{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:PCZ2PXSRNUYTPSEP4IZOXMALTU","short_pith_number":"pith:PCZ2PXSR","schema_version":"1.0","canonical_sha256":"78b3a7de516d3137c88fe232ebb00b9d22611c70f25980c7d1f14ff37a72bf9d","source":{"kind":"arxiv","id":"1009.2925","version":1},"attestation_state":"computed","paper":{"title":"Evidence of precursor superconductivity as high as 180 K from infrared spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. Dubroka, A. Schafgans, B. Keimer, C. Bernhard, C.T. Lin, D. Haug, D. Munzar, D.N. Basov, J.G. Storey, J.L. Tallon, K.W. Kim, M. Roessle, S.J. Moon, Th. Wolf, V. Hinkov, V.K. Malik","submitted_at":"2010-09-15T13:50:44Z","abstract_excerpt":"We show that a multilayer analysis of the infrared c-axis response of RBa2Cu3O7-d (R=Y, Gd, Eu) provides important new information about the anomalous normal state properties of underdoped cuprate high temperature superconductors. Besides competing correlations which give rise to a pseudogap that depletes the low-energy electronic states below T*>>Tc, it enables us to identify the onset of a precursor superconducting state below Tons>Tc. We map out the doping phase diagram of Tons which reaches a maximum of ~180 K at strong underdoping and present magnetic field dependent data which confirm ou"},"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":"1009.2925","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-09-15T13:50:44Z","cross_cats_sorted":[],"title_canon_sha256":"7d2879f4d1a08280841c2222273b9ac9ccb050b5447125889ebe3850021c5ae9","abstract_canon_sha256":"9bfa5350768f9a08a32308314d1f6bccd2fe86b25c2f6a4b268d9987c9c30877"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:01:00.042127Z","signature_b64":"gq7PozaUNpUp28Or1VXhSjw3n2s+rcycisUjQ2CcYUWyVGKQO70IgqMW8cipZwH75ROTaZ7Lx1SFRsjWGW1UAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"78b3a7de516d3137c88fe232ebb00b9d22611c70f25980c7d1f14ff37a72bf9d","last_reissued_at":"2026-05-18T04:01:00.041459Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:01:00.041459Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Evidence of precursor superconductivity as high as 180 K from infrared spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. Dubroka, A. Schafgans, B. Keimer, C. Bernhard, C.T. Lin, D. Haug, D. Munzar, D.N. Basov, J.G. Storey, J.L. Tallon, K.W. Kim, M. Roessle, S.J. Moon, Th. Wolf, V. Hinkov, V.K. Malik","submitted_at":"2010-09-15T13:50:44Z","abstract_excerpt":"We show that a multilayer analysis of the infrared c-axis response of RBa2Cu3O7-d (R=Y, Gd, Eu) provides important new information about the anomalous normal state properties of underdoped cuprate high temperature superconductors. Besides competing correlations which give rise to a pseudogap that depletes the low-energy electronic states below T*>>Tc, it enables us to identify the onset of a precursor superconducting state below Tons>Tc. We map out the doping phase diagram of Tons which reaches a maximum of ~180 K at strong underdoping and present magnetic field dependent data which confirm ou"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.2925","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":"1009.2925","created_at":"2026-05-18T04:01:00.041561+00:00"},{"alias_kind":"arxiv_version","alias_value":"1009.2925v1","created_at":"2026-05-18T04:01:00.041561+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.2925","created_at":"2026-05-18T04:01:00.041561+00:00"},{"alias_kind":"pith_short_12","alias_value":"PCZ2PXSRNUYT","created_at":"2026-05-18T12:26:12.377268+00:00"},{"alias_kind":"pith_short_16","alias_value":"PCZ2PXSRNUYTPSEP","created_at":"2026-05-18T12:26:12.377268+00:00"},{"alias_kind":"pith_short_8","alias_value":"PCZ2PXSR","created_at":"2026-05-18T12:26:12.377268+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/PCZ2PXSRNUYTPSEP4IZOXMALTU","json":"https://pith.science/pith/PCZ2PXSRNUYTPSEP4IZOXMALTU.json","graph_json":"https://pith.science/api/pith-number/PCZ2PXSRNUYTPSEP4IZOXMALTU/graph.json","events_json":"https://pith.science/api/pith-number/PCZ2PXSRNUYTPSEP4IZOXMALTU/events.json","paper":"https://pith.science/paper/PCZ2PXSR"},"agent_actions":{"view_html":"https://pith.science/pith/PCZ2PXSRNUYTPSEP4IZOXMALTU","download_json":"https://pith.science/pith/PCZ2PXSRNUYTPSEP4IZOXMALTU.json","view_paper":"https://pith.science/paper/PCZ2PXSR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1009.2925&json=true","fetch_graph":"https://pith.science/api/pith-number/PCZ2PXSRNUYTPSEP4IZOXMALTU/graph.json","fetch_events":"https://pith.science/api/pith-number/PCZ2PXSRNUYTPSEP4IZOXMALTU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PCZ2PXSRNUYTPSEP4IZOXMALTU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PCZ2PXSRNUYTPSEP4IZOXMALTU/action/storage_attestation","attest_author":"https://pith.science/pith/PCZ2PXSRNUYTPSEP4IZOXMALTU/action/author_attestation","sign_citation":"https://pith.science/pith/PCZ2PXSRNUYTPSEP4IZOXMALTU/action/citation_signature","submit_replication":"https://pith.science/pith/PCZ2PXSRNUYTPSEP4IZOXMALTU/action/replication_record"}},"created_at":"2026-05-18T04:01:00.041561+00:00","updated_at":"2026-05-18T04:01:00.041561+00:00"}