{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:HVFR5HNNEKPUGR7YGZJCNINODR","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"5949a9e3c40289475278499add8fd59da631b303f60f6f9d9d1140ec46111140","cross_cats_sorted":["cond-mat.str-el"],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1999-08-01T14:06:13Z","title_canon_sha256":"0f34191d3b434a5ee7d8cbecba4b539074abd275d06b050b2861b997f40ee71c"},"schema_version":"1.0","source":{"id":"cond-mat/9908011","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9908011","created_at":"2026-07-04T16:13:07Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9908011v1","created_at":"2026-07-04T16:13:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9908011","created_at":"2026-07-04T16:13:07Z"},{"alias_kind":"pith_short_12","alias_value":"HVFR5HNNEKPU","created_at":"2026-07-04T16:13:07Z"},{"alias_kind":"pith_short_16","alias_value":"HVFR5HNNEKPUGR7Y","created_at":"2026-07-04T16:13:07Z"},{"alias_kind":"pith_short_8","alias_value":"HVFR5HNN","created_at":"2026-07-04T16:13:07Z"}],"graph_snapshots":[{"event_id":"sha256:b50c30fd8f6af44bba270534be1ade1fcc01fd396aa595aedea94d5a7f95d311","target":"graph","created_at":"2026-07-04T16:13:07Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/cond-mat/9908011/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the superconducting transition temperature and the electronic properties of the metallic phase of $\\kappa$-type (BEDT-TTF)$_2$X which shows unconventional properties in experiments, on the basis of the third order perturbation theory for a simple effective Hubbard model of a nearly triangular lattice. Appropriate transition temperatures and $d_{x^2-y^2}$ symmetry of the gap function are obtained in good agreement with experimental results. We also calculate the transition temperature by the fluctuation-exchange approximation(FLEX) in order to compare the two approaches; FLEX gives hig","authors_text":"K. Yamada, S. Koikegami, T. Jujo","cross_cats":["cond-mat.str-el"],"headline":"","license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1999-08-01T14:06:13Z","title":"Perturbation Theory on the Transition Temperature and Electronic Properties of Organic Superconductor"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9908011","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:84eb34fc3623c9d621954f474101d5c67e7edd638e98905647a93c746a836de7","target":"record","created_at":"2026-07-04T16:13:07Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"5949a9e3c40289475278499add8fd59da631b303f60f6f9d9d1140ec46111140","cross_cats_sorted":["cond-mat.str-el"],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1999-08-01T14:06:13Z","title_canon_sha256":"0f34191d3b434a5ee7d8cbecba4b539074abd275d06b050b2861b997f40ee71c"},"schema_version":"1.0","source":{"id":"cond-mat/9908011","kind":"arxiv","version":1}},"canonical_sha256":"3d4b1e9dad229f4347f8365226a1ae1c589bbe7e8654e8d2ebb9335ed6301d51","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3d4b1e9dad229f4347f8365226a1ae1c589bbe7e8654e8d2ebb9335ed6301d51","first_computed_at":"2026-07-04T16:13:07.106999Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:13:07.106999Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PdvqHQmo0l5OoIjxrWReA6cbLKKq2LwqqCuBGEtez6o5RWw5YXa7Wc52IqLWCpJhA37QNouTMz1x0RUOhvIiBQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:13:07.107424Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9908011","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:84eb34fc3623c9d621954f474101d5c67e7edd638e98905647a93c746a836de7","sha256:b50c30fd8f6af44bba270534be1ade1fcc01fd396aa595aedea94d5a7f95d311"],"state_sha256":"d98b61e845f8383f37120ea3d2765aeada1b4647d33e8417ecef7aef1a6e6354"}