{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2006:D4HDJXCKATCIBNPPDRIFWT2L4N","short_pith_number":"pith:D4HDJXCK","schema_version":"1.0","canonical_sha256":"1f0e34dc4a04c480b5ef1c505b4f4be343fe2bc2d3d6e11f8bc45b2fef197038","source":{"kind":"arxiv","id":"cond-mat/0602476","version":1},"attestation_state":"computed","paper":{"title":"Evidence of s-wave pairing symmetry in layered superconductor Li$_{0.68}$NbO$_2$ from the specific heat measurement","license":"","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"D. Jin, G. T. Liu, J. L. Luo, N. L. Wang, T. Xiang, Y. Q. Guo, Z. Li","submitted_at":"2006-02-21T01:22:11Z","abstract_excerpt":"A high quality superconducting Li$_{0.68}$NbO$_2$ polycrystalline sample was synthesized by deintercalation of Li ions from Li$_{0.93}$NbO$_2$. The field dependent resistivity and specific heat were measured down to 0.5 K. The upper critical field $H_{c2} (T)$ is deduced from the resistivity data and $H_{c2}(0)$ is estimated to be $\\sim 2.98$ T. A notable specific heat jump is observed at the superconducting transition temperature $T_c \\sim 5.0$ K at zero field. Below $T_c$, the electronic specific heat shows a thermal activated behavior and agrees well with the theoretical result of the BCS s"},"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/0602476","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2006-02-21T01:22:11Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"e73106abfbe693b754b3779946207d1a3ddbacc9810ebc9b3ebe33644dada465","abstract_canon_sha256":"b195823e981eb140424d7cfb77b02f5673b6cf8a3f9f12cbf420cb9b9cd4b59a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:00:07.620763Z","signature_b64":"zso3EMXFNxBPcag3+hvpj5ezJDt6y8XHo/C0fsxD3FKNwmGRAxay7xngfnck1SCyIltliaWkxSRiFBeWw67TDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1f0e34dc4a04c480b5ef1c505b4f4be343fe2bc2d3d6e11f8bc45b2fef197038","last_reissued_at":"2026-07-04T17:00:07.620382Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:00:07.620382Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Evidence of s-wave pairing symmetry in layered superconductor Li$_{0.68}$NbO$_2$ from the specific heat measurement","license":"","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"D. Jin, G. T. Liu, J. L. Luo, N. L. Wang, T. Xiang, Y. Q. Guo, Z. Li","submitted_at":"2006-02-21T01:22:11Z","abstract_excerpt":"A high quality superconducting Li$_{0.68}$NbO$_2$ polycrystalline sample was synthesized by deintercalation of Li ions from Li$_{0.93}$NbO$_2$. The field dependent resistivity and specific heat were measured down to 0.5 K. The upper critical field $H_{c2} (T)$ is deduced from the resistivity data and $H_{c2}(0)$ is estimated to be $\\sim 2.98$ T. A notable specific heat jump is observed at the superconducting transition temperature $T_c \\sim 5.0$ K at zero field. Below $T_c$, the electronic specific heat shows a thermal activated behavior and agrees well with the theoretical result of the BCS s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0602476","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/cond-mat/0602476/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":"cond-mat/0602476","created_at":"2026-07-04T17:00:07.620434+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0602476v1","created_at":"2026-07-04T17:00:07.620434+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0602476","created_at":"2026-07-04T17:00:07.620434+00:00"},{"alias_kind":"pith_short_12","alias_value":"D4HDJXCKATCI","created_at":"2026-07-04T17:00:07.620434+00:00"},{"alias_kind":"pith_short_16","alias_value":"D4HDJXCKATCIBNPP","created_at":"2026-07-04T17:00:07.620434+00:00"},{"alias_kind":"pith_short_8","alias_value":"D4HDJXCK","created_at":"2026-07-04T17:00:07.620434+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/D4HDJXCKATCIBNPPDRIFWT2L4N","json":"https://pith.science/pith/D4HDJXCKATCIBNPPDRIFWT2L4N.json","graph_json":"https://pith.science/api/pith-number/D4HDJXCKATCIBNPPDRIFWT2L4N/graph.json","events_json":"https://pith.science/api/pith-number/D4HDJXCKATCIBNPPDRIFWT2L4N/events.json","paper":"https://pith.science/paper/D4HDJXCK"},"agent_actions":{"view_html":"https://pith.science/pith/D4HDJXCKATCIBNPPDRIFWT2L4N","download_json":"https://pith.science/pith/D4HDJXCKATCIBNPPDRIFWT2L4N.json","view_paper":"https://pith.science/paper/D4HDJXCK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0602476&json=true","fetch_graph":"https://pith.science/api/pith-number/D4HDJXCKATCIBNPPDRIFWT2L4N/graph.json","fetch_events":"https://pith.science/api/pith-number/D4HDJXCKATCIBNPPDRIFWT2L4N/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/D4HDJXCKATCIBNPPDRIFWT2L4N/action/timestamp_anchor","attest_storage":"https://pith.science/pith/D4HDJXCKATCIBNPPDRIFWT2L4N/action/storage_attestation","attest_author":"https://pith.science/pith/D4HDJXCKATCIBNPPDRIFWT2L4N/action/author_attestation","sign_citation":"https://pith.science/pith/D4HDJXCKATCIBNPPDRIFWT2L4N/action/citation_signature","submit_replication":"https://pith.science/pith/D4HDJXCKATCIBNPPDRIFWT2L4N/action/replication_record"}},"created_at":"2026-07-04T17:00:07.620434+00:00","updated_at":"2026-07-04T17:00:07.620434+00:00"}