{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:Q4EBGRHGU3RWLFT57JLHRA263E","short_pith_number":"pith:Q4EBGRHG","schema_version":"1.0","canonical_sha256":"87081344e6a6e365967dfa5678835ed90331a9345eeb96409b3f8f6c1389e864","source":{"kind":"arxiv","id":"1706.04403","version":1},"attestation_state":"computed","paper":{"title":"Finding the number density of atomic vapor by studying its absorption profile","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"physics.atom-ph","authors_text":"Harish Ravi, Mangesh Bhattarai, Vasant Natarajan","submitted_at":"2017-06-14T10:48:03Z","abstract_excerpt":"We demonstrate a technique for obtaining the density of atomic vapor, by doing a fit of the resonant absorption spectrum to a density-matrix model. In order to demonstrate the usefulness of the technique, we apply it to absorption in the ${\\rm D_2}$ line of a Cs vapor cell at room temperature. The lineshape of the spectrum is asymmetric due to the role of open transitions. This asymmetry is explained in the model using transit-time relaxation as the atoms traverse the laser beam. We also obtain the latent heat of evaporation by studying the number density as a function of temperature close to "},"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":"1706.04403","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2017-06-14T10:48:03Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"a1b4766cbb63e753146ece6d61111fe049448fe5bd77e5608f1bfa49573de4c7","abstract_canon_sha256":"d3c601af443db92f3cbb9b540987c0eb4da1dc170e23ce7a1fa812fac5e7ff47"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:22.752833Z","signature_b64":"l2zj5d8APIvEDC/FYPguXNIjLBVreXDo6rz2wmye1ZNdM8SKWtOE1so0keZUsrhpgt0vId2wNjbfyptY774DCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"87081344e6a6e365967dfa5678835ed90331a9345eeb96409b3f8f6c1389e864","last_reissued_at":"2026-05-18T00:42:22.752340Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:22.752340Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Finding the number density of atomic vapor by studying its absorption profile","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"physics.atom-ph","authors_text":"Harish Ravi, Mangesh Bhattarai, Vasant Natarajan","submitted_at":"2017-06-14T10:48:03Z","abstract_excerpt":"We demonstrate a technique for obtaining the density of atomic vapor, by doing a fit of the resonant absorption spectrum to a density-matrix model. In order to demonstrate the usefulness of the technique, we apply it to absorption in the ${\\rm D_2}$ line of a Cs vapor cell at room temperature. The lineshape of the spectrum is asymmetric due to the role of open transitions. This asymmetry is explained in the model using transit-time relaxation as the atoms traverse the laser beam. We also obtain the latent heat of evaporation by studying the number density as a function of temperature close to "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.04403","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":""},"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":"1706.04403","created_at":"2026-05-18T00:42:22.752415+00:00"},{"alias_kind":"arxiv_version","alias_value":"1706.04403v1","created_at":"2026-05-18T00:42:22.752415+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.04403","created_at":"2026-05-18T00:42:22.752415+00:00"},{"alias_kind":"pith_short_12","alias_value":"Q4EBGRHGU3RW","created_at":"2026-05-18T12:31:37.085036+00:00"},{"alias_kind":"pith_short_16","alias_value":"Q4EBGRHGU3RWLFT5","created_at":"2026-05-18T12:31:37.085036+00:00"},{"alias_kind":"pith_short_8","alias_value":"Q4EBGRHG","created_at":"2026-05-18T12:31:37.085036+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/Q4EBGRHGU3RWLFT57JLHRA263E","json":"https://pith.science/pith/Q4EBGRHGU3RWLFT57JLHRA263E.json","graph_json":"https://pith.science/api/pith-number/Q4EBGRHGU3RWLFT57JLHRA263E/graph.json","events_json":"https://pith.science/api/pith-number/Q4EBGRHGU3RWLFT57JLHRA263E/events.json","paper":"https://pith.science/paper/Q4EBGRHG"},"agent_actions":{"view_html":"https://pith.science/pith/Q4EBGRHGU3RWLFT57JLHRA263E","download_json":"https://pith.science/pith/Q4EBGRHGU3RWLFT57JLHRA263E.json","view_paper":"https://pith.science/paper/Q4EBGRHG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1706.04403&json=true","fetch_graph":"https://pith.science/api/pith-number/Q4EBGRHGU3RWLFT57JLHRA263E/graph.json","fetch_events":"https://pith.science/api/pith-number/Q4EBGRHGU3RWLFT57JLHRA263E/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Q4EBGRHGU3RWLFT57JLHRA263E/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Q4EBGRHGU3RWLFT57JLHRA263E/action/storage_attestation","attest_author":"https://pith.science/pith/Q4EBGRHGU3RWLFT57JLHRA263E/action/author_attestation","sign_citation":"https://pith.science/pith/Q4EBGRHGU3RWLFT57JLHRA263E/action/citation_signature","submit_replication":"https://pith.science/pith/Q4EBGRHGU3RWLFT57JLHRA263E/action/replication_record"}},"created_at":"2026-05-18T00:42:22.752415+00:00","updated_at":"2026-05-18T00:42:22.752415+00:00"}