{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2005:APCY4AGG32H63BCXGEQJGC55GC","short_pith_number":"pith:APCY4AGG","schema_version":"1.0","canonical_sha256":"03c58e00c6de8fed84573120930bbd309c9b6ba4967028fc3270ec2b30434091","source":{"kind":"arxiv","id":"cond-mat/0503190","version":4},"attestation_state":"computed","paper":{"title":"Field-enhanced diamagnetism in intense magnetic field in the pseudogap state of the cuprate $\\rm Bi_2Sr_2CaCu_2O_{8+\\delta}","license":"","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"G. D. Gu, Lu Li, M. J. Naughton, N. P. Ong, S. Uchida, Yayu Wang","submitted_at":"2005-03-08T21:56:05Z","abstract_excerpt":"In hole-doped cuprates, Nernst experiments imply that the superconducting state is destroyed by spontaneous creation of vortices which destroy phase coherence. Using torque magnetometry on $\\rm Bi_2Sr_2CaCu_2O_{8+\\delta}$, we uncover a field-enhanced diamagnetic signal $M$ above the transition temperature $T_c$ that increases with applied field to 32 Tesla and scales just like the Nernst signal. The magnetization results above $T_c$ distinguish $M$ from conventional amplitude fluctuations, and strongly support the vortex scenario for the loss of phase coherence at $T_c$."},"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":"cond-mat/0503190","kind":"arxiv","version":4},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2005-03-08T21:56:05Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"157199df43e3449e29380bc68c6cbd307048c108d0cb516f11b22b8eaf9dfd37","abstract_canon_sha256":"623e2cae2ec24198f35583fd0e3fdad0b425a49977da7feb0eec59944467ae6e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:27:04.111886Z","signature_b64":"KBxpSwI9Ciwwqdm/Fd20vDOLR5OXEpv+WiFVlKrACebnIMzODoS+zrhvo+AbD895sI2WoSu7jgNcXHHPzkEcCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"03c58e00c6de8fed84573120930bbd309c9b6ba4967028fc3270ec2b30434091","last_reissued_at":"2026-05-18T04:27:04.111186Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:27:04.111186Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Field-enhanced diamagnetism in intense magnetic field in the pseudogap state of the cuprate $\\rm Bi_2Sr_2CaCu_2O_{8+\\delta}","license":"","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"G. D. Gu, Lu Li, M. J. Naughton, N. P. Ong, S. Uchida, Yayu Wang","submitted_at":"2005-03-08T21:56:05Z","abstract_excerpt":"In hole-doped cuprates, Nernst experiments imply that the superconducting state is destroyed by spontaneous creation of vortices which destroy phase coherence. Using torque magnetometry on $\\rm Bi_2Sr_2CaCu_2O_{8+\\delta}$, we uncover a field-enhanced diamagnetic signal $M$ above the transition temperature $T_c$ that increases with applied field to 32 Tesla and scales just like the Nernst signal. The magnetization results above $T_c$ distinguish $M$ from conventional amplitude fluctuations, and strongly support the vortex scenario for the loss of phase coherence at $T_c$."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0503190","kind":"arxiv","version":4},"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":"cond-mat/0503190","created_at":"2026-05-18T04:27:04.111307+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0503190v4","created_at":"2026-05-18T04:27:04.111307+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0503190","created_at":"2026-05-18T04:27:04.111307+00:00"},{"alias_kind":"pith_short_12","alias_value":"APCY4AGG32H6","created_at":"2026-05-18T12:25:53.335082+00:00"},{"alias_kind":"pith_short_16","alias_value":"APCY4AGG32H63BCX","created_at":"2026-05-18T12:25:53.335082+00:00"},{"alias_kind":"pith_short_8","alias_value":"APCY4AGG","created_at":"2026-05-18T12:25:53.335082+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/APCY4AGG32H63BCXGEQJGC55GC","json":"https://pith.science/pith/APCY4AGG32H63BCXGEQJGC55GC.json","graph_json":"https://pith.science/api/pith-number/APCY4AGG32H63BCXGEQJGC55GC/graph.json","events_json":"https://pith.science/api/pith-number/APCY4AGG32H63BCXGEQJGC55GC/events.json","paper":"https://pith.science/paper/APCY4AGG"},"agent_actions":{"view_html":"https://pith.science/pith/APCY4AGG32H63BCXGEQJGC55GC","download_json":"https://pith.science/pith/APCY4AGG32H63BCXGEQJGC55GC.json","view_paper":"https://pith.science/paper/APCY4AGG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0503190&json=true","fetch_graph":"https://pith.science/api/pith-number/APCY4AGG32H63BCXGEQJGC55GC/graph.json","fetch_events":"https://pith.science/api/pith-number/APCY4AGG32H63BCXGEQJGC55GC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/APCY4AGG32H63BCXGEQJGC55GC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/APCY4AGG32H63BCXGEQJGC55GC/action/storage_attestation","attest_author":"https://pith.science/pith/APCY4AGG32H63BCXGEQJGC55GC/action/author_attestation","sign_citation":"https://pith.science/pith/APCY4AGG32H63BCXGEQJGC55GC/action/citation_signature","submit_replication":"https://pith.science/pith/APCY4AGG32H63BCXGEQJGC55GC/action/replication_record"}},"created_at":"2026-05-18T04:27:04.111307+00:00","updated_at":"2026-05-18T04:27:04.111307+00:00"}