{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:UHS7E7PHGJDVXWK6T7KTGVKIF3","short_pith_number":"pith:UHS7E7PH","schema_version":"1.0","canonical_sha256":"a1e5f27de732475bd95e9fd53355482ed6fd9603aea313599064a4a14aa687eb","source":{"kind":"arxiv","id":"1403.4641","version":2},"attestation_state":"computed","paper":{"title":"Production of Rubidium Bose-Einstein Condensates at a 1 Hz Rate","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","physics.optics"],"primary_cat":"physics.atom-ph","authors_text":"Daniel M. Farkas, Evan A. Salim, Jaime Ramirez-Serrano","submitted_at":"2014-03-18T23:10:53Z","abstract_excerpt":"We present an experimental apparatus that produces Bose-Einstein condensates (BECs) of $^{87}$Rb atoms at a rate of 1 Hz. As a demonstration of the system's ability to operate continuously, 30 BECs were produced and imaged in 32.1 s. Without imaging, a single BEC could be produced in 953 ms. The system uses an atom chip to confine atoms in a dimple trap with frequencies exceeding 1 kHz. With this tight trap, the duration of evaporative cooling was reduced to less than 0.5 s. Using principal component analysis, insight into the largest sources of noise and drift was obtained by extracting the d"},"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":"1403.4641","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2014-03-18T23:10:53Z","cross_cats_sorted":["cond-mat.quant-gas","physics.optics"],"title_canon_sha256":"568a56ca1c4c68c0bd64d6728fc6fb35a9e10144190316af6d6b1c928191ba61","abstract_canon_sha256":"deed6e0a418b105b0287236929842847c248c7b3b2a2c6f2b1c7c91b8dfae296"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:30:32.140338Z","signature_b64":"sm2knC3AvIf9Jfl87z+fbEzgP2g3zX0k8W7DyJu0rxRoC6GlcbIcgPaqjhBc3Xed2r5Tccxjuo8fNBvBOIIUAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a1e5f27de732475bd95e9fd53355482ed6fd9603aea313599064a4a14aa687eb","last_reissued_at":"2026-05-18T02:30:32.139852Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:30:32.139852Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Production of Rubidium Bose-Einstein Condensates at a 1 Hz Rate","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","physics.optics"],"primary_cat":"physics.atom-ph","authors_text":"Daniel M. Farkas, Evan A. Salim, Jaime Ramirez-Serrano","submitted_at":"2014-03-18T23:10:53Z","abstract_excerpt":"We present an experimental apparatus that produces Bose-Einstein condensates (BECs) of $^{87}$Rb atoms at a rate of 1 Hz. As a demonstration of the system's ability to operate continuously, 30 BECs were produced and imaged in 32.1 s. Without imaging, a single BEC could be produced in 953 ms. The system uses an atom chip to confine atoms in a dimple trap with frequencies exceeding 1 kHz. With this tight trap, the duration of evaporative cooling was reduced to less than 0.5 s. Using principal component analysis, insight into the largest sources of noise and drift was obtained by extracting the d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.4641","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":"1403.4641","created_at":"2026-05-18T02:30:32.139927+00:00"},{"alias_kind":"arxiv_version","alias_value":"1403.4641v2","created_at":"2026-05-18T02:30:32.139927+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.4641","created_at":"2026-05-18T02:30:32.139927+00:00"},{"alias_kind":"pith_short_12","alias_value":"UHS7E7PHGJDV","created_at":"2026-05-18T12:28:52.271510+00:00"},{"alias_kind":"pith_short_16","alias_value":"UHS7E7PHGJDVXWK6","created_at":"2026-05-18T12:28:52.271510+00:00"},{"alias_kind":"pith_short_8","alias_value":"UHS7E7PH","created_at":"2026-05-18T12:28:52.271510+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2505.15302","citing_title":"Robust and compact single-lens crossed-beam optical dipole trap for Bose-Einstein condensation in microgravity","ref_index":8,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/UHS7E7PHGJDVXWK6T7KTGVKIF3","json":"https://pith.science/pith/UHS7E7PHGJDVXWK6T7KTGVKIF3.json","graph_json":"https://pith.science/api/pith-number/UHS7E7PHGJDVXWK6T7KTGVKIF3/graph.json","events_json":"https://pith.science/api/pith-number/UHS7E7PHGJDVXWK6T7KTGVKIF3/events.json","paper":"https://pith.science/paper/UHS7E7PH"},"agent_actions":{"view_html":"https://pith.science/pith/UHS7E7PHGJDVXWK6T7KTGVKIF3","download_json":"https://pith.science/pith/UHS7E7PHGJDVXWK6T7KTGVKIF3.json","view_paper":"https://pith.science/paper/UHS7E7PH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1403.4641&json=true","fetch_graph":"https://pith.science/api/pith-number/UHS7E7PHGJDVXWK6T7KTGVKIF3/graph.json","fetch_events":"https://pith.science/api/pith-number/UHS7E7PHGJDVXWK6T7KTGVKIF3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UHS7E7PHGJDVXWK6T7KTGVKIF3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UHS7E7PHGJDVXWK6T7KTGVKIF3/action/storage_attestation","attest_author":"https://pith.science/pith/UHS7E7PHGJDVXWK6T7KTGVKIF3/action/author_attestation","sign_citation":"https://pith.science/pith/UHS7E7PHGJDVXWK6T7KTGVKIF3/action/citation_signature","submit_replication":"https://pith.science/pith/UHS7E7PHGJDVXWK6T7KTGVKIF3/action/replication_record"}},"created_at":"2026-05-18T02:30:32.139927+00:00","updated_at":"2026-05-18T02:30:32.139927+00:00"}