{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:2VJOGHCBZTJQAHLNADLJC7TEFG","short_pith_number":"pith:2VJOGHCB","schema_version":"1.0","canonical_sha256":"d552e31c41ccd3001d6d00d6917e6429aab799539b9165123fa21b1e2317b5ec","source":{"kind":"arxiv","id":"1612.06994","version":1},"attestation_state":"computed","paper":{"title":"Polarization of Rayleigh scattered Ly{\\alpha} in active galactic nuclei","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Hee-Won Lee, Seok-Jun Chang, Yujin Yang","submitted_at":"2016-12-21T07:24:37Z","abstract_excerpt":"The unification scheme of active galactic nuclei (AGNs) invokes an optically thick molecular torus component hiding the broad emission line region. Assuming the presence of a thick neutral component in the molecular torus characterized by a \\ion{H}{I} column density > $10^{22}{\\rm\\ cm^{-2}}$, we propose that far UV radiation around Ly$\\alpha$ can be significantly polarized through Rayleigh scattering. Adopting a Monte Carlo technique we compute polarization of Rayleigh scattered radiation near Ly$\\alpha$ in a thick neutral region in the shape of a slab and a cylindrical shell. It is found that"},"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":"1612.06994","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-12-21T07:24:37Z","cross_cats_sorted":[],"title_canon_sha256":"a7c0a6c9f0f89efb878f5d5c8a6547fcf8209bcdfaebf1ddb8f6179fe4360aa8","abstract_canon_sha256":"d889de9471d985dcdd372224419dd7c5a4a2e86a490fd590df878c6925d8776b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:54:14.904188Z","signature_b64":"C4Cz3yNicq4JP26/JmuRZoQX4o5xA2h1eyiE7EVrfBMVbPJqKFNczeoSU+Lly3XVLZgOacku65hccNW2QtzpDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d552e31c41ccd3001d6d00d6917e6429aab799539b9165123fa21b1e2317b5ec","last_reissued_at":"2026-05-18T00:54:14.903796Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:54:14.903796Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Polarization of Rayleigh scattered Ly{\\alpha} in active galactic nuclei","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Hee-Won Lee, Seok-Jun Chang, Yujin Yang","submitted_at":"2016-12-21T07:24:37Z","abstract_excerpt":"The unification scheme of active galactic nuclei (AGNs) invokes an optically thick molecular torus component hiding the broad emission line region. Assuming the presence of a thick neutral component in the molecular torus characterized by a \\ion{H}{I} column density > $10^{22}{\\rm\\ cm^{-2}}$, we propose that far UV radiation around Ly$\\alpha$ can be significantly polarized through Rayleigh scattering. Adopting a Monte Carlo technique we compute polarization of Rayleigh scattered radiation near Ly$\\alpha$ in a thick neutral region in the shape of a slab and a cylindrical shell. It is found that"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.06994","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":"1612.06994","created_at":"2026-05-18T00:54:14.903858+00:00"},{"alias_kind":"arxiv_version","alias_value":"1612.06994v1","created_at":"2026-05-18T00:54:14.903858+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.06994","created_at":"2026-05-18T00:54:14.903858+00:00"},{"alias_kind":"pith_short_12","alias_value":"2VJOGHCBZTJQ","created_at":"2026-05-18T12:29:55.572404+00:00"},{"alias_kind":"pith_short_16","alias_value":"2VJOGHCBZTJQAHLN","created_at":"2026-05-18T12:29:55.572404+00:00"},{"alias_kind":"pith_short_8","alias_value":"2VJOGHCB","created_at":"2026-05-18T12:29:55.572404+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/2VJOGHCBZTJQAHLNADLJC7TEFG","json":"https://pith.science/pith/2VJOGHCBZTJQAHLNADLJC7TEFG.json","graph_json":"https://pith.science/api/pith-number/2VJOGHCBZTJQAHLNADLJC7TEFG/graph.json","events_json":"https://pith.science/api/pith-number/2VJOGHCBZTJQAHLNADLJC7TEFG/events.json","paper":"https://pith.science/paper/2VJOGHCB"},"agent_actions":{"view_html":"https://pith.science/pith/2VJOGHCBZTJQAHLNADLJC7TEFG","download_json":"https://pith.science/pith/2VJOGHCBZTJQAHLNADLJC7TEFG.json","view_paper":"https://pith.science/paper/2VJOGHCB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1612.06994&json=true","fetch_graph":"https://pith.science/api/pith-number/2VJOGHCBZTJQAHLNADLJC7TEFG/graph.json","fetch_events":"https://pith.science/api/pith-number/2VJOGHCBZTJQAHLNADLJC7TEFG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2VJOGHCBZTJQAHLNADLJC7TEFG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2VJOGHCBZTJQAHLNADLJC7TEFG/action/storage_attestation","attest_author":"https://pith.science/pith/2VJOGHCBZTJQAHLNADLJC7TEFG/action/author_attestation","sign_citation":"https://pith.science/pith/2VJOGHCBZTJQAHLNADLJC7TEFG/action/citation_signature","submit_replication":"https://pith.science/pith/2VJOGHCBZTJQAHLNADLJC7TEFG/action/replication_record"}},"created_at":"2026-05-18T00:54:14.903858+00:00","updated_at":"2026-05-18T00:54:14.903858+00:00"}