{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:FPT7LSCWN3T26SFHUIV45GFVZY","short_pith_number":"pith:FPT7LSCW","schema_version":"1.0","canonical_sha256":"2be7f5c8566ee7af48a7a22bce98b5ce173d1f3019e2ba2d9d712b73380f5717","source":{"kind":"arxiv","id":"1708.08252","version":2},"attestation_state":"computed","paper":{"title":"Indication of unconventional superconductivity in layered bismuth chalcogenide superconductor LaO0.6F0.4Bi(S,Se)2 revealed by Se isotope effect","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Kazuhisa Hoshi, Yoshikazu Mizuguchi, Yosuke Goto","submitted_at":"2017-08-28T09:43:53Z","abstract_excerpt":"We have investigated the Se isotope effect in layered bismuth chalcogenide (BiCh2-based) superconductor LaO0.6F0.4Bi(S,Se)2 with 76Se and 80Se. For all examined samples, the Se concentration, which is linked to the superconducting properties, is successfully controlled within x = 1.09-1.14 in LaO0.6F0.4BiS2-xSex. From the magnetization and electrical resistivity measurements, changes in Tc are not observed for the LaO0.6F0.4Bi(S,Se)2 samples with 76Se and 80Se isotopes. Our results suggest that pairing in the BiCh2-based superconductors is not mediated by phonons, and unconventional supercondu"},"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":"1708.08252","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2017-08-28T09:43:53Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"af41ded31fd3ac1ec53ae4d0cd4ad07f05d8ee231b7109f320b73535bd66d1b6","abstract_canon_sha256":"c7c736697ec5289b2d3123be8b5c9bac25a071ef3baa9654fc6e95bebb123655"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:20:39.172513Z","signature_b64":"QnF4bctfG2RuiG4KNZEeBvURtDhednUdZtmj4Fb78GYTxm9Mb/IUGfPjzmsqV+pV4AWTiVAHVZcLj0oJsWdcCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2be7f5c8566ee7af48a7a22bce98b5ce173d1f3019e2ba2d9d712b73380f5717","last_reissued_at":"2026-05-18T00:20:39.171822Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:20:39.171822Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Indication of unconventional superconductivity in layered bismuth chalcogenide superconductor LaO0.6F0.4Bi(S,Se)2 revealed by Se isotope effect","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Kazuhisa Hoshi, Yoshikazu Mizuguchi, Yosuke Goto","submitted_at":"2017-08-28T09:43:53Z","abstract_excerpt":"We have investigated the Se isotope effect in layered bismuth chalcogenide (BiCh2-based) superconductor LaO0.6F0.4Bi(S,Se)2 with 76Se and 80Se. For all examined samples, the Se concentration, which is linked to the superconducting properties, is successfully controlled within x = 1.09-1.14 in LaO0.6F0.4BiS2-xSex. From the magnetization and electrical resistivity measurements, changes in Tc are not observed for the LaO0.6F0.4Bi(S,Se)2 samples with 76Se and 80Se isotopes. Our results suggest that pairing in the BiCh2-based superconductors is not mediated by phonons, and unconventional supercondu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.08252","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":"1708.08252","created_at":"2026-05-18T00:20:39.171935+00:00"},{"alias_kind":"arxiv_version","alias_value":"1708.08252v2","created_at":"2026-05-18T00:20:39.171935+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.08252","created_at":"2026-05-18T00:20:39.171935+00:00"},{"alias_kind":"pith_short_12","alias_value":"FPT7LSCWN3T2","created_at":"2026-05-18T12:31:15.632608+00:00"},{"alias_kind":"pith_short_16","alias_value":"FPT7LSCWN3T26SFH","created_at":"2026-05-18T12:31:15.632608+00:00"},{"alias_kind":"pith_short_8","alias_value":"FPT7LSCW","created_at":"2026-05-18T12:31:15.632608+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/FPT7LSCWN3T26SFHUIV45GFVZY","json":"https://pith.science/pith/FPT7LSCWN3T26SFHUIV45GFVZY.json","graph_json":"https://pith.science/api/pith-number/FPT7LSCWN3T26SFHUIV45GFVZY/graph.json","events_json":"https://pith.science/api/pith-number/FPT7LSCWN3T26SFHUIV45GFVZY/events.json","paper":"https://pith.science/paper/FPT7LSCW"},"agent_actions":{"view_html":"https://pith.science/pith/FPT7LSCWN3T26SFHUIV45GFVZY","download_json":"https://pith.science/pith/FPT7LSCWN3T26SFHUIV45GFVZY.json","view_paper":"https://pith.science/paper/FPT7LSCW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1708.08252&json=true","fetch_graph":"https://pith.science/api/pith-number/FPT7LSCWN3T26SFHUIV45GFVZY/graph.json","fetch_events":"https://pith.science/api/pith-number/FPT7LSCWN3T26SFHUIV45GFVZY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FPT7LSCWN3T26SFHUIV45GFVZY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FPT7LSCWN3T26SFHUIV45GFVZY/action/storage_attestation","attest_author":"https://pith.science/pith/FPT7LSCWN3T26SFHUIV45GFVZY/action/author_attestation","sign_citation":"https://pith.science/pith/FPT7LSCWN3T26SFHUIV45GFVZY/action/citation_signature","submit_replication":"https://pith.science/pith/FPT7LSCWN3T26SFHUIV45GFVZY/action/replication_record"}},"created_at":"2026-05-18T00:20:39.171935+00:00","updated_at":"2026-05-18T00:20:39.171935+00:00"}