{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:M3RD2W6DTLY6I4VZQOATIA2ECD","short_pith_number":"pith:M3RD2W6D","schema_version":"1.0","canonical_sha256":"66e23d5bc39af1e472b9838134034410cdd9b3d4f8117c1c29533a0a7f7c0b06","source":{"kind":"arxiv","id":"2309.00852","version":1},"attestation_state":"computed","paper":{"title":"Are there higher electron densities in narrow emission line regions of Type-1 AGN than Type-2 AGN?","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Zhang XueGuang (GXU)","submitted_at":"2023-09-02T07:43:23Z","abstract_excerpt":"In the manuscript, we check properties of electron densities $n_e$ traced by flux ratio $R_{sii}$ of [S~{\\sc ii}]$\\lambda6716$\\AA~ to [S~{\\sc ii}]$\\lambda6731$\\AA~ in narrow emission line regions (NLRs) between Type-1 AGN and Type-2 AGN in SDSS DR12. Under the framework of Unified Model considering kpc-scale structures, similar $n_e$ in NLRs should be expected between Type-1 AGN and Type-2 AGN. Based on reliable measurements of [S~{\\sc ii}] doublet with measured parameters at least five times larger than corresponding uncertainties, there are 6039 Type-1 AGN and 8725 Type-2 AGN (excluding the "},"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":"2309.00852","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-09-02T07:43:23Z","cross_cats_sorted":[],"title_canon_sha256":"0e313569be6786e6422c20482f0739609da4ab8a4bad823fef7b0bc82e25f8a2","abstract_canon_sha256":"fe50d4d753d70ab9f880e104ad42fb1e9a2529b2254d3a3bab16a08cf8b73cb1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:47:08.319823Z","signature_b64":"QK4tsdZrGZDi2KvBwt2K6usO5mG3m5MUVj2WJdTWzw5lbmkVptjiERPyYMhFPNBI7OzkXk3DvbLr5nCnGGFdBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"66e23d5bc39af1e472b9838134034410cdd9b3d4f8117c1c29533a0a7f7c0b06","last_reissued_at":"2026-07-05T06:47:08.319211Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:47:08.319211Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Are there higher electron densities in narrow emission line regions of Type-1 AGN than Type-2 AGN?","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Zhang XueGuang (GXU)","submitted_at":"2023-09-02T07:43:23Z","abstract_excerpt":"In the manuscript, we check properties of electron densities $n_e$ traced by flux ratio $R_{sii}$ of [S~{\\sc ii}]$\\lambda6716$\\AA~ to [S~{\\sc ii}]$\\lambda6731$\\AA~ in narrow emission line regions (NLRs) between Type-1 AGN and Type-2 AGN in SDSS DR12. Under the framework of Unified Model considering kpc-scale structures, similar $n_e$ in NLRs should be expected between Type-1 AGN and Type-2 AGN. Based on reliable measurements of [S~{\\sc ii}] doublet with measured parameters at least five times larger than corresponding uncertainties, there are 6039 Type-1 AGN and 8725 Type-2 AGN (excluding the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.00852","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/2309.00852/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":"2309.00852","created_at":"2026-07-05T06:47:08.319276+00:00"},{"alias_kind":"arxiv_version","alias_value":"2309.00852v1","created_at":"2026-07-05T06:47:08.319276+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.00852","created_at":"2026-07-05T06:47:08.319276+00:00"},{"alias_kind":"pith_short_12","alias_value":"M3RD2W6DTLY6","created_at":"2026-07-05T06:47:08.319276+00:00"},{"alias_kind":"pith_short_16","alias_value":"M3RD2W6DTLY6I4VZ","created_at":"2026-07-05T06:47:08.319276+00:00"},{"alias_kind":"pith_short_8","alias_value":"M3RD2W6D","created_at":"2026-07-05T06:47:08.319276+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/M3RD2W6DTLY6I4VZQOATIA2ECD","json":"https://pith.science/pith/M3RD2W6DTLY6I4VZQOATIA2ECD.json","graph_json":"https://pith.science/api/pith-number/M3RD2W6DTLY6I4VZQOATIA2ECD/graph.json","events_json":"https://pith.science/api/pith-number/M3RD2W6DTLY6I4VZQOATIA2ECD/events.json","paper":"https://pith.science/paper/M3RD2W6D"},"agent_actions":{"view_html":"https://pith.science/pith/M3RD2W6DTLY6I4VZQOATIA2ECD","download_json":"https://pith.science/pith/M3RD2W6DTLY6I4VZQOATIA2ECD.json","view_paper":"https://pith.science/paper/M3RD2W6D","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2309.00852&json=true","fetch_graph":"https://pith.science/api/pith-number/M3RD2W6DTLY6I4VZQOATIA2ECD/graph.json","fetch_events":"https://pith.science/api/pith-number/M3RD2W6DTLY6I4VZQOATIA2ECD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/M3RD2W6DTLY6I4VZQOATIA2ECD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/M3RD2W6DTLY6I4VZQOATIA2ECD/action/storage_attestation","attest_author":"https://pith.science/pith/M3RD2W6DTLY6I4VZQOATIA2ECD/action/author_attestation","sign_citation":"https://pith.science/pith/M3RD2W6DTLY6I4VZQOATIA2ECD/action/citation_signature","submit_replication":"https://pith.science/pith/M3RD2W6DTLY6I4VZQOATIA2ECD/action/replication_record"}},"created_at":"2026-07-05T06:47:08.319276+00:00","updated_at":"2026-07-05T06:47:08.319276+00:00"}