{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:NVT3QRRSZHEZAYTLT4KPNI44X7","short_pith_number":"pith:NVT3QRRS","schema_version":"1.0","canonical_sha256":"6d67b84632c9c990626b9f14f6a39cbfe983dd25af3624175dc8f036b91d5ba4","source":{"kind":"arxiv","id":"1707.04570","version":3},"attestation_state":"computed","paper":{"title":"Quantum oscillations and a non-trivial Berry phase in the noncentrosymmetric superconductor BiPd","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"D. Browne, D. E. Graf, D. P. Young, I. Vekhter, J. F. DiTusa, Mojammel A. Khan, W. Adam Phelan","submitted_at":"2017-07-14T17:34:52Z","abstract_excerpt":"We report the measurements of de Haas-van Alphen (dHvA) oscillations in the noncentrosymmetric superconductor BiPd. Several pieces of a complex multi-sheet Fermi surface are identified, including a small pocket (frequency 40 T) which is three dimensional and anisotropic. From the temperature dependence of the amplitude of the oscillations, the cyclotron effective mass is ($0.18$ $\\pm$ 0.1) $m_e$. Further analysis showed a non-trivial $\\pi$-Berry phase is associated with the 40 T pocket, which strongly supports the presence of topological states in bulk BiPd and may result in topological superc"},"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":"1707.04570","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2017-07-14T17:34:52Z","cross_cats_sorted":[],"title_canon_sha256":"0932aa8f85a035c8f8e695d268f9805a1970a64b5dbf5e80a63ada638a19e23b","abstract_canon_sha256":"1706ba0d9ce0f2031bbe719370112f62676442e3c233bfcad838145dac8bdace"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:54:44.494776Z","signature_b64":"NyctLTVtI0RVgyMJIN3f9z6qe9Q6fPM8bbccHhRC8nD4SPba5XLitN29CS2sqCubqHD9wjrnEqfTrKdAmDh7DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6d67b84632c9c990626b9f14f6a39cbfe983dd25af3624175dc8f036b91d5ba4","last_reissued_at":"2026-05-17T23:54:44.494127Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:54:44.494127Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum oscillations and a non-trivial Berry phase in the noncentrosymmetric superconductor BiPd","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"D. Browne, D. E. Graf, D. P. Young, I. Vekhter, J. F. DiTusa, Mojammel A. Khan, W. Adam Phelan","submitted_at":"2017-07-14T17:34:52Z","abstract_excerpt":"We report the measurements of de Haas-van Alphen (dHvA) oscillations in the noncentrosymmetric superconductor BiPd. Several pieces of a complex multi-sheet Fermi surface are identified, including a small pocket (frequency 40 T) which is three dimensional and anisotropic. From the temperature dependence of the amplitude of the oscillations, the cyclotron effective mass is ($0.18$ $\\pm$ 0.1) $m_e$. Further analysis showed a non-trivial $\\pi$-Berry phase is associated with the 40 T pocket, which strongly supports the presence of topological states in bulk BiPd and may result in topological superc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.04570","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":"1707.04570","created_at":"2026-05-17T23:54:44.494245+00:00"},{"alias_kind":"arxiv_version","alias_value":"1707.04570v3","created_at":"2026-05-17T23:54:44.494245+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.04570","created_at":"2026-05-17T23:54:44.494245+00:00"},{"alias_kind":"pith_short_12","alias_value":"NVT3QRRSZHEZ","created_at":"2026-05-18T12:31:34.259226+00:00"},{"alias_kind":"pith_short_16","alias_value":"NVT3QRRSZHEZAYTL","created_at":"2026-05-18T12:31:34.259226+00:00"},{"alias_kind":"pith_short_8","alias_value":"NVT3QRRS","created_at":"2026-05-18T12:31:34.259226+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/NVT3QRRSZHEZAYTLT4KPNI44X7","json":"https://pith.science/pith/NVT3QRRSZHEZAYTLT4KPNI44X7.json","graph_json":"https://pith.science/api/pith-number/NVT3QRRSZHEZAYTLT4KPNI44X7/graph.json","events_json":"https://pith.science/api/pith-number/NVT3QRRSZHEZAYTLT4KPNI44X7/events.json","paper":"https://pith.science/paper/NVT3QRRS"},"agent_actions":{"view_html":"https://pith.science/pith/NVT3QRRSZHEZAYTLT4KPNI44X7","download_json":"https://pith.science/pith/NVT3QRRSZHEZAYTLT4KPNI44X7.json","view_paper":"https://pith.science/paper/NVT3QRRS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1707.04570&json=true","fetch_graph":"https://pith.science/api/pith-number/NVT3QRRSZHEZAYTLT4KPNI44X7/graph.json","fetch_events":"https://pith.science/api/pith-number/NVT3QRRSZHEZAYTLT4KPNI44X7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NVT3QRRSZHEZAYTLT4KPNI44X7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NVT3QRRSZHEZAYTLT4KPNI44X7/action/storage_attestation","attest_author":"https://pith.science/pith/NVT3QRRSZHEZAYTLT4KPNI44X7/action/author_attestation","sign_citation":"https://pith.science/pith/NVT3QRRSZHEZAYTLT4KPNI44X7/action/citation_signature","submit_replication":"https://pith.science/pith/NVT3QRRSZHEZAYTLT4KPNI44X7/action/replication_record"}},"created_at":"2026-05-17T23:54:44.494245+00:00","updated_at":"2026-05-17T23:54:44.494245+00:00"}