{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:ZQ3JDXTDGZYTIACAL6TJAJL5PI","short_pith_number":"pith:ZQ3JDXTD","schema_version":"1.0","canonical_sha256":"cc3691de6336713400405fa690257d7a18eee6f291a252458482952b3208fcbf","source":{"kind":"arxiv","id":"1506.01444","version":1},"attestation_state":"computed","paper":{"title":"Quantum spirals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","math-ph","math.MP","nlin.PS","physics.flu-dyn"],"primary_cat":"quant-ph","authors_text":"S. M. Mahajan, Z. Yoshida","submitted_at":"2015-06-04T01:48:09Z","abstract_excerpt":"Quantum systems often exhibit fundamental incapability to entertain vortex. The Meissner effect, a complete expulsion of the magnetic field (the electromagnetic vorticity), for instance, is taken to be the defining attribute of the superconducting state. Superfluidity is another, close-parallel example; fluid vorticity can reside only on topological defects with a limited (quantized) amount. Recent developments in the Bose-Einstein condensates produced by particle traps further emphasize this characteristic. We show that the challenge of imparting vorticity to a quantum fluid can be met throug"},"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":"1506.01444","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-06-04T01:48:09Z","cross_cats_sorted":["cond-mat.quant-gas","math-ph","math.MP","nlin.PS","physics.flu-dyn"],"title_canon_sha256":"52afbe8fb3e5816463d3c8fc4d99dccf88fe029a1769dafe88d00307e8603a0a","abstract_canon_sha256":"1c8e45e090d643fa6b470db2d52d44dd786bcadd1e8ed7329585284a45e5fad6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:23:33.520453Z","signature_b64":"wKQOZg2pWN3O3UeuC79EZ/N79p45RfS5tsvisynDX9DRI2NNpl1fzxD6ASU9JFu1DCD7U0Cjr+ChXs/h28PPDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cc3691de6336713400405fa690257d7a18eee6f291a252458482952b3208fcbf","last_reissued_at":"2026-05-18T01:23:33.519708Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:23:33.519708Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum spirals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","math-ph","math.MP","nlin.PS","physics.flu-dyn"],"primary_cat":"quant-ph","authors_text":"S. M. Mahajan, Z. Yoshida","submitted_at":"2015-06-04T01:48:09Z","abstract_excerpt":"Quantum systems often exhibit fundamental incapability to entertain vortex. The Meissner effect, a complete expulsion of the magnetic field (the electromagnetic vorticity), for instance, is taken to be the defining attribute of the superconducting state. Superfluidity is another, close-parallel example; fluid vorticity can reside only on topological defects with a limited (quantized) amount. Recent developments in the Bose-Einstein condensates produced by particle traps further emphasize this characteristic. We show that the challenge of imparting vorticity to a quantum fluid can be met throug"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.01444","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":"1506.01444","created_at":"2026-05-18T01:23:33.519830+00:00"},{"alias_kind":"arxiv_version","alias_value":"1506.01444v1","created_at":"2026-05-18T01:23:33.519830+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.01444","created_at":"2026-05-18T01:23:33.519830+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZQ3JDXTDGZYT","created_at":"2026-05-18T12:29:52.810259+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZQ3JDXTDGZYTIACA","created_at":"2026-05-18T12:29:52.810259+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZQ3JDXTD","created_at":"2026-05-18T12:29:52.810259+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/ZQ3JDXTDGZYTIACAL6TJAJL5PI","json":"https://pith.science/pith/ZQ3JDXTDGZYTIACAL6TJAJL5PI.json","graph_json":"https://pith.science/api/pith-number/ZQ3JDXTDGZYTIACAL6TJAJL5PI/graph.json","events_json":"https://pith.science/api/pith-number/ZQ3JDXTDGZYTIACAL6TJAJL5PI/events.json","paper":"https://pith.science/paper/ZQ3JDXTD"},"agent_actions":{"view_html":"https://pith.science/pith/ZQ3JDXTDGZYTIACAL6TJAJL5PI","download_json":"https://pith.science/pith/ZQ3JDXTDGZYTIACAL6TJAJL5PI.json","view_paper":"https://pith.science/paper/ZQ3JDXTD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1506.01444&json=true","fetch_graph":"https://pith.science/api/pith-number/ZQ3JDXTDGZYTIACAL6TJAJL5PI/graph.json","fetch_events":"https://pith.science/api/pith-number/ZQ3JDXTDGZYTIACAL6TJAJL5PI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZQ3JDXTDGZYTIACAL6TJAJL5PI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZQ3JDXTDGZYTIACAL6TJAJL5PI/action/storage_attestation","attest_author":"https://pith.science/pith/ZQ3JDXTDGZYTIACAL6TJAJL5PI/action/author_attestation","sign_citation":"https://pith.science/pith/ZQ3JDXTDGZYTIACAL6TJAJL5PI/action/citation_signature","submit_replication":"https://pith.science/pith/ZQ3JDXTDGZYTIACAL6TJAJL5PI/action/replication_record"}},"created_at":"2026-05-18T01:23:33.519830+00:00","updated_at":"2026-05-18T01:23:33.519830+00:00"}