{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:JP52L4I27INHAAAA5UVMPPXBPY","short_pith_number":"pith:JP52L4I2","schema_version":"1.0","canonical_sha256":"4bfba5f11afa1a700000ed2ac7bee17e39c1713c2a1adad97b270b801eb6744f","source":{"kind":"arxiv","id":"1604.08207","version":4},"attestation_state":"computed","paper":{"title":"Host-Galaxy Properties of 32 Low-Redshift Superluminous Supernovae from the Palomar Transient Factory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"Alexei V. Filippenko, Annalisa De Cia, Avishay Gal-Yam, Daniel A. Perley, Lin Yan, Melissa L. Graham, Ofer Yaron, Paul Vreeswijk, Peter E. Nugent, Ragnhild Lunnan, Robert Quimby, Russ Laher","submitted_at":"2016-04-27T20:00:02Z","abstract_excerpt":"We present ultraviolet through near-infrared photometry and spectroscopy of the host galaxies of all superluminous supernovae (SLSNe) discovered by the Palomar Transient Factory prior to 2013, and derive measurements of their luminosities, star-formation rates, stellar masses, and gas-phase metallicities. We find that Type I (hydrogen-poor) SLSNe are found almost exclusively in low-mass (M < 2x10^9 M_sun) and metal-poor (12+log[O/H] < 8.4) galaxies. We compare the mass and metallicity distributions of our sample to nearby galaxy catalogs in detail and conclude that the rate of SLSNe-I as a fra"},"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":"1604.08207","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-04-27T20:00:02Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"47abaf6607acb6ac5569377b117ecc52fde84ce0b0674aef6d9edb5eec7d942d","abstract_canon_sha256":"313732381c9390278deabed9386072c50975ddeef323f00c61c4b1b7e38f27d6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:02:12.864425Z","signature_b64":"s9jU48VSSioCNMIT6TWX3goHJE60pN83b5boG5JxK8DL3YwDfOrO4KNCpkmQJWDCWgBFTd1/u4nBljWuvwV1Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4bfba5f11afa1a700000ed2ac7bee17e39c1713c2a1adad97b270b801eb6744f","last_reissued_at":"2026-05-18T01:02:12.863924Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:02:12.863924Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Host-Galaxy Properties of 32 Low-Redshift Superluminous Supernovae from the Palomar Transient Factory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"Alexei V. Filippenko, Annalisa De Cia, Avishay Gal-Yam, Daniel A. Perley, Lin Yan, Melissa L. Graham, Ofer Yaron, Paul Vreeswijk, Peter E. Nugent, Ragnhild Lunnan, Robert Quimby, Russ Laher","submitted_at":"2016-04-27T20:00:02Z","abstract_excerpt":"We present ultraviolet through near-infrared photometry and spectroscopy of the host galaxies of all superluminous supernovae (SLSNe) discovered by the Palomar Transient Factory prior to 2013, and derive measurements of their luminosities, star-formation rates, stellar masses, and gas-phase metallicities. We find that Type I (hydrogen-poor) SLSNe are found almost exclusively in low-mass (M < 2x10^9 M_sun) and metal-poor (12+log[O/H] < 8.4) galaxies. We compare the mass and metallicity distributions of our sample to nearby galaxy catalogs in detail and conclude that the rate of SLSNe-I as a fra"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.08207","kind":"arxiv","version":4},"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":"1604.08207","created_at":"2026-05-18T01:02:12.863993+00:00"},{"alias_kind":"arxiv_version","alias_value":"1604.08207v4","created_at":"2026-05-18T01:02:12.863993+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.08207","created_at":"2026-05-18T01:02:12.863993+00:00"},{"alias_kind":"pith_short_12","alias_value":"JP52L4I27INH","created_at":"2026-05-18T12:30:25.849896+00:00"},{"alias_kind":"pith_short_16","alias_value":"JP52L4I27INHAAAA","created_at":"2026-05-18T12:30:25.849896+00:00"},{"alias_kind":"pith_short_8","alias_value":"JP52L4I2","created_at":"2026-05-18T12:30:25.849896+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/JP52L4I27INHAAAA5UVMPPXBPY","json":"https://pith.science/pith/JP52L4I27INHAAAA5UVMPPXBPY.json","graph_json":"https://pith.science/api/pith-number/JP52L4I27INHAAAA5UVMPPXBPY/graph.json","events_json":"https://pith.science/api/pith-number/JP52L4I27INHAAAA5UVMPPXBPY/events.json","paper":"https://pith.science/paper/JP52L4I2"},"agent_actions":{"view_html":"https://pith.science/pith/JP52L4I27INHAAAA5UVMPPXBPY","download_json":"https://pith.science/pith/JP52L4I27INHAAAA5UVMPPXBPY.json","view_paper":"https://pith.science/paper/JP52L4I2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1604.08207&json=true","fetch_graph":"https://pith.science/api/pith-number/JP52L4I27INHAAAA5UVMPPXBPY/graph.json","fetch_events":"https://pith.science/api/pith-number/JP52L4I27INHAAAA5UVMPPXBPY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JP52L4I27INHAAAA5UVMPPXBPY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JP52L4I27INHAAAA5UVMPPXBPY/action/storage_attestation","attest_author":"https://pith.science/pith/JP52L4I27INHAAAA5UVMPPXBPY/action/author_attestation","sign_citation":"https://pith.science/pith/JP52L4I27INHAAAA5UVMPPXBPY/action/citation_signature","submit_replication":"https://pith.science/pith/JP52L4I27INHAAAA5UVMPPXBPY/action/replication_record"}},"created_at":"2026-05-18T01:02:12.863993+00:00","updated_at":"2026-05-18T01:02:12.863993+00:00"}