{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:EXKPLH2X33J6YTZ7NQ5PSKRHJJ","short_pith_number":"pith:EXKPLH2X","schema_version":"1.0","canonical_sha256":"25d4f59f57ded3ec4f3f6c3af92a274a5be5b4c7977dc38be698104b757197f7","source":{"kind":"arxiv","id":"1808.04491","version":1},"attestation_state":"computed","paper":{"title":"A SALT Spectral Study of S0s Hosting Pseudobulges","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Ajit Kembhavi, Kaustubh Vaghmare, Petri V\\\"ais\\\"anen, Rajin Ramphul, Sudhanshu Barway, Yogesh Wadadekar","submitted_at":"2018-08-13T23:45:32Z","abstract_excerpt":"We present a SALT-RSS spectroscopic study of a sample of S0 galaxies established by Vaghmare et al. (2015) as having pseudobulges using a combination of photometric criteria. We extract the spectra of various regions along the galaxy major axis using standard long-slit spectroscopic reduction procedures and model the spectra using STARLIGHT to derive detailed star formation histories. The central spectra of galaxies without bars in our sample reveal a complex star formation history, which is consistent with the belief that pseudobulges have a history of star formation distributed over extended"},"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":"1808.04491","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-13T23:45:32Z","cross_cats_sorted":[],"title_canon_sha256":"aa7287dc0fab8aa50c7801b1d1e04e88e075defd7329a81f9415e5aff46a60e2","abstract_canon_sha256":"df19979bbb9eb90b85097b983c7e67276ac589debbeed94ad71035fbbf9f13ef"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:07:39.846934Z","signature_b64":"xXvKdKnrMqBt2eTcYzIx5dz113eeOBbK0mUZcJtVsaZAfI8R9mDCeOosbHwGrIVL2AD01xQxXXuEUoA2N9d5Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"25d4f59f57ded3ec4f3f6c3af92a274a5be5b4c7977dc38be698104b757197f7","last_reissued_at":"2026-05-18T00:07:39.846365Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:07:39.846365Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A SALT Spectral Study of S0s Hosting Pseudobulges","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Ajit Kembhavi, Kaustubh Vaghmare, Petri V\\\"ais\\\"anen, Rajin Ramphul, Sudhanshu Barway, Yogesh Wadadekar","submitted_at":"2018-08-13T23:45:32Z","abstract_excerpt":"We present a SALT-RSS spectroscopic study of a sample of S0 galaxies established by Vaghmare et al. (2015) as having pseudobulges using a combination of photometric criteria. We extract the spectra of various regions along the galaxy major axis using standard long-slit spectroscopic reduction procedures and model the spectra using STARLIGHT to derive detailed star formation histories. The central spectra of galaxies without bars in our sample reveal a complex star formation history, which is consistent with the belief that pseudobulges have a history of star formation distributed over extended"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.04491","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":"1808.04491","created_at":"2026-05-18T00:07:39.846452+00:00"},{"alias_kind":"arxiv_version","alias_value":"1808.04491v1","created_at":"2026-05-18T00:07:39.846452+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.04491","created_at":"2026-05-18T00:07:39.846452+00:00"},{"alias_kind":"pith_short_12","alias_value":"EXKPLH2X33J6","created_at":"2026-05-18T12:32:22.470017+00:00"},{"alias_kind":"pith_short_16","alias_value":"EXKPLH2X33J6YTZ7","created_at":"2026-05-18T12:32:22.470017+00:00"},{"alias_kind":"pith_short_8","alias_value":"EXKPLH2X","created_at":"2026-05-18T12:32:22.470017+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/EXKPLH2X33J6YTZ7NQ5PSKRHJJ","json":"https://pith.science/pith/EXKPLH2X33J6YTZ7NQ5PSKRHJJ.json","graph_json":"https://pith.science/api/pith-number/EXKPLH2X33J6YTZ7NQ5PSKRHJJ/graph.json","events_json":"https://pith.science/api/pith-number/EXKPLH2X33J6YTZ7NQ5PSKRHJJ/events.json","paper":"https://pith.science/paper/EXKPLH2X"},"agent_actions":{"view_html":"https://pith.science/pith/EXKPLH2X33J6YTZ7NQ5PSKRHJJ","download_json":"https://pith.science/pith/EXKPLH2X33J6YTZ7NQ5PSKRHJJ.json","view_paper":"https://pith.science/paper/EXKPLH2X","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1808.04491&json=true","fetch_graph":"https://pith.science/api/pith-number/EXKPLH2X33J6YTZ7NQ5PSKRHJJ/graph.json","fetch_events":"https://pith.science/api/pith-number/EXKPLH2X33J6YTZ7NQ5PSKRHJJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EXKPLH2X33J6YTZ7NQ5PSKRHJJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EXKPLH2X33J6YTZ7NQ5PSKRHJJ/action/storage_attestation","attest_author":"https://pith.science/pith/EXKPLH2X33J6YTZ7NQ5PSKRHJJ/action/author_attestation","sign_citation":"https://pith.science/pith/EXKPLH2X33J6YTZ7NQ5PSKRHJJ/action/citation_signature","submit_replication":"https://pith.science/pith/EXKPLH2X33J6YTZ7NQ5PSKRHJJ/action/replication_record"}},"created_at":"2026-05-18T00:07:39.846452+00:00","updated_at":"2026-05-18T00:07:39.846452+00:00"}