{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:EIKRMY5JJLTPB7V4OJS6F43O7A","short_pith_number":"pith:EIKRMY5J","schema_version":"1.0","canonical_sha256":"22151663a94ae6f0febc7265e2f36ef80f4e33c692c5d78dd7a6745dfb615eb1","source":{"kind":"arxiv","id":"1903.04528","version":2},"attestation_state":"computed","paper":{"title":"Dynamical symmetry and breathers in a two-dimensional Bose gas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Brice Bakkali-Hassani, \\'Edouard Le Cerf, Jean Dalibard, Jean-Loup Ville, J\\'er\\^ome Beugnon, Patricia C.M. Castilho, Rapha\\\"el Saint-Jalm, Sylvain Nascimbene","submitted_at":"2019-03-11T18:35:10Z","abstract_excerpt":"A fluid is said to be \\emph{scale-invariant} when its interaction and kinetic energies have the same scaling in a dilation operation. In association with the more general conformal invariance, scale invariance provides a dynamical symmetry which has profound consequences both on the equilibrium properties of the fluid and its time evolution. Here we investigate experimentally the far-from-equilibrium dynamics of a cold two-dimensional rubidium Bose gas. We operate in the regime where the gas is accurately described by a classical field obeying the Gross--Pitaevskii equation, and thus possesses"},"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":"1903.04528","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2019-03-11T18:35:10Z","cross_cats_sorted":[],"title_canon_sha256":"23fadd559fbbe2824601999c820bc5ae12e17c66fefe30faa78dbb7ca6336030","abstract_canon_sha256":"a49e16cc9bf099020f770ed9731131716337d78aef5c12c7ec6be7067e32360d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:45:14.755196Z","signature_b64":"ByBc2Hau/hRmXl/PGw6odc3b1I8i912RCFQk+QHZMZaget3RlI68eeSmELOda/nyHXd2kgvcgcurw3sHTZ1VCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"22151663a94ae6f0febc7265e2f36ef80f4e33c692c5d78dd7a6745dfb615eb1","last_reissued_at":"2026-05-17T23:45:14.754574Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:45:14.754574Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dynamical symmetry and breathers in a two-dimensional Bose gas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Brice Bakkali-Hassani, \\'Edouard Le Cerf, Jean Dalibard, Jean-Loup Ville, J\\'er\\^ome Beugnon, Patricia C.M. Castilho, Rapha\\\"el Saint-Jalm, Sylvain Nascimbene","submitted_at":"2019-03-11T18:35:10Z","abstract_excerpt":"A fluid is said to be \\emph{scale-invariant} when its interaction and kinetic energies have the same scaling in a dilation operation. In association with the more general conformal invariance, scale invariance provides a dynamical symmetry which has profound consequences both on the equilibrium properties of the fluid and its time evolution. Here we investigate experimentally the far-from-equilibrium dynamics of a cold two-dimensional rubidium Bose gas. We operate in the regime where the gas is accurately described by a classical field obeying the Gross--Pitaevskii equation, and thus possesses"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.04528","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":"1903.04528","created_at":"2026-05-17T23:45:14.754665+00:00"},{"alias_kind":"arxiv_version","alias_value":"1903.04528v2","created_at":"2026-05-17T23:45:14.754665+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.04528","created_at":"2026-05-17T23:45:14.754665+00:00"},{"alias_kind":"pith_short_12","alias_value":"EIKRMY5JJLTP","created_at":"2026-05-18T12:33:15.570797+00:00"},{"alias_kind":"pith_short_16","alias_value":"EIKRMY5JJLTPB7V4","created_at":"2026-05-18T12:33:15.570797+00:00"},{"alias_kind":"pith_short_8","alias_value":"EIKRMY5J","created_at":"2026-05-18T12:33:15.570797+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/EIKRMY5JJLTPB7V4OJS6F43O7A","json":"https://pith.science/pith/EIKRMY5JJLTPB7V4OJS6F43O7A.json","graph_json":"https://pith.science/api/pith-number/EIKRMY5JJLTPB7V4OJS6F43O7A/graph.json","events_json":"https://pith.science/api/pith-number/EIKRMY5JJLTPB7V4OJS6F43O7A/events.json","paper":"https://pith.science/paper/EIKRMY5J"},"agent_actions":{"view_html":"https://pith.science/pith/EIKRMY5JJLTPB7V4OJS6F43O7A","download_json":"https://pith.science/pith/EIKRMY5JJLTPB7V4OJS6F43O7A.json","view_paper":"https://pith.science/paper/EIKRMY5J","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1903.04528&json=true","fetch_graph":"https://pith.science/api/pith-number/EIKRMY5JJLTPB7V4OJS6F43O7A/graph.json","fetch_events":"https://pith.science/api/pith-number/EIKRMY5JJLTPB7V4OJS6F43O7A/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EIKRMY5JJLTPB7V4OJS6F43O7A/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EIKRMY5JJLTPB7V4OJS6F43O7A/action/storage_attestation","attest_author":"https://pith.science/pith/EIKRMY5JJLTPB7V4OJS6F43O7A/action/author_attestation","sign_citation":"https://pith.science/pith/EIKRMY5JJLTPB7V4OJS6F43O7A/action/citation_signature","submit_replication":"https://pith.science/pith/EIKRMY5JJLTPB7V4OJS6F43O7A/action/replication_record"}},"created_at":"2026-05-17T23:45:14.754665+00:00","updated_at":"2026-05-17T23:45:14.754665+00:00"}