{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:PMFD74UXELF5QV2SSSQWJOXRJU","short_pith_number":"pith:PMFD74UX","schema_version":"1.0","canonical_sha256":"7b0a3ff29722cbd8575294a164baf14d2b1eddfd2392c68dbf19e8bce4d04bf4","source":{"kind":"arxiv","id":"2501.03158","version":1},"attestation_state":"computed","paper":{"title":"Phase-contrast imaging of a dense atomic cloud","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"physics.atom-ph","authors_text":"A. Cipris, M. do Amaral Martins, M. Frometa Fernandez, M. Hugbart, P. G. Santos Dias, P. H. Nantes Magnani, Ph. W. Courteille, R. Celistrino Teixeira","submitted_at":"2025-01-06T17:26:19Z","abstract_excerpt":"We present the experimental production and characterization of a dense cold atomic cloud of \\(^{88}\\text{Sr}\\) atoms, optimized for the future studies of light transport in highly dense regimes. Using narrow-line molasses on the 689 nm transition, combined with a far off-resonant optical dipole trap, we achieve spatial densities as high as \\(7.9 \\times 10^{13} \\, \\text{atoms/cm}^3\\) and optical depths up to 64. This approach stands out from previous methods by integrating narrow-line molasses with an optical dipole trap, enabling high-density samples without relying on evaporative cooling. Unl"},"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":"2501.03158","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.atom-ph","submitted_at":"2025-01-06T17:26:19Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"511b195c98e968f1006e437832a6e6872512ee7af4ba683f4af35e1b369057d6","abstract_canon_sha256":"409a9290eb8571575d4f9d7478425956112091d3ab4eb8f056c8818c89e32c7a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:57:32.423172Z","signature_b64":"yu0d/gDECh9I+P9505GId+wE6aqLklToavMkQPnwWs6o2AMHNjfOljSKUIKFcev4GBgU04jPKgObsTtwobiNCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7b0a3ff29722cbd8575294a164baf14d2b1eddfd2392c68dbf19e8bce4d04bf4","last_reissued_at":"2026-07-05T09:57:32.422742Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:57:32.422742Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Phase-contrast imaging of a dense atomic cloud","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"physics.atom-ph","authors_text":"A. Cipris, M. do Amaral Martins, M. Frometa Fernandez, M. Hugbart, P. G. Santos Dias, P. H. Nantes Magnani, Ph. W. Courteille, R. Celistrino Teixeira","submitted_at":"2025-01-06T17:26:19Z","abstract_excerpt":"We present the experimental production and characterization of a dense cold atomic cloud of \\(^{88}\\text{Sr}\\) atoms, optimized for the future studies of light transport in highly dense regimes. Using narrow-line molasses on the 689 nm transition, combined with a far off-resonant optical dipole trap, we achieve spatial densities as high as \\(7.9 \\times 10^{13} \\, \\text{atoms/cm}^3\\) and optical depths up to 64. This approach stands out from previous methods by integrating narrow-line molasses with an optical dipole trap, enabling high-density samples without relying on evaporative cooling. Unl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.03158","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/2501.03158/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":"2501.03158","created_at":"2026-07-05T09:57:32.422798+00:00"},{"alias_kind":"arxiv_version","alias_value":"2501.03158v1","created_at":"2026-07-05T09:57:32.422798+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.03158","created_at":"2026-07-05T09:57:32.422798+00:00"},{"alias_kind":"pith_short_12","alias_value":"PMFD74UXELF5","created_at":"2026-07-05T09:57:32.422798+00:00"},{"alias_kind":"pith_short_16","alias_value":"PMFD74UXELF5QV2S","created_at":"2026-07-05T09:57:32.422798+00:00"},{"alias_kind":"pith_short_8","alias_value":"PMFD74UX","created_at":"2026-07-05T09:57:32.422798+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2604.24680","citing_title":"Optical depth dictates universal bounds on many-body decay in atomic ensembles","ref_index":60,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PMFD74UXELF5QV2SSSQWJOXRJU","json":"https://pith.science/pith/PMFD74UXELF5QV2SSSQWJOXRJU.json","graph_json":"https://pith.science/api/pith-number/PMFD74UXELF5QV2SSSQWJOXRJU/graph.json","events_json":"https://pith.science/api/pith-number/PMFD74UXELF5QV2SSSQWJOXRJU/events.json","paper":"https://pith.science/paper/PMFD74UX"},"agent_actions":{"view_html":"https://pith.science/pith/PMFD74UXELF5QV2SSSQWJOXRJU","download_json":"https://pith.science/pith/PMFD74UXELF5QV2SSSQWJOXRJU.json","view_paper":"https://pith.science/paper/PMFD74UX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2501.03158&json=true","fetch_graph":"https://pith.science/api/pith-number/PMFD74UXELF5QV2SSSQWJOXRJU/graph.json","fetch_events":"https://pith.science/api/pith-number/PMFD74UXELF5QV2SSSQWJOXRJU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PMFD74UXELF5QV2SSSQWJOXRJU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PMFD74UXELF5QV2SSSQWJOXRJU/action/storage_attestation","attest_author":"https://pith.science/pith/PMFD74UXELF5QV2SSSQWJOXRJU/action/author_attestation","sign_citation":"https://pith.science/pith/PMFD74UXELF5QV2SSSQWJOXRJU/action/citation_signature","submit_replication":"https://pith.science/pith/PMFD74UXELF5QV2SSSQWJOXRJU/action/replication_record"}},"created_at":"2026-07-05T09:57:32.422798+00:00","updated_at":"2026-07-05T09:57:32.422798+00:00"}