{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:XIUHWEPTPFU74EDMN4NB7CWDA4","short_pith_number":"pith:XIUHWEPT","schema_version":"1.0","canonical_sha256":"ba287b11f37969fe106c6f1a1f8ac3073b65c6230a16193a885d5b8d0af45841","source":{"kind":"arxiv","id":"1706.04673","version":1},"attestation_state":"computed","paper":{"title":"Dust emission at 8-mic and 24-mic as Diagnostics of HII Region Radiative Transfer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. G. G. M. Tielens, A. Li, C. Bot, E. W. Pellegrini, J. A. Kellar, J. Lopez-Hernandez, J. Roman-Duval, K. D. Gordon, K. E. Jameson, M. Meixner, M. Rubio, M. S. Oey (U. Michigan), S. C. Madden","submitted_at":"2017-06-14T21:31:11Z","abstract_excerpt":"We use the Spitzer SAGE survey of the Magellanic Clouds to evaluate the relationship between the 8-mic PAH emission, 24-mic hot dust emission, and HII region radiative transfer. We confirm that in the higher-metallicity Large Magellanic Cloud, PAH destruction is sensitive to optically thin conditions in the nebular Lyman continuum: objects identified as optically thin candidates based on nebular ionization structure show 6 times lower median 8-mic surface brightness (0.18 mJy arcsec^-2) than their optically thick counterparts (1.2 mJy arcsec^-2). The 24-mic surface brightness also shows a fact"},"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":"1706.04673","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-06-14T21:31:11Z","cross_cats_sorted":[],"title_canon_sha256":"9d7cc2baa807e5d18f91ca53f4c3b9e5ef56ee2a6807db044b3329b90290f5d7","abstract_canon_sha256":"2675e9c97feb1676ded2171346dd1bdf96029f81e387ae895ce795c894291909"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:51.097630Z","signature_b64":"oYdN31cgDu4v4fZ91/9Kvij5/9oPTkU8NGD8UWN3SLPQ0/FY7yP/syTaVXfQLg0jwtSOV12o7t8hTtrdIlNZCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ba287b11f37969fe106c6f1a1f8ac3073b65c6230a16193a885d5b8d0af45841","last_reissued_at":"2026-05-18T00:38:51.097041Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:51.097041Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dust emission at 8-mic and 24-mic as Diagnostics of HII Region Radiative Transfer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. G. G. M. Tielens, A. Li, C. Bot, E. W. Pellegrini, J. A. Kellar, J. Lopez-Hernandez, J. Roman-Duval, K. D. Gordon, K. E. Jameson, M. Meixner, M. Rubio, M. S. Oey (U. Michigan), S. C. Madden","submitted_at":"2017-06-14T21:31:11Z","abstract_excerpt":"We use the Spitzer SAGE survey of the Magellanic Clouds to evaluate the relationship between the 8-mic PAH emission, 24-mic hot dust emission, and HII region radiative transfer. We confirm that in the higher-metallicity Large Magellanic Cloud, PAH destruction is sensitive to optically thin conditions in the nebular Lyman continuum: objects identified as optically thin candidates based on nebular ionization structure show 6 times lower median 8-mic surface brightness (0.18 mJy arcsec^-2) than their optically thick counterparts (1.2 mJy arcsec^-2). The 24-mic surface brightness also shows a fact"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.04673","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":"1706.04673","created_at":"2026-05-18T00:38:51.097135+00:00"},{"alias_kind":"arxiv_version","alias_value":"1706.04673v1","created_at":"2026-05-18T00:38:51.097135+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.04673","created_at":"2026-05-18T00:38:51.097135+00:00"},{"alias_kind":"pith_short_12","alias_value":"XIUHWEPTPFU7","created_at":"2026-05-18T12:31:53.515858+00:00"},{"alias_kind":"pith_short_16","alias_value":"XIUHWEPTPFU74EDM","created_at":"2026-05-18T12:31:53.515858+00:00"},{"alias_kind":"pith_short_8","alias_value":"XIUHWEPT","created_at":"2026-05-18T12:31:53.515858+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/XIUHWEPTPFU74EDMN4NB7CWDA4","json":"https://pith.science/pith/XIUHWEPTPFU74EDMN4NB7CWDA4.json","graph_json":"https://pith.science/api/pith-number/XIUHWEPTPFU74EDMN4NB7CWDA4/graph.json","events_json":"https://pith.science/api/pith-number/XIUHWEPTPFU74EDMN4NB7CWDA4/events.json","paper":"https://pith.science/paper/XIUHWEPT"},"agent_actions":{"view_html":"https://pith.science/pith/XIUHWEPTPFU74EDMN4NB7CWDA4","download_json":"https://pith.science/pith/XIUHWEPTPFU74EDMN4NB7CWDA4.json","view_paper":"https://pith.science/paper/XIUHWEPT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1706.04673&json=true","fetch_graph":"https://pith.science/api/pith-number/XIUHWEPTPFU74EDMN4NB7CWDA4/graph.json","fetch_events":"https://pith.science/api/pith-number/XIUHWEPTPFU74EDMN4NB7CWDA4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XIUHWEPTPFU74EDMN4NB7CWDA4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XIUHWEPTPFU74EDMN4NB7CWDA4/action/storage_attestation","attest_author":"https://pith.science/pith/XIUHWEPTPFU74EDMN4NB7CWDA4/action/author_attestation","sign_citation":"https://pith.science/pith/XIUHWEPTPFU74EDMN4NB7CWDA4/action/citation_signature","submit_replication":"https://pith.science/pith/XIUHWEPTPFU74EDMN4NB7CWDA4/action/replication_record"}},"created_at":"2026-05-18T00:38:51.097135+00:00","updated_at":"2026-05-18T00:38:51.097135+00:00"}