{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2005:YFEL3JKUWZC6KFMC3FH4ZQY2HM","short_pith_number":"pith:YFEL3JKU","schema_version":"1.0","canonical_sha256":"c148bda554b645e51582d94fccc31a3b273b1511bf981943c2466cd3abed58c2","source":{"kind":"arxiv","id":"cond-mat/0508425","version":2},"attestation_state":"computed","paper":{"title":"Achievement of Quantum Degeneracy in a Na-QUIC trap in Brazil: an in situ observation","license":"","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"cond-mat.other","authors_text":"E. A. L. Henn, K. M. F. Magalh\\~aes, L. G. Marcassa, R. R. Silva, S. R. Muniz, V. S. Bagnato","submitted_at":"2005-08-18T15:05:44Z","abstract_excerpt":"Using a system composed of a Quadrupole and Ioffe Configuration (QUIC) trap loaded from a slowed atomic beam, we have performed experiments to observe the Bose-Einstein Condensation of Na atoms. In order to obtain the atomic distribution in the trap, we use an in situ out of resonance absorption image through a probe beam, to determine temperature and density. The phase space density (D) is calculated using the density profile and the temperature. We have followed D as a function of the final evaporation frequency. The results show that at 1.65 MHz we crossed the value for D expected to corres"},"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":"cond-mat/0508425","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.other","submitted_at":"2005-08-18T15:05:44Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"551ddcad9c671f0ef3f8319b39c4c8dcbd70877b1ce4cc2cdc3c6390d212835c","abstract_canon_sha256":"80466ccdfdd8db7ef1e2562be8a72cd6e400e535acec27d522ec2ab3844d1088"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:21:32.254778Z","signature_b64":"9RCACtTIAbKyOSZaNvA392Ap7nmG/1kdLpSZammqi/h9JhJmladGTVAZqRdgtWUrIrqac6ErYJqqSz1UHUuCCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c148bda554b645e51582d94fccc31a3b273b1511bf981943c2466cd3abed58c2","last_reissued_at":"2026-05-18T03:21:32.254288Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:21:32.254288Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Achievement of Quantum Degeneracy in a Na-QUIC trap in Brazil: an in situ observation","license":"","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"cond-mat.other","authors_text":"E. A. L. Henn, K. M. F. Magalh\\~aes, L. G. Marcassa, R. R. Silva, S. R. Muniz, V. S. Bagnato","submitted_at":"2005-08-18T15:05:44Z","abstract_excerpt":"Using a system composed of a Quadrupole and Ioffe Configuration (QUIC) trap loaded from a slowed atomic beam, we have performed experiments to observe the Bose-Einstein Condensation of Na atoms. In order to obtain the atomic distribution in the trap, we use an in situ out of resonance absorption image through a probe beam, to determine temperature and density. The phase space density (D) is calculated using the density profile and the temperature. We have followed D as a function of the final evaporation frequency. The results show that at 1.65 MHz we crossed the value for D expected to corres"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0508425","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":"cond-mat/0508425","created_at":"2026-05-18T03:21:32.254385+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0508425v2","created_at":"2026-05-18T03:21:32.254385+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0508425","created_at":"2026-05-18T03:21:32.254385+00:00"},{"alias_kind":"pith_short_12","alias_value":"YFEL3JKUWZC6","created_at":"2026-05-18T12:25:53.939244+00:00"},{"alias_kind":"pith_short_16","alias_value":"YFEL3JKUWZC6KFMC","created_at":"2026-05-18T12:25:53.939244+00:00"},{"alias_kind":"pith_short_8","alias_value":"YFEL3JKU","created_at":"2026-05-18T12:25:53.939244+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/YFEL3JKUWZC6KFMC3FH4ZQY2HM","json":"https://pith.science/pith/YFEL3JKUWZC6KFMC3FH4ZQY2HM.json","graph_json":"https://pith.science/api/pith-number/YFEL3JKUWZC6KFMC3FH4ZQY2HM/graph.json","events_json":"https://pith.science/api/pith-number/YFEL3JKUWZC6KFMC3FH4ZQY2HM/events.json","paper":"https://pith.science/paper/YFEL3JKU"},"agent_actions":{"view_html":"https://pith.science/pith/YFEL3JKUWZC6KFMC3FH4ZQY2HM","download_json":"https://pith.science/pith/YFEL3JKUWZC6KFMC3FH4ZQY2HM.json","view_paper":"https://pith.science/paper/YFEL3JKU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0508425&json=true","fetch_graph":"https://pith.science/api/pith-number/YFEL3JKUWZC6KFMC3FH4ZQY2HM/graph.json","fetch_events":"https://pith.science/api/pith-number/YFEL3JKUWZC6KFMC3FH4ZQY2HM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YFEL3JKUWZC6KFMC3FH4ZQY2HM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YFEL3JKUWZC6KFMC3FH4ZQY2HM/action/storage_attestation","attest_author":"https://pith.science/pith/YFEL3JKUWZC6KFMC3FH4ZQY2HM/action/author_attestation","sign_citation":"https://pith.science/pith/YFEL3JKUWZC6KFMC3FH4ZQY2HM/action/citation_signature","submit_replication":"https://pith.science/pith/YFEL3JKUWZC6KFMC3FH4ZQY2HM/action/replication_record"}},"created_at":"2026-05-18T03:21:32.254385+00:00","updated_at":"2026-05-18T03:21:32.254385+00:00"}