdd7b31a5","last_reissued_at":"2026-05-17T23:47:02.336836Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:02.336836Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Topological Gapless Matters in Three-dimensional Ultracold Atomic Gases","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.quant-gas","authors_text":"Yong Xu","submitted_at":"2018-12-10T12:33:30Z","abstract_excerpt":"Three-dimensional topological gapless matters with gapless degeneracies protected by a topological invariant defined over a closed manifold in momentum space have attracted considerable interest in various fields ranging from condensed matter materials to ultracold atomic gases. As a highly controllable and disorder free system, ultracold atomic gases provide a versatile platform to simulate topological gapless matters. Here, the current progress in studies of topological gapless phenomena in three-dimensional cold atom systems is summarized in the review. It is mainly focused on Weyl points, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.03756","kind":"arxiv","version":2},"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":"1812.03756","created_at":"2026-05-17T23:47:02.336927+00:00"},{"alias_kind":"arxiv_version","alias_value":"1812.03756v2","created_at":"2026-05-17T23:47:02.336927+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.03756","created_at":"2026-05-17T23:47:02.336927+00:00"},{"alias_kind":"pith_short_12","alias_value":"OAWSZCHXQAYP","created_at":"2026-05-18T12:32:43.782077+00:00"},{"alias_kind":"pith_short_16","alias_value":"OAWSZCHXQAYPPOKH","created_at":"2026-05-18T12:32:43.782077+00:00"},{"alias_kind":"pith_short_8","alias_value":"OAWSZCHX","created_at":"2026-05-18T12:32:43.782077+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/OAWSZCHXQAYPPOKHOKQDCY3IPM","json":"https://pith.science/pith/OAWSZCHXQAYPPOKHOKQDCY3IPM.json","graph_json":"https://pith.science/api/pith-number/OAWSZCHXQAYPPOKHOKQDCY3IPM/graph.json","events_json":"https://pith.science/api/pith-number/OAWSZCHXQAYPPOKHOKQDCY3IPM/events.json","paper":"https://pith.science/paper/OAWSZCHX"},"agent_actions":{"view_html":"https://pith.science/pith/OAWSZCHXQAYPPOKHOKQDCY3IPM","download_json":"https://pith.science/pith/OAWSZCHXQAYPPOKHOKQDCY3IPM.json","view_paper":"https://pith.science/paper/OAWSZCHX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1812.03756&json=true","fetch_graph":"https://pith.science/api/pith-number/OAWSZCHXQAYPPOKHOKQDCY3IPM/graph.json","fetch_events":"https://pith.science/api/pith-number/OAWSZCHXQAYPPOKHOKQDCY3IPM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OAWSZCHXQAYPPOKHOKQDCY3IPM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OAWSZCHXQAYPPOKHOKQDCY3IPM/action/storage_attestation","attest_author":"https://pith.science/pith/OAWSZCHXQAYPPOKHOKQDCY3IPM/action/author_attestation","sign_citation":"https://pith.science/pith/OAWSZCHXQAYPPOKHOKQDCY3IPM/action/citation_signature","submit_replication":"https://pith.science/pith/OAWSZCHXQAYPPOKHOKQDCY3IPM/action/replication_record"}},"created_at":"2026-05-17T23:47:02.336927+00:00","updated_at":"2026-05-17T23:47:02.336927+00:00"}