{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:IOXDLH5Q36MOUJSDQEJV2DDPDQ","short_pith_number":"pith:IOXDLH5Q","schema_version":"1.0","canonical_sha256":"43ae359fb0df98ea264381135d0c6f1c0c271dfd1f972688c1cbc7ae9242c443","source":{"kind":"arxiv","id":"1904.10978","version":1},"attestation_state":"computed","paper":{"title":"Self-consistent predictions for LIER-like emission lines from post-AGB stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Aaron Dotter, Benjamin D. Johnson, Charlie Conroy, Jieun Choi, Julianne J. Dalcanton, Nell Byler, Philip Rosenfield","submitted_at":"2019-04-24T18:00:07Z","abstract_excerpt":"Early type galaxies (ETGs) frequently show emission from warm ionized gas. These Low Ionization Emission Regions (LIERs) were originally attributed to a central, low-luminosity active galactic nuclei. However, the recent discovery of spatially-extended LIER emission suggests ionization by both a central source and an extended component that follows a stellar-like radial distribution. For passively-evolving galaxies with old stellar populations, hot post-Asymptotic Giant Branch (AGB) stars are the only viable extended source of ionizing photons. In this work, we present the first prediction of "},"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":"1904.10978","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-04-24T18:00:07Z","cross_cats_sorted":[],"title_canon_sha256":"5f7578be65fdcf1544770320df69326b978e1b5e1ab0bc177173f527dc310f6b","abstract_canon_sha256":"cc5630592f1769508f125baf86d89e7092194bb4075a0964f3319a639faaea56"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:34.474630Z","signature_b64":"/Fgxuut9QsZ98Fx5nBgLf7WF2PVJsYR50LTcwBrjFQv/77Hcao6AkcdXRMQ+dIpkIXTBcPFpHBpSpN5BWK38DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"43ae359fb0df98ea264381135d0c6f1c0c271dfd1f972688c1cbc7ae9242c443","last_reissued_at":"2026-05-17T23:43:34.474253Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:34.474253Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Self-consistent predictions for LIER-like emission lines from post-AGB stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Aaron Dotter, Benjamin D. Johnson, Charlie Conroy, Jieun Choi, Julianne J. Dalcanton, Nell Byler, Philip Rosenfield","submitted_at":"2019-04-24T18:00:07Z","abstract_excerpt":"Early type galaxies (ETGs) frequently show emission from warm ionized gas. These Low Ionization Emission Regions (LIERs) were originally attributed to a central, low-luminosity active galactic nuclei. However, the recent discovery of spatially-extended LIER emission suggests ionization by both a central source and an extended component that follows a stellar-like radial distribution. For passively-evolving galaxies with old stellar populations, hot post-Asymptotic Giant Branch (AGB) stars are the only viable extended source of ionizing photons. In this work, we present the first prediction of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.10978","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":"1904.10978","created_at":"2026-05-17T23:43:34.474323+00:00"},{"alias_kind":"arxiv_version","alias_value":"1904.10978v1","created_at":"2026-05-17T23:43:34.474323+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.10978","created_at":"2026-05-17T23:43:34.474323+00:00"},{"alias_kind":"pith_short_12","alias_value":"IOXDLH5Q36MO","created_at":"2026-05-18T12:33:18.533446+00:00"},{"alias_kind":"pith_short_16","alias_value":"IOXDLH5Q36MOUJSD","created_at":"2026-05-18T12:33:18.533446+00:00"},{"alias_kind":"pith_short_8","alias_value":"IOXDLH5Q","created_at":"2026-05-18T12:33:18.533446+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/IOXDLH5Q36MOUJSDQEJV2DDPDQ","json":"https://pith.science/pith/IOXDLH5Q36MOUJSDQEJV2DDPDQ.json","graph_json":"https://pith.science/api/pith-number/IOXDLH5Q36MOUJSDQEJV2DDPDQ/graph.json","events_json":"https://pith.science/api/pith-number/IOXDLH5Q36MOUJSDQEJV2DDPDQ/events.json","paper":"https://pith.science/paper/IOXDLH5Q"},"agent_actions":{"view_html":"https://pith.science/pith/IOXDLH5Q36MOUJSDQEJV2DDPDQ","download_json":"https://pith.science/pith/IOXDLH5Q36MOUJSDQEJV2DDPDQ.json","view_paper":"https://pith.science/paper/IOXDLH5Q","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1904.10978&json=true","fetch_graph":"https://pith.science/api/pith-number/IOXDLH5Q36MOUJSDQEJV2DDPDQ/graph.json","fetch_events":"https://pith.science/api/pith-number/IOXDLH5Q36MOUJSDQEJV2DDPDQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IOXDLH5Q36MOUJSDQEJV2DDPDQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IOXDLH5Q36MOUJSDQEJV2DDPDQ/action/storage_attestation","attest_author":"https://pith.science/pith/IOXDLH5Q36MOUJSDQEJV2DDPDQ/action/author_attestation","sign_citation":"https://pith.science/pith/IOXDLH5Q36MOUJSDQEJV2DDPDQ/action/citation_signature","submit_replication":"https://pith.science/pith/IOXDLH5Q36MOUJSDQEJV2DDPDQ/action/replication_record"}},"created_at":"2026-05-17T23:43:34.474323+00:00","updated_at":"2026-05-17T23:43:34.474323+00:00"}