{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:55WSWBIEKW5RLDKELF3SI6IYT3","short_pith_number":"pith:55WSWBIE","schema_version":"1.0","canonical_sha256":"ef6d2b050455bb158d4459772479189ed547b01423a6ba5017e43d6c4eac6653","source":{"kind":"arxiv","id":"0906.1026","version":1},"attestation_state":"computed","paper":{"title":"Star Formation in Massive Clusters via the Wilkinson Microwave Anisotropy Probe and the Spitzer Glimpse Survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"M. Rahman, N. W. Murray","submitted_at":"2009-06-05T01:43:05Z","abstract_excerpt":"We use the WMAP maximum entropy method foreground emission map combined with previously determined distances to giant HII regions to measure the free-free flux at Earth and the free-free luminosity of the galaxy. We find a total flux f_\\nu=54211 Jy and a flux from 88 sources of f_\\nu=36043 Jy. The bulk of the sources are at least marginally resolved, with mean radii ~60 pc, electron density n_e ~ 9 cm^{-3}, and filling factor \\phi_{HII}=0.005 (over the Galactic gas disk). The total dust-corrected ionizing photon luminosity is Q=3.2x10^{53} photons/s, in good agreement with previous estimates. "},"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":"0906.1026","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-06-05T01:43:05Z","cross_cats_sorted":[],"title_canon_sha256":"0db4f57d721c78df7cef16d0727d6893f57ebc5313930001c9b686414944a8d6","abstract_canon_sha256":"7b5ae04a9d67848b1fc140a0af2b06defc428a92b6d99f9e3e3037711b3d8c37"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:18:51.004368Z","signature_b64":"LrUuwogyKWLVqLlqU9UZnpSqyE6xg05zHbEKQv3BYnJjy6lck92oEfT5FXalGzaU9DnhSiolD2Ndr9fUU0UvDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef6d2b050455bb158d4459772479189ed547b01423a6ba5017e43d6c4eac6653","last_reissued_at":"2026-07-04T17:18:51.004033Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:18:51.004033Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Star Formation in Massive Clusters via the Wilkinson Microwave Anisotropy Probe and the Spitzer Glimpse Survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"M. Rahman, N. W. Murray","submitted_at":"2009-06-05T01:43:05Z","abstract_excerpt":"We use the WMAP maximum entropy method foreground emission map combined with previously determined distances to giant HII regions to measure the free-free flux at Earth and the free-free luminosity of the galaxy. We find a total flux f_\\nu=54211 Jy and a flux from 88 sources of f_\\nu=36043 Jy. The bulk of the sources are at least marginally resolved, with mean radii ~60 pc, electron density n_e ~ 9 cm^{-3}, and filling factor \\phi_{HII}=0.005 (over the Galactic gas disk). The total dust-corrected ionizing photon luminosity is Q=3.2x10^{53} photons/s, in good agreement with previous estimates. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.1026","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/0906.1026/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":"0906.1026","created_at":"2026-07-04T17:18:51.004088+00:00"},{"alias_kind":"arxiv_version","alias_value":"0906.1026v1","created_at":"2026-07-04T17:18:51.004088+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.1026","created_at":"2026-07-04T17:18:51.004088+00:00"},{"alias_kind":"pith_short_12","alias_value":"55WSWBIEKW5R","created_at":"2026-07-04T17:18:51.004088+00:00"},{"alias_kind":"pith_short_16","alias_value":"55WSWBIEKW5RLDKE","created_at":"2026-07-04T17:18:51.004088+00:00"},{"alias_kind":"pith_short_8","alias_value":"55WSWBIE","created_at":"2026-07-04T17:18:51.004088+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2607.08542","citing_title":"Constraints on the properties of warm ionized gas from low-frequency hydrogen radio recombination lines","ref_index":62,"is_internal_anchor":true},{"citing_arxiv_id":"2607.07068","citing_title":"Unveiling the Milky Way with a Gaia DR3 census of OB-type stars within 2 kpc. I. Tracing local Galactic structure, massive star-forming regions and core-collapse supernova progenitors","ref_index":167,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/55WSWBIEKW5RLDKELF3SI6IYT3","json":"https://pith.science/pith/55WSWBIEKW5RLDKELF3SI6IYT3.json","graph_json":"https://pith.science/api/pith-number/55WSWBIEKW5RLDKELF3SI6IYT3/graph.json","events_json":"https://pith.science/api/pith-number/55WSWBIEKW5RLDKELF3SI6IYT3/events.json","paper":"https://pith.science/paper/55WSWBIE"},"agent_actions":{"view_html":"https://pith.science/pith/55WSWBIEKW5RLDKELF3SI6IYT3","download_json":"https://pith.science/pith/55WSWBIEKW5RLDKELF3SI6IYT3.json","view_paper":"https://pith.science/paper/55WSWBIE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0906.1026&json=true","fetch_graph":"https://pith.science/api/pith-number/55WSWBIEKW5RLDKELF3SI6IYT3/graph.json","fetch_events":"https://pith.science/api/pith-number/55WSWBIEKW5RLDKELF3SI6IYT3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/55WSWBIEKW5RLDKELF3SI6IYT3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/55WSWBIEKW5RLDKELF3SI6IYT3/action/storage_attestation","attest_author":"https://pith.science/pith/55WSWBIEKW5RLDKELF3SI6IYT3/action/author_attestation","sign_citation":"https://pith.science/pith/55WSWBIEKW5RLDKELF3SI6IYT3/action/citation_signature","submit_replication":"https://pith.science/pith/55WSWBIEKW5RLDKELF3SI6IYT3/action/replication_record"}},"created_at":"2026-07-04T17:18:51.004088+00:00","updated_at":"2026-07-04T17:18:51.004088+00:00"}