{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:X44C24XVALDJJOUEUHGY7EZPLA","short_pith_number":"pith:X44C24XV","schema_version":"1.0","canonical_sha256":"bf382d72f502c694ba84a1cd8f932f5838377b2427ef9cccdc3b5421e9c21412","source":{"kind":"arxiv","id":"1507.07542","version":3},"attestation_state":"computed","paper":{"title":"Finite-temperature quantum fluctuations in two-dimensional Fermi superfluids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"G. Bighin, L. Salasnich","submitted_at":"2015-07-27T19:49:23Z","abstract_excerpt":"In two-dimensional systems with a continuous symmetry the Mermin-Wagner-Hohenberg theorem precludes spontaneous symmetry breaking and condensation at finite temperature. The Berezinskii-Kosterlitz-Thouless critical temperature marks the transition from a superfluid phase characterized by quasi-condensation and algebraic long-range order to a normal phase, where vortex proliferation completely destroys superfluidity. As opposed to conventional off-diagonal long-range order typical of three-dimensional superfluid systems, algebraic long-range order is driven by quantum and thermal fluctuations 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":"1507.07542","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-07-27T19:49:23Z","cross_cats_sorted":[],"title_canon_sha256":"a9dd44e5cac493768162035ca78932cea4e2266277ad10fedabd92f56b4bbd4e","abstract_canon_sha256":"c13d35dfaadc80efb72a0107128531838eb857a10c79aed168cb5951fbd60615"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:21:23.631868Z","signature_b64":"GvXeBgb1sw2lt2p9TQVpPqAsSTqm0jzLd+HrkW0rNJkSGrl7awsI7o8HpdapMAZhSP66GpZcIrvFQoyg4TyOBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bf382d72f502c694ba84a1cd8f932f5838377b2427ef9cccdc3b5421e9c21412","last_reissued_at":"2026-05-18T01:21:23.631244Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:21:23.631244Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Finite-temperature quantum fluctuations in two-dimensional Fermi superfluids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"G. Bighin, L. Salasnich","submitted_at":"2015-07-27T19:49:23Z","abstract_excerpt":"In two-dimensional systems with a continuous symmetry the Mermin-Wagner-Hohenberg theorem precludes spontaneous symmetry breaking and condensation at finite temperature. The Berezinskii-Kosterlitz-Thouless critical temperature marks the transition from a superfluid phase characterized by quasi-condensation and algebraic long-range order to a normal phase, where vortex proliferation completely destroys superfluidity. As opposed to conventional off-diagonal long-range order typical of three-dimensional superfluid systems, algebraic long-range order is driven by quantum and thermal fluctuations s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.07542","kind":"arxiv","version":3},"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":"1507.07542","created_at":"2026-05-18T01:21:23.631364+00:00"},{"alias_kind":"arxiv_version","alias_value":"1507.07542v3","created_at":"2026-05-18T01:21:23.631364+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.07542","created_at":"2026-05-18T01:21:23.631364+00:00"},{"alias_kind":"pith_short_12","alias_value":"X44C24XVALDJ","created_at":"2026-05-18T12:29:47.479230+00:00"},{"alias_kind":"pith_short_16","alias_value":"X44C24XVALDJJOUE","created_at":"2026-05-18T12:29:47.479230+00:00"},{"alias_kind":"pith_short_8","alias_value":"X44C24XV","created_at":"2026-05-18T12:29:47.479230+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/X44C24XVALDJJOUEUHGY7EZPLA","json":"https://pith.science/pith/X44C24XVALDJJOUEUHGY7EZPLA.json","graph_json":"https://pith.science/api/pith-number/X44C24XVALDJJOUEUHGY7EZPLA/graph.json","events_json":"https://pith.science/api/pith-number/X44C24XVALDJJOUEUHGY7EZPLA/events.json","paper":"https://pith.science/paper/X44C24XV"},"agent_actions":{"view_html":"https://pith.science/pith/X44C24XVALDJJOUEUHGY7EZPLA","download_json":"https://pith.science/pith/X44C24XVALDJJOUEUHGY7EZPLA.json","view_paper":"https://pith.science/paper/X44C24XV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1507.07542&json=true","fetch_graph":"https://pith.science/api/pith-number/X44C24XVALDJJOUEUHGY7EZPLA/graph.json","fetch_events":"https://pith.science/api/pith-number/X44C24XVALDJJOUEUHGY7EZPLA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/X44C24XVALDJJOUEUHGY7EZPLA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/X44C24XVALDJJOUEUHGY7EZPLA/action/storage_attestation","attest_author":"https://pith.science/pith/X44C24XVALDJJOUEUHGY7EZPLA/action/author_attestation","sign_citation":"https://pith.science/pith/X44C24XVALDJJOUEUHGY7EZPLA/action/citation_signature","submit_replication":"https://pith.science/pith/X44C24XVALDJJOUEUHGY7EZPLA/action/replication_record"}},"created_at":"2026-05-18T01:21:23.631364+00:00","updated_at":"2026-05-18T01:21:23.631364+00:00"}