{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:YNWDK27CZO7324K52QXHKWMZSS","short_pith_number":"pith:YNWDK27C","schema_version":"1.0","canonical_sha256":"c36c356be2cbbfbd715dd42e75599994b3bcaeec330eec7e2315f769176f8983","source":{"kind":"arxiv","id":"1308.2105","version":3},"attestation_state":"computed","paper":{"title":"Absolute density measurement of SD radicals in a supersonic jet at the quantum-noise limit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"physics.chem-ph","authors_text":"Arin Mizouri, David Carty, Eckart Wrede, Jack S. Eardley, Lianzhong Deng, N. Hendrik Nahler","submitted_at":"2013-08-09T12:19:35Z","abstract_excerpt":"The absolute density of SD radicals in a supersonic jet has been measured down to $(1.1\\pm0.1)\\times10^5$ cm$^{-3}$ in a modestly specified apparatus that uses a cross-correlated combination of cavity ring-down and laser-induced fluorescence detection. Such a density corresponds to $215\\pm21$ molecules in the probe volume at any given time. The minimum detectable absorption coefficient was quantum-noise-limited and measured to be $(7.9\\pm0.6)\\times10^{-11}$ cm$^{-1}$, in 200 s of acquisition time, corresponding to a noise-equivalent absorption sensitivity for the apparatus of $(1.6\\pm0.1)\\time"},"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":"1308.2105","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2013-08-09T12:19:35Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"bd684a5e4851698180ecef8fed74f40737ffe08a31d5c28392de748ef964b5af","abstract_canon_sha256":"a4a579a3715904753d463267825fa96bc60b727f40499197fc0bde451145ba8f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:35:25.455532Z","signature_b64":"ldarkmYLsMaL6Av1IAcdDwb2HkNAzew/t49ibJkTXeKXMmVu+LHbG3l7BjU+Zzl/bhJ2FADZ2FAFFBCZ4+SYAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c36c356be2cbbfbd715dd42e75599994b3bcaeec330eec7e2315f769176f8983","last_reissued_at":"2026-05-18T00:35:25.454856Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:35:25.454856Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Absolute density measurement of SD radicals in a supersonic jet at the quantum-noise limit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"physics.chem-ph","authors_text":"Arin Mizouri, David Carty, Eckart Wrede, Jack S. Eardley, Lianzhong Deng, N. Hendrik Nahler","submitted_at":"2013-08-09T12:19:35Z","abstract_excerpt":"The absolute density of SD radicals in a supersonic jet has been measured down to $(1.1\\pm0.1)\\times10^5$ cm$^{-3}$ in a modestly specified apparatus that uses a cross-correlated combination of cavity ring-down and laser-induced fluorescence detection. Such a density corresponds to $215\\pm21$ molecules in the probe volume at any given time. The minimum detectable absorption coefficient was quantum-noise-limited and measured to be $(7.9\\pm0.6)\\times10^{-11}$ cm$^{-1}$, in 200 s of acquisition time, corresponding to a noise-equivalent absorption sensitivity for the apparatus of $(1.6\\pm0.1)\\time"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.2105","kind":"arxiv","version":3},"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":"1308.2105","created_at":"2026-05-18T00:35:25.454957+00:00"},{"alias_kind":"arxiv_version","alias_value":"1308.2105v3","created_at":"2026-05-18T00:35:25.454957+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.2105","created_at":"2026-05-18T00:35:25.454957+00:00"},{"alias_kind":"pith_short_12","alias_value":"YNWDK27CZO73","created_at":"2026-05-18T12:28:06.772260+00:00"},{"alias_kind":"pith_short_16","alias_value":"YNWDK27CZO7324K5","created_at":"2026-05-18T12:28:06.772260+00:00"},{"alias_kind":"pith_short_8","alias_value":"YNWDK27C","created_at":"2026-05-18T12:28:06.772260+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/YNWDK27CZO7324K52QXHKWMZSS","json":"https://pith.science/pith/YNWDK27CZO7324K52QXHKWMZSS.json","graph_json":"https://pith.science/api/pith-number/YNWDK27CZO7324K52QXHKWMZSS/graph.json","events_json":"https://pith.science/api/pith-number/YNWDK27CZO7324K52QXHKWMZSS/events.json","paper":"https://pith.science/paper/YNWDK27C"},"agent_actions":{"view_html":"https://pith.science/pith/YNWDK27CZO7324K52QXHKWMZSS","download_json":"https://pith.science/pith/YNWDK27CZO7324K52QXHKWMZSS.json","view_paper":"https://pith.science/paper/YNWDK27C","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1308.2105&json=true","fetch_graph":"https://pith.science/api/pith-number/YNWDK27CZO7324K52QXHKWMZSS/graph.json","fetch_events":"https://pith.science/api/pith-number/YNWDK27CZO7324K52QXHKWMZSS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YNWDK27CZO7324K52QXHKWMZSS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YNWDK27CZO7324K52QXHKWMZSS/action/storage_attestation","attest_author":"https://pith.science/pith/YNWDK27CZO7324K52QXHKWMZSS/action/author_attestation","sign_citation":"https://pith.science/pith/YNWDK27CZO7324K52QXHKWMZSS/action/citation_signature","submit_replication":"https://pith.science/pith/YNWDK27CZO7324K52QXHKWMZSS/action/replication_record"}},"created_at":"2026-05-18T00:35:25.454957+00:00","updated_at":"2026-05-18T00:35:25.454957+00:00"}