{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:ZAFQ7DCAQ6R2X7BP53FFWATDZQ","short_pith_number":"pith:ZAFQ7DCA","schema_version":"1.0","canonical_sha256":"c80b0f8c4087a3abfc2feeca5b0263cc3b5c25a35424c89ea58a6286b2f68da7","source":{"kind":"arxiv","id":"0907.0084","version":1},"attestation_state":"computed","paper":{"title":"On the electron temperatures in high-metallicity HII regions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"B.Cedres, J.M.Vilchez, L.Mattsson, L.S.Pilyugin","submitted_at":"2009-07-01T08:22:38Z","abstract_excerpt":"The electron temperatures of high-metallicity (12+log(O/H) > 8.2) HII regions have been studied. The empirical ff relations which express the nebular-to- auroral [OIII] line ratio Q_3,O (as well as the nebular-to-auroral [OII] line ratio Q_2,O, and the nebular-to-auroral [NII] line ratio Q_2,N) in terms of the nebular R_3 and R_2 line fluxes in spectra of high-metallicity HII regions are derived, and the electron temperatures t_3,O, t_2,O, and t_2,N in a number of extragalactic HII regions are also determined. Furthermore, the t_2 - t_3 diagram is discussed. It is found that there is a one-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":"0907.0084","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-07-01T08:22:38Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"ba01d899ce46ea89e91cd11b5d3bc5d21ca68354e6e91b53c993951895946778","abstract_canon_sha256":"e795eeecfcb2d28d6ef1208380f1f9187bf4b730dfe865f3f95ae37c9615b7a8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:13:11.535752Z","signature_b64":"6xbMhQEYpAhYCwVvumMbzXCzomPTi6tmSAIYul75FuWWtJscUTpLCYrVOG2a/MDomw8+mC0UEnlRNJU1PLRgAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c80b0f8c4087a3abfc2feeca5b0263cc3b5c25a35424c89ea58a6286b2f68da7","last_reissued_at":"2026-05-18T02:13:11.535093Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:13:11.535093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the electron temperatures in high-metallicity HII regions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"B.Cedres, J.M.Vilchez, L.Mattsson, L.S.Pilyugin","submitted_at":"2009-07-01T08:22:38Z","abstract_excerpt":"The electron temperatures of high-metallicity (12+log(O/H) > 8.2) HII regions have been studied. The empirical ff relations which express the nebular-to- auroral [OIII] line ratio Q_3,O (as well as the nebular-to-auroral [OII] line ratio Q_2,O, and the nebular-to-auroral [NII] line ratio Q_2,N) in terms of the nebular R_3 and R_2 line fluxes in spectra of high-metallicity HII regions are derived, and the electron temperatures t_3,O, t_2,O, and t_2,N in a number of extragalactic HII regions are also determined. Furthermore, the t_2 - t_3 diagram is discussed. It is found that there is a one-to-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.0084","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":"0907.0084","created_at":"2026-05-18T02:13:11.535192+00:00"},{"alias_kind":"arxiv_version","alias_value":"0907.0084v1","created_at":"2026-05-18T02:13:11.535192+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.0084","created_at":"2026-05-18T02:13:11.535192+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZAFQ7DCAQ6R2","created_at":"2026-05-18T12:26:02.257875+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZAFQ7DCAQ6R2X7BP","created_at":"2026-05-18T12:26:02.257875+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZAFQ7DCA","created_at":"2026-05-18T12:26:02.257875+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/ZAFQ7DCAQ6R2X7BP53FFWATDZQ","json":"https://pith.science/pith/ZAFQ7DCAQ6R2X7BP53FFWATDZQ.json","graph_json":"https://pith.science/api/pith-number/ZAFQ7DCAQ6R2X7BP53FFWATDZQ/graph.json","events_json":"https://pith.science/api/pith-number/ZAFQ7DCAQ6R2X7BP53FFWATDZQ/events.json","paper":"https://pith.science/paper/ZAFQ7DCA"},"agent_actions":{"view_html":"https://pith.science/pith/ZAFQ7DCAQ6R2X7BP53FFWATDZQ","download_json":"https://pith.science/pith/ZAFQ7DCAQ6R2X7BP53FFWATDZQ.json","view_paper":"https://pith.science/paper/ZAFQ7DCA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0907.0084&json=true","fetch_graph":"https://pith.science/api/pith-number/ZAFQ7DCAQ6R2X7BP53FFWATDZQ/graph.json","fetch_events":"https://pith.science/api/pith-number/ZAFQ7DCAQ6R2X7BP53FFWATDZQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZAFQ7DCAQ6R2X7BP53FFWATDZQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZAFQ7DCAQ6R2X7BP53FFWATDZQ/action/storage_attestation","attest_author":"https://pith.science/pith/ZAFQ7DCAQ6R2X7BP53FFWATDZQ/action/author_attestation","sign_citation":"https://pith.science/pith/ZAFQ7DCAQ6R2X7BP53FFWATDZQ/action/citation_signature","submit_replication":"https://pith.science/pith/ZAFQ7DCAQ6R2X7BP53FFWATDZQ/action/replication_record"}},"created_at":"2026-05-18T02:13:11.535192+00:00","updated_at":"2026-05-18T02:13:11.535192+00:00"}