{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:I2FU6T4VICNPPJK6FTGNBO6ORD","short_pith_number":"pith:I2FU6T4V","schema_version":"1.0","canonical_sha256":"468b4f4f95409af7a55e2cccd0bbce88d9a07d9c90fd5e736bb5c5fbe30e8b07","source":{"kind":"arxiv","id":"1611.00225","version":1},"attestation_state":"computed","paper":{"title":"Quantum fluctuations and vortex-antivortex unbinding in the 2D BCS-BEC crossover","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.quant-gas","authors_text":"G. Bighin, L. Salasnich","submitted_at":"2016-11-01T13:49:32Z","abstract_excerpt":"Very recently quasi two-dimensional (2D) systems made of attractive fermionic alkali-metal atoms with a widely tunable interaction due to Fano-Feshbach resonances have been realized. In this way it has been achieved the 2D crossover from the Bardeen-Cooper-Schrieffer regime of weakly-interacting Cooper pairs to the Bose-Einstein condensate regime strongly bound dimers. These experiments pave the way to the investigation of 2D strongly-interacting attractive fermions during the Berezinskii-Kosterlitz-Thouless (BKT) transition from a low-temperature superfluid phase characterized by quasi-conden"},"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":"1611.00225","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2016-11-01T13:49:32Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"70fe2f084d1bd7c65fea1941662d1db0d6762fa97aeeea4771844c6ef1144979","abstract_canon_sha256":"2a031e8fb5d7e75074290e7f4889023036fb1d073977280b1104b12b0697b661"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:55:20.383549Z","signature_b64":"eICCNsLIDi/p4PzDpJUdHpXd0GWCilbynUrgRuqu0CT04It2SEe7Zdl0hrP/qCW00awgxbF8E8zuZI/ONaSHDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"468b4f4f95409af7a55e2cccd0bbce88d9a07d9c90fd5e736bb5c5fbe30e8b07","last_reissued_at":"2026-05-18T00:55:20.382864Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:55:20.382864Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum fluctuations and vortex-antivortex unbinding in the 2D BCS-BEC crossover","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.quant-gas","authors_text":"G. Bighin, L. Salasnich","submitted_at":"2016-11-01T13:49:32Z","abstract_excerpt":"Very recently quasi two-dimensional (2D) systems made of attractive fermionic alkali-metal atoms with a widely tunable interaction due to Fano-Feshbach resonances have been realized. In this way it has been achieved the 2D crossover from the Bardeen-Cooper-Schrieffer regime of weakly-interacting Cooper pairs to the Bose-Einstein condensate regime strongly bound dimers. These experiments pave the way to the investigation of 2D strongly-interacting attractive fermions during the Berezinskii-Kosterlitz-Thouless (BKT) transition from a low-temperature superfluid phase characterized by quasi-conden"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.00225","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":"1611.00225","created_at":"2026-05-18T00:55:20.382991+00:00"},{"alias_kind":"arxiv_version","alias_value":"1611.00225v1","created_at":"2026-05-18T00:55:20.382991+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.00225","created_at":"2026-05-18T00:55:20.382991+00:00"},{"alias_kind":"pith_short_12","alias_value":"I2FU6T4VICNP","created_at":"2026-05-18T12:30:22.444734+00:00"},{"alias_kind":"pith_short_16","alias_value":"I2FU6T4VICNPPJK6","created_at":"2026-05-18T12:30:22.444734+00:00"},{"alias_kind":"pith_short_8","alias_value":"I2FU6T4V","created_at":"2026-05-18T12:30:22.444734+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/I2FU6T4VICNPPJK6FTGNBO6ORD","json":"https://pith.science/pith/I2FU6T4VICNPPJK6FTGNBO6ORD.json","graph_json":"https://pith.science/api/pith-number/I2FU6T4VICNPPJK6FTGNBO6ORD/graph.json","events_json":"https://pith.science/api/pith-number/I2FU6T4VICNPPJK6FTGNBO6ORD/events.json","paper":"https://pith.science/paper/I2FU6T4V"},"agent_actions":{"view_html":"https://pith.science/pith/I2FU6T4VICNPPJK6FTGNBO6ORD","download_json":"https://pith.science/pith/I2FU6T4VICNPPJK6FTGNBO6ORD.json","view_paper":"https://pith.science/paper/I2FU6T4V","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1611.00225&json=true","fetch_graph":"https://pith.science/api/pith-number/I2FU6T4VICNPPJK6FTGNBO6ORD/graph.json","fetch_events":"https://pith.science/api/pith-number/I2FU6T4VICNPPJK6FTGNBO6ORD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/I2FU6T4VICNPPJK6FTGNBO6ORD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/I2FU6T4VICNPPJK6FTGNBO6ORD/action/storage_attestation","attest_author":"https://pith.science/pith/I2FU6T4VICNPPJK6FTGNBO6ORD/action/author_attestation","sign_citation":"https://pith.science/pith/I2FU6T4VICNPPJK6FTGNBO6ORD/action/citation_signature","submit_replication":"https://pith.science/pith/I2FU6T4VICNPPJK6FTGNBO6ORD/action/replication_record"}},"created_at":"2026-05-18T00:55:20.382991+00:00","updated_at":"2026-05-18T00:55:20.382991+00:00"}