{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:S7YH6WNCD7P33JI7DXZM5RCP76","short_pith_number":"pith:S7YH6WNC","schema_version":"1.0","canonical_sha256":"97f07f59a21fdfbda51f1df2cec44fffa227dc35319e9bf41775a8476cd95fbf","source":{"kind":"arxiv","id":"2012.02010","version":1},"attestation_state":"computed","paper":{"title":"Triple point fermions in ferroelectric GeTe","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Eduardo B.Guedes, Gunther Springholz, Houke Chen, Jan Min\\'ar, J. Hugo Dil, Juraj Krempask\\'y, Laurent Nicola\\\"i, Marco Caputo, Martin Gmitra, Mauro Fanciulli, Milan Radovi\\'c, Ondrej Caha, V.V. Volobuev","submitted_at":"2020-12-03T15:45:30Z","abstract_excerpt":"Ferroelectric GeTe is unveiled to exhibit an intriguing multiple non-trivial topology of the electronic band structure due to the existence of triple-point and type-II Weyl fermions, which goes well beyond the giant Rashba spin splitting controlled by external fields as previously reported. Using spin- and angle-resolved photoemission spectroscopy combined with ab initio density functional theory, the unique spin texture around the triple point caused by the crossing of one spin degenerate and two spin-split bands along the ferroelectric crystal axis is derived. This consistently reveals spin "},"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":"2012.02010","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-12-03T15:45:30Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"ee42d0b96e8c149ad30883c289385f93d6fe5594723c992eb9c18a380526a0ed","abstract_canon_sha256":"3731a759eb7c08cd512e6809101cbd9df53c820d00f85139939e018727062b69"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:43:13.173854Z","signature_b64":"IfxDTmxUkJdAbxvBrLuWfv9rE0z/WKj81DQNAYZKrJgtXMMfNlNf378a3LsYCqTi+fNZihJ6E7hPDgAnhRoEAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"97f07f59a21fdfbda51f1df2cec44fffa227dc35319e9bf41775a8476cd95fbf","last_reissued_at":"2026-07-05T02:43:13.173277Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:43:13.173277Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Triple point fermions in ferroelectric GeTe","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Eduardo B.Guedes, Gunther Springholz, Houke Chen, Jan Min\\'ar, J. Hugo Dil, Juraj Krempask\\'y, Laurent Nicola\\\"i, Marco Caputo, Martin Gmitra, Mauro Fanciulli, Milan Radovi\\'c, Ondrej Caha, V.V. Volobuev","submitted_at":"2020-12-03T15:45:30Z","abstract_excerpt":"Ferroelectric GeTe is unveiled to exhibit an intriguing multiple non-trivial topology of the electronic band structure due to the existence of triple-point and type-II Weyl fermions, which goes well beyond the giant Rashba spin splitting controlled by external fields as previously reported. Using spin- and angle-resolved photoemission spectroscopy combined with ab initio density functional theory, the unique spin texture around the triple point caused by the crossing of one spin degenerate and two spin-split bands along the ferroelectric crystal axis is derived. This consistently reveals spin "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.02010","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2012.02010/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2012.02010","created_at":"2026-07-05T02:43:13.173340+00:00"},{"alias_kind":"arxiv_version","alias_value":"2012.02010v1","created_at":"2026-07-05T02:43:13.173340+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.02010","created_at":"2026-07-05T02:43:13.173340+00:00"},{"alias_kind":"pith_short_12","alias_value":"S7YH6WNCD7P3","created_at":"2026-07-05T02:43:13.173340+00:00"},{"alias_kind":"pith_short_16","alias_value":"S7YH6WNCD7P33JI7","created_at":"2026-07-05T02:43:13.173340+00:00"},{"alias_kind":"pith_short_8","alias_value":"S7YH6WNC","created_at":"2026-07-05T02:43:13.173340+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/S7YH6WNCD7P33JI7DXZM5RCP76","json":"https://pith.science/pith/S7YH6WNCD7P33JI7DXZM5RCP76.json","graph_json":"https://pith.science/api/pith-number/S7YH6WNCD7P33JI7DXZM5RCP76/graph.json","events_json":"https://pith.science/api/pith-number/S7YH6WNCD7P33JI7DXZM5RCP76/events.json","paper":"https://pith.science/paper/S7YH6WNC"},"agent_actions":{"view_html":"https://pith.science/pith/S7YH6WNCD7P33JI7DXZM5RCP76","download_json":"https://pith.science/pith/S7YH6WNCD7P33JI7DXZM5RCP76.json","view_paper":"https://pith.science/paper/S7YH6WNC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2012.02010&json=true","fetch_graph":"https://pith.science/api/pith-number/S7YH6WNCD7P33JI7DXZM5RCP76/graph.json","fetch_events":"https://pith.science/api/pith-number/S7YH6WNCD7P33JI7DXZM5RCP76/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/S7YH6WNCD7P33JI7DXZM5RCP76/action/timestamp_anchor","attest_storage":"https://pith.science/pith/S7YH6WNCD7P33JI7DXZM5RCP76/action/storage_attestation","attest_author":"https://pith.science/pith/S7YH6WNCD7P33JI7DXZM5RCP76/action/author_attestation","sign_citation":"https://pith.science/pith/S7YH6WNCD7P33JI7DXZM5RCP76/action/citation_signature","submit_replication":"https://pith.science/pith/S7YH6WNCD7P33JI7DXZM5RCP76/action/replication_record"}},"created_at":"2026-07-05T02:43:13.173340+00:00","updated_at":"2026-07-05T02:43:13.173340+00:00"}