{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:VKPFWMZW5NZ7NQDKCONIGFIUKI","short_pith_number":"pith:VKPFWMZW","schema_version":"1.0","canonical_sha256":"aa9e5b3336eb73f6c06a139a8315145200cd86038ae95c10f0a3394699202d17","source":{"kind":"arxiv","id":"1012.4950","version":1},"attestation_state":"computed","paper":{"title":"Transport properties of the new Fe-based superconductor KxFe2Se2 (Tc = 33 K)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Hiroyuki Takeya, Shunsuke Tsuda, Takahide Yamaguchi, Toshinori Ozaki, Yasuna Kawasaki, Yoshihiko Takano, Yoshikazu Mizuguchi","submitted_at":"2010-12-22T12:11:45Z","abstract_excerpt":"We synthesized the new Fe-based superconductor K0.8Fe2Se2 single crystals. The obtained single crystal exhibited a sharp superconducting transition, and the onset and zero-resistivity temperature was estimated to be 33 and 31.8 K, respectively. A high upper critical field of 192 T was obtained. Anisotropy of superconductivity of K0.8Fe2Se2 was ~3.6. Both the high upper critical field and comparably low anisotropy are advantageous for the application under high magnetic field."},"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":"1012.4950","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-12-22T12:11:45Z","cross_cats_sorted":[],"title_canon_sha256":"99bcb352da4c307974a0d4e9d7fe38b84f866eea77d5fa6c12cf1fdb89865ff6","abstract_canon_sha256":"7fc737a703c66ca8eb9b23b514ece6c4daea0bf24cdaa5d9120b0f6d0a52f27f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:30:25.331851Z","signature_b64":"xY9Q/6K+ZjaCVBABs3f2TyogjnHni3+fuDJ5XynkKaw4JXLQFyG1S1hbTwEPHal1ASLhPUG9FmKqtze+/aIfDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa9e5b3336eb73f6c06a139a8315145200cd86038ae95c10f0a3394699202d17","last_reissued_at":"2026-05-18T04:30:25.331362Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:30:25.331362Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Transport properties of the new Fe-based superconductor KxFe2Se2 (Tc = 33 K)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Hiroyuki Takeya, Shunsuke Tsuda, Takahide Yamaguchi, Toshinori Ozaki, Yasuna Kawasaki, Yoshihiko Takano, Yoshikazu Mizuguchi","submitted_at":"2010-12-22T12:11:45Z","abstract_excerpt":"We synthesized the new Fe-based superconductor K0.8Fe2Se2 single crystals. The obtained single crystal exhibited a sharp superconducting transition, and the onset and zero-resistivity temperature was estimated to be 33 and 31.8 K, respectively. A high upper critical field of 192 T was obtained. Anisotropy of superconductivity of K0.8Fe2Se2 was ~3.6. Both the high upper critical field and comparably low anisotropy are advantageous for the application under high magnetic field."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.4950","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":"1012.4950","created_at":"2026-05-18T04:30:25.331440+00:00"},{"alias_kind":"arxiv_version","alias_value":"1012.4950v1","created_at":"2026-05-18T04:30:25.331440+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.4950","created_at":"2026-05-18T04:30:25.331440+00:00"},{"alias_kind":"pith_short_12","alias_value":"VKPFWMZW5NZ7","created_at":"2026-05-18T12:26:15.391820+00:00"},{"alias_kind":"pith_short_16","alias_value":"VKPFWMZW5NZ7NQDK","created_at":"2026-05-18T12:26:15.391820+00:00"},{"alias_kind":"pith_short_8","alias_value":"VKPFWMZW","created_at":"2026-05-18T12:26:15.391820+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/VKPFWMZW5NZ7NQDKCONIGFIUKI","json":"https://pith.science/pith/VKPFWMZW5NZ7NQDKCONIGFIUKI.json","graph_json":"https://pith.science/api/pith-number/VKPFWMZW5NZ7NQDKCONIGFIUKI/graph.json","events_json":"https://pith.science/api/pith-number/VKPFWMZW5NZ7NQDKCONIGFIUKI/events.json","paper":"https://pith.science/paper/VKPFWMZW"},"agent_actions":{"view_html":"https://pith.science/pith/VKPFWMZW5NZ7NQDKCONIGFIUKI","download_json":"https://pith.science/pith/VKPFWMZW5NZ7NQDKCONIGFIUKI.json","view_paper":"https://pith.science/paper/VKPFWMZW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1012.4950&json=true","fetch_graph":"https://pith.science/api/pith-number/VKPFWMZW5NZ7NQDKCONIGFIUKI/graph.json","fetch_events":"https://pith.science/api/pith-number/VKPFWMZW5NZ7NQDKCONIGFIUKI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VKPFWMZW5NZ7NQDKCONIGFIUKI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VKPFWMZW5NZ7NQDKCONIGFIUKI/action/storage_attestation","attest_author":"https://pith.science/pith/VKPFWMZW5NZ7NQDKCONIGFIUKI/action/author_attestation","sign_citation":"https://pith.science/pith/VKPFWMZW5NZ7NQDKCONIGFIUKI/action/citation_signature","submit_replication":"https://pith.science/pith/VKPFWMZW5NZ7NQDKCONIGFIUKI/action/replication_record"}},"created_at":"2026-05-18T04:30:25.331440+00:00","updated_at":"2026-05-18T04:30:25.331440+00:00"}