{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2004:RWFF32JEZZSRPRYMQLXECNXQRX","short_pith_number":"pith:RWFF32JE","schema_version":"1.0","canonical_sha256":"8d8a5de924ce6517c70c82ee4136f08df96f09658ed9fb8bfa6042ed0972c877","source":{"kind":"arxiv","id":"cond-mat/0409368","version":2},"attestation_state":"computed","paper":{"title":"The Lifshitz Transition in d-wave Superconductors","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"C. A. R. S\\'a de Melo, S. S. Botelho","submitted_at":"2004-09-14T21:05:29Z","abstract_excerpt":"The BCS to BEC evolution has been recently the focus of studies in superconductors and cold atomic gases. For a d-wave system, we show that a Lifshitz transition occurs at a critical particle density which separates two topologically distinct phases: a BCS-like gapless superconductor/superfluid in the higher density limit and a BEC-like fully gapped superconductor/superfluid in the lower density limit. This transition is second order according to Ehrenfest's classification, but it occurs without a change in the symmetry of the order parameter, and thus can not be classified under Landau's sche"},"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/0409368","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2004-09-14T21:05:29Z","cross_cats_sorted":[],"title_canon_sha256":"71440d1af4671d14096f3083a7d314fb8c2aad200c260f13f8481fee6dbeb67d","abstract_canon_sha256":"738eea78a572cac1875ae627fdfa8ca4b18f19de3164ab775a94d3da1bad2062"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:09:02.123452Z","signature_b64":"DeUD49L+D4WR+sVm/131SGibf09uVESGyCEZh+Sdcign0jXyddOl0j32z1fUs4g7l3lhAnON0AYXHuI7+1oIAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8d8a5de924ce6517c70c82ee4136f08df96f09658ed9fb8bfa6042ed0972c877","last_reissued_at":"2026-05-18T01:09:02.122863Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:09:02.122863Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Lifshitz Transition in d-wave Superconductors","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"C. A. R. S\\'a de Melo, S. S. Botelho","submitted_at":"2004-09-14T21:05:29Z","abstract_excerpt":"The BCS to BEC evolution has been recently the focus of studies in superconductors and cold atomic gases. For a d-wave system, we show that a Lifshitz transition occurs at a critical particle density which separates two topologically distinct phases: a BCS-like gapless superconductor/superfluid in the higher density limit and a BEC-like fully gapped superconductor/superfluid in the lower density limit. This transition is second order according to Ehrenfest's classification, but it occurs without a change in the symmetry of the order parameter, and thus can not be classified under Landau's sche"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0409368","kind":"arxiv","version":2},"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/0409368","created_at":"2026-05-18T01:09:02.122973+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0409368v2","created_at":"2026-05-18T01:09:02.122973+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0409368","created_at":"2026-05-18T01:09:02.122973+00:00"},{"alias_kind":"pith_short_12","alias_value":"RWFF32JEZZSR","created_at":"2026-05-18T12:25:52.687210+00:00"},{"alias_kind":"pith_short_16","alias_value":"RWFF32JEZZSRPRYM","created_at":"2026-05-18T12:25:52.687210+00:00"},{"alias_kind":"pith_short_8","alias_value":"RWFF32JE","created_at":"2026-05-18T12:25:52.687210+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/RWFF32JEZZSRPRYMQLXECNXQRX","json":"https://pith.science/pith/RWFF32JEZZSRPRYMQLXECNXQRX.json","graph_json":"https://pith.science/api/pith-number/RWFF32JEZZSRPRYMQLXECNXQRX/graph.json","events_json":"https://pith.science/api/pith-number/RWFF32JEZZSRPRYMQLXECNXQRX/events.json","paper":"https://pith.science/paper/RWFF32JE"},"agent_actions":{"view_html":"https://pith.science/pith/RWFF32JEZZSRPRYMQLXECNXQRX","download_json":"https://pith.science/pith/RWFF32JEZZSRPRYMQLXECNXQRX.json","view_paper":"https://pith.science/paper/RWFF32JE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0409368&json=true","fetch_graph":"https://pith.science/api/pith-number/RWFF32JEZZSRPRYMQLXECNXQRX/graph.json","fetch_events":"https://pith.science/api/pith-number/RWFF32JEZZSRPRYMQLXECNXQRX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RWFF32JEZZSRPRYMQLXECNXQRX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RWFF32JEZZSRPRYMQLXECNXQRX/action/storage_attestation","attest_author":"https://pith.science/pith/RWFF32JEZZSRPRYMQLXECNXQRX/action/author_attestation","sign_citation":"https://pith.science/pith/RWFF32JEZZSRPRYMQLXECNXQRX/action/citation_signature","submit_replication":"https://pith.science/pith/RWFF32JEZZSRPRYMQLXECNXQRX/action/replication_record"}},"created_at":"2026-05-18T01:09:02.122973+00:00","updated_at":"2026-05-18T01:09:02.122973+00:00"}