{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:72DLEL4DEP3M26RHEP6Y3S4JA6","short_pith_number":"pith:72DLEL4D","schema_version":"1.0","canonical_sha256":"fe86b22f8323f6cd7a2723fd8dcb890794fd79adbfb24b1f7278cdd3aabc4071","source":{"kind":"arxiv","id":"2508.20518","version":1},"attestation_state":"computed","paper":{"title":"Bose-Einstein condensate of ultracold sodium-rubidium molecules with tunable dipolar interactions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.atom-ph","quant-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"Dajun Wang, Fulin Deng, Su Yi, Tao Shi, Wei-Jian Jin, Zerong Huang, Zhaopeng Shi","submitted_at":"2025-08-28T07:59:42Z","abstract_excerpt":"Realizing Bose-Einstein condensation of polar molecules is a long-standing challenge in ultracold physics and quantum science due to near-universal two-body collisional losses. Here, we report the production of a Bose-Einstein condensate of ground-state sodium-rubidium molecules via high efficiency evaporative cooling, with losses suppressed using the dual microwave shielding technique. The ability to tune the dipolar interaction between these ultracold polar molecules is crucial for producing the condensate and enables exciting prospects for future applications. We explore different regimes o"},"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":"2508.20518","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2025-08-28T07:59:42Z","cross_cats_sorted":["physics.atom-ph","quant-ph"],"title_canon_sha256":"040cadad892298aa7c118715cb7fa930c17f21a59908d6bc3d9322b4b390d938","abstract_canon_sha256":"1e0566742e50f3da9cb06582023cfcb7687d4d9cb03c87595c2e40d36454c3b4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:00:54.105148Z","signature_b64":"RrzMAoINvP+7HHThTxB+AiMIpIC1JYKDzjy45lpoutdjjHVU7SeFy7BetFQM7VOTg8GvtfXQ6wbpAZbzqM/ODA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe86b22f8323f6cd7a2723fd8dcb890794fd79adbfb24b1f7278cdd3aabc4071","last_reissued_at":"2026-07-05T12:00:54.104652Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:00:54.104652Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Bose-Einstein condensate of ultracold sodium-rubidium molecules with tunable dipolar interactions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.atom-ph","quant-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"Dajun Wang, Fulin Deng, Su Yi, Tao Shi, Wei-Jian Jin, Zerong Huang, Zhaopeng Shi","submitted_at":"2025-08-28T07:59:42Z","abstract_excerpt":"Realizing Bose-Einstein condensation of polar molecules is a long-standing challenge in ultracold physics and quantum science due to near-universal two-body collisional losses. Here, we report the production of a Bose-Einstein condensate of ground-state sodium-rubidium molecules via high efficiency evaporative cooling, with losses suppressed using the dual microwave shielding technique. The ability to tune the dipolar interaction between these ultracold polar molecules is crucial for producing the condensate and enables exciting prospects for future applications. We explore different regimes o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.20518","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2508.20518/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2508.20518","created_at":"2026-07-05T12:00:54.104713+00:00"},{"alias_kind":"arxiv_version","alias_value":"2508.20518v1","created_at":"2026-07-05T12:00:54.104713+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.20518","created_at":"2026-07-05T12:00:54.104713+00:00"},{"alias_kind":"pith_short_12","alias_value":"72DLEL4DEP3M","created_at":"2026-07-05T12:00:54.104713+00:00"},{"alias_kind":"pith_short_16","alias_value":"72DLEL4DEP3M26RH","created_at":"2026-07-05T12:00:54.104713+00:00"},{"alias_kind":"pith_short_8","alias_value":"72DLEL4D","created_at":"2026-07-05T12:00:54.104713+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":8,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.22503","citing_title":"Formation and dynamics of self-bound droplets in dipolar molecular condensate","ref_index":31,"is_internal_anchor":false},{"citing_arxiv_id":"2607.01620","citing_title":"Identical-Particle Symmetry-Enabled Complete Coherent Control of Ultracold Atomic and Molecular Collisions","ref_index":27,"is_internal_anchor":false},{"citing_arxiv_id":"2607.02470","citing_title":"Microwave shielding of ultracold polar molecules on the transition $\\boldsymbol{n=1 \\rightarrow 2}$","ref_index":33,"is_internal_anchor":false},{"citing_arxiv_id":"2605.18546","citing_title":"Bilayer crystals in a polar-molecules system","ref_index":38,"is_internal_anchor":false},{"citing_arxiv_id":"2606.30589","citing_title":"Equilibrium and non-equilibrium phases of microwave-dressed polar molecules beyond rotational symmetries","ref_index":10,"is_internal_anchor":false},{"citing_arxiv_id":"2512.13521","citing_title":"Optically trapped Feshbach molecules of fermionic $^{161}$Dy and $^{40}$K: Role of light-induced and collisional losses","ref_index":42,"is_internal_anchor":false},{"citing_arxiv_id":"2604.18072","citing_title":"Preparation of quasi-two-dimensional Bose mixture of ultracold $^{23}$Na and $^{87}$Rb atoms","ref_index":19,"is_internal_anchor":false},{"citing_arxiv_id":"2604.07194","citing_title":"In-situ Observation of Magnetostriction Crossover in a Strongly Dipolar Two-Dimensional Bose Gas","ref_index":21,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/72DLEL4DEP3M26RHEP6Y3S4JA6","json":"https://pith.science/pith/72DLEL4DEP3M26RHEP6Y3S4JA6.json","graph_json":"https://pith.science/api/pith-number/72DLEL4DEP3M26RHEP6Y3S4JA6/graph.json","events_json":"https://pith.science/api/pith-number/72DLEL4DEP3M26RHEP6Y3S4JA6/events.json","paper":"https://pith.science/paper/72DLEL4D"},"agent_actions":{"view_html":"https://pith.science/pith/72DLEL4DEP3M26RHEP6Y3S4JA6","download_json":"https://pith.science/pith/72DLEL4DEP3M26RHEP6Y3S4JA6.json","view_paper":"https://pith.science/paper/72DLEL4D","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2508.20518&json=true","fetch_graph":"https://pith.science/api/pith-number/72DLEL4DEP3M26RHEP6Y3S4JA6/graph.json","fetch_events":"https://pith.science/api/pith-number/72DLEL4DEP3M26RHEP6Y3S4JA6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/72DLEL4DEP3M26RHEP6Y3S4JA6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/72DLEL4DEP3M26RHEP6Y3S4JA6/action/storage_attestation","attest_author":"https://pith.science/pith/72DLEL4DEP3M26RHEP6Y3S4JA6/action/author_attestation","sign_citation":"https://pith.science/pith/72DLEL4DEP3M26RHEP6Y3S4JA6/action/citation_signature","submit_replication":"https://pith.science/pith/72DLEL4DEP3M26RHEP6Y3S4JA6/action/replication_record"}},"created_at":"2026-07-05T12:00:54.104713+00:00","updated_at":"2026-07-05T12:00:54.104713+00:00"}