{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:WGBT5KTDBOD6JMOYQLJDJ4KZ32","short_pith_number":"pith:WGBT5KTD","schema_version":"1.0","canonical_sha256":"b1833eaa630b87e4b1d882d234f159de8cb3a90a4cb2074f9b65e9cc53206321","source":{"kind":"arxiv","id":"1806.09284","version":1},"attestation_state":"computed","paper":{"title":"Two Pressure-induced Superconducting Transitions in SnBi$_2$Se$_4$ Explored by Data-driven Materials Search: New Approach to Develop Novel Functional Materials Including Thermoelectric and Superconducting Materials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Hiroshi Hara, Hiroyuki Takeya, Kiyoyuki Terakura, Ryo Matsumoto, Shintaro Adachi, Yoshihiko Takano, Zhufeng Hou","submitted_at":"2018-06-25T04:47:14Z","abstract_excerpt":"Candidates for new thermoelectric and superconducting materials, which have narrow band gap and flat bands near band edges, were searched by the high-throughput first-principles calculation from an inorganic materials database. The synthesized SnBi$_2$Se$_4$ among the target compounds showed a narrow band gap of 354 meV, and a thermal conductivity of 1 W/Km at ambient pressure. The sample SnBi$_2$Se$_4$ showed a metal-insulator transition at 11.1 GPa, as predicted by a theoretical estimation. Furthermore, the two pressure-induced superconducting transitions were discovered at under 20.2 GPa an"},"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":"1806.09284","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-06-25T04:47:14Z","cross_cats_sorted":[],"title_canon_sha256":"d92128bcc9aa27891e7f10692f27dc68c9c890b561ae91524f28eb845a918d0f","abstract_canon_sha256":"4023d9b71f095ed51ac6b81d274e06267312480ba0c497ee35ca8322122e7308"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:07:23.364628Z","signature_b64":"6H/BkvzhwB5nucp7Lhm19A1/4FythaPS2H8M6sXQDeABHOZBNNW7Aatakr8ZIMlTA3aVPOG7uIb6S1QvI2gLCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b1833eaa630b87e4b1d882d234f159de8cb3a90a4cb2074f9b65e9cc53206321","last_reissued_at":"2026-05-18T00:07:23.364043Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:07:23.364043Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Two Pressure-induced Superconducting Transitions in SnBi$_2$Se$_4$ Explored by Data-driven Materials Search: New Approach to Develop Novel Functional Materials Including Thermoelectric and Superconducting Materials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Hiroshi Hara, Hiroyuki Takeya, Kiyoyuki Terakura, Ryo Matsumoto, Shintaro Adachi, Yoshihiko Takano, Zhufeng Hou","submitted_at":"2018-06-25T04:47:14Z","abstract_excerpt":"Candidates for new thermoelectric and superconducting materials, which have narrow band gap and flat bands near band edges, were searched by the high-throughput first-principles calculation from an inorganic materials database. The synthesized SnBi$_2$Se$_4$ among the target compounds showed a narrow band gap of 354 meV, and a thermal conductivity of 1 W/Km at ambient pressure. The sample SnBi$_2$Se$_4$ showed a metal-insulator transition at 11.1 GPa, as predicted by a theoretical estimation. Furthermore, the two pressure-induced superconducting transitions were discovered at under 20.2 GPa an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.09284","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":"1806.09284","created_at":"2026-05-18T00:07:23.364136+00:00"},{"alias_kind":"arxiv_version","alias_value":"1806.09284v1","created_at":"2026-05-18T00:07:23.364136+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.09284","created_at":"2026-05-18T00:07:23.364136+00:00"},{"alias_kind":"pith_short_12","alias_value":"WGBT5KTDBOD6","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_16","alias_value":"WGBT5KTDBOD6JMOY","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_8","alias_value":"WGBT5KTD","created_at":"2026-05-18T12:32:59.047623+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/WGBT5KTDBOD6JMOYQLJDJ4KZ32","json":"https://pith.science/pith/WGBT5KTDBOD6JMOYQLJDJ4KZ32.json","graph_json":"https://pith.science/api/pith-number/WGBT5KTDBOD6JMOYQLJDJ4KZ32/graph.json","events_json":"https://pith.science/api/pith-number/WGBT5KTDBOD6JMOYQLJDJ4KZ32/events.json","paper":"https://pith.science/paper/WGBT5KTD"},"agent_actions":{"view_html":"https://pith.science/pith/WGBT5KTDBOD6JMOYQLJDJ4KZ32","download_json":"https://pith.science/pith/WGBT5KTDBOD6JMOYQLJDJ4KZ32.json","view_paper":"https://pith.science/paper/WGBT5KTD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1806.09284&json=true","fetch_graph":"https://pith.science/api/pith-number/WGBT5KTDBOD6JMOYQLJDJ4KZ32/graph.json","fetch_events":"https://pith.science/api/pith-number/WGBT5KTDBOD6JMOYQLJDJ4KZ32/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WGBT5KTDBOD6JMOYQLJDJ4KZ32/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WGBT5KTDBOD6JMOYQLJDJ4KZ32/action/storage_attestation","attest_author":"https://pith.science/pith/WGBT5KTDBOD6JMOYQLJDJ4KZ32/action/author_attestation","sign_citation":"https://pith.science/pith/WGBT5KTDBOD6JMOYQLJDJ4KZ32/action/citation_signature","submit_replication":"https://pith.science/pith/WGBT5KTDBOD6JMOYQLJDJ4KZ32/action/replication_record"}},"created_at":"2026-05-18T00:07:23.364136+00:00","updated_at":"2026-05-18T00:07:23.364136+00:00"}