{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:CSBMPGCJVY4U6PNW364VLAL7PA","short_pith_number":"pith:CSBMPGCJ","schema_version":"1.0","canonical_sha256":"1482c79849ae394f3db6dfb955817f7806da2c60be5b2a73dd793f6890076d6a","source":{"kind":"arxiv","id":"0803.0638","version":1},"attestation_state":"computed","paper":{"title":"Doping dependence of the upper critical field in La_{2-x}Sr_xCuO_4 from specific heat","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Hai-Hu Wen, Yue Wang","submitted_at":"2008-03-05T11:42:21Z","abstract_excerpt":"The low-temperature specific heat of La_{2-x}Sr_xCuO_4 (LSCO) single crystals in magnetic field H up to 12 T has been examined over a wide range of doping (0.063=< p =<0.238). From this we have mapped the upper critical field H_{c2} of LSCO across the entire superconducting diagram. It is found that the H_{c2} shows a doping dependence similar to that of the critical temperature T_c. We have discussed the implications of the result and proposed that there may be an effective superconducting energy scale responsible for the H_{c2} behavior in the underdoped region."},"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":"0803.0638","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2008-03-05T11:42:21Z","cross_cats_sorted":[],"title_canon_sha256":"9522d9d7b08a4acdddd27b518c3136f048f670ffa22329298180d5b3c28d5624","abstract_canon_sha256":"e9790dde30c86326cc71ff40d1c77951fd0e5e9c7e7b73e0dd59d52c20ca951c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:09:42.742086Z","signature_b64":"crND9KgyChCd48Gllu1tA6+j38UWC/L3dMMlK3jBUDi23qidQIdEoBtGymk8YqOUjrj2PfaKDIVhqKT9hvlYAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1482c79849ae394f3db6dfb955817f7806da2c60be5b2a73dd793f6890076d6a","last_reissued_at":"2026-07-04T17:09:42.741666Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:09:42.741666Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Doping dependence of the upper critical field in La_{2-x}Sr_xCuO_4 from specific heat","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Hai-Hu Wen, Yue Wang","submitted_at":"2008-03-05T11:42:21Z","abstract_excerpt":"The low-temperature specific heat of La_{2-x}Sr_xCuO_4 (LSCO) single crystals in magnetic field H up to 12 T has been examined over a wide range of doping (0.063=< p =<0.238). From this we have mapped the upper critical field H_{c2} of LSCO across the entire superconducting diagram. It is found that the H_{c2} shows a doping dependence similar to that of the critical temperature T_c. We have discussed the implications of the result and proposed that there may be an effective superconducting energy scale responsible for the H_{c2} behavior in the underdoped region."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0803.0638","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/0803.0638/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":"0803.0638","created_at":"2026-07-04T17:09:42.741733+00:00"},{"alias_kind":"arxiv_version","alias_value":"0803.0638v1","created_at":"2026-07-04T17:09:42.741733+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0803.0638","created_at":"2026-07-04T17:09:42.741733+00:00"},{"alias_kind":"pith_short_12","alias_value":"CSBMPGCJVY4U","created_at":"2026-07-04T17:09:42.741733+00:00"},{"alias_kind":"pith_short_16","alias_value":"CSBMPGCJVY4U6PNW","created_at":"2026-07-04T17:09:42.741733+00:00"},{"alias_kind":"pith_short_8","alias_value":"CSBMPGCJ","created_at":"2026-07-04T17:09:42.741733+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/CSBMPGCJVY4U6PNW364VLAL7PA","json":"https://pith.science/pith/CSBMPGCJVY4U6PNW364VLAL7PA.json","graph_json":"https://pith.science/api/pith-number/CSBMPGCJVY4U6PNW364VLAL7PA/graph.json","events_json":"https://pith.science/api/pith-number/CSBMPGCJVY4U6PNW364VLAL7PA/events.json","paper":"https://pith.science/paper/CSBMPGCJ"},"agent_actions":{"view_html":"https://pith.science/pith/CSBMPGCJVY4U6PNW364VLAL7PA","download_json":"https://pith.science/pith/CSBMPGCJVY4U6PNW364VLAL7PA.json","view_paper":"https://pith.science/paper/CSBMPGCJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0803.0638&json=true","fetch_graph":"https://pith.science/api/pith-number/CSBMPGCJVY4U6PNW364VLAL7PA/graph.json","fetch_events":"https://pith.science/api/pith-number/CSBMPGCJVY4U6PNW364VLAL7PA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CSBMPGCJVY4U6PNW364VLAL7PA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CSBMPGCJVY4U6PNW364VLAL7PA/action/storage_attestation","attest_author":"https://pith.science/pith/CSBMPGCJVY4U6PNW364VLAL7PA/action/author_attestation","sign_citation":"https://pith.science/pith/CSBMPGCJVY4U6PNW364VLAL7PA/action/citation_signature","submit_replication":"https://pith.science/pith/CSBMPGCJVY4U6PNW364VLAL7PA/action/replication_record"}},"created_at":"2026-07-04T17:09:42.741733+00:00","updated_at":"2026-07-04T17:09:42.741733+00:00"}