{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:F6BYVOSRNXIWKZGKEQRHM4E56Q","short_pith_number":"pith:F6BYVOSR","schema_version":"1.0","canonical_sha256":"2f838aba516dd16564ca242276709df415bd6aefb071b8233eb008bc16b285d0","source":{"kind":"arxiv","id":"1411.1064","version":1},"attestation_state":"computed","paper":{"title":"The Rising Light Curves of Type Ia Supernovae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.HE","authors_text":"A. Gal-Yam, A. L. Piro, C. Baltay, D. A. Howell, D. Rabinowitz, E. Hadjiyksta, E. Ofek, E. S. Walker, K. Maguire, M. Sullivan, P. Nugent, R. E. Firth, R. McKinnon, U. Feindt","submitted_at":"2014-11-04T21:00:13Z","abstract_excerpt":"We present an analysis of the early, rising light curves of 18 Type Ia supernovae (SNe Ia) discovered by the Palomar Transient Factory (PTF) and the La Silla-QUEST variability survey (LSQ). We fit these early data flux using a simple power-law $(f(t) = {\\alpha\\times t^n})$ to determine the time of first light $({t_0})$, and hence the rise-time $({t_{rise}})$ from first light to peak luminosity, and the exponent of the power-law rise ($n$). We find a mean uncorrected rise time of $18.98 {\\pm} 0.54$ days, with individual SN rise-times ranging from $15.98$ to $24.7$ days. The exponent n shows sig"},"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":"1411.1064","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-11-04T21:00:13Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"3f3ff1df91c4e5e1af316f299e6505eee204ef5143b7d369353f7e94679d45ec","abstract_canon_sha256":"c078ebae5c0808003c57cbd640601e4182c1240e05b710d2b0dfe0ab57657c43"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:35.171267Z","signature_b64":"fFljZvuDKiciGs8v1KLwirkuqrHwdxrLbKnMXtCimq3tl9fG/aC44dj5X3wNMlbwsr/tYIx1GP6FCx7ZgFReBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2f838aba516dd16564ca242276709df415bd6aefb071b8233eb008bc16b285d0","last_reissued_at":"2026-05-18T01:41:35.170619Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:35.170619Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Rising Light Curves of Type Ia Supernovae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.HE","authors_text":"A. Gal-Yam, A. L. Piro, C. Baltay, D. A. Howell, D. Rabinowitz, E. Hadjiyksta, E. Ofek, E. S. Walker, K. Maguire, M. Sullivan, P. Nugent, R. E. Firth, R. McKinnon, U. Feindt","submitted_at":"2014-11-04T21:00:13Z","abstract_excerpt":"We present an analysis of the early, rising light curves of 18 Type Ia supernovae (SNe Ia) discovered by the Palomar Transient Factory (PTF) and the La Silla-QUEST variability survey (LSQ). We fit these early data flux using a simple power-law $(f(t) = {\\alpha\\times t^n})$ to determine the time of first light $({t_0})$, and hence the rise-time $({t_{rise}})$ from first light to peak luminosity, and the exponent of the power-law rise ($n$). We find a mean uncorrected rise time of $18.98 {\\pm} 0.54$ days, with individual SN rise-times ranging from $15.98$ to $24.7$ days. The exponent n shows sig"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.1064","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":"1411.1064","created_at":"2026-05-18T01:41:35.170706+00:00"},{"alias_kind":"arxiv_version","alias_value":"1411.1064v1","created_at":"2026-05-18T01:41:35.170706+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.1064","created_at":"2026-05-18T01:41:35.170706+00:00"},{"alias_kind":"pith_short_12","alias_value":"F6BYVOSRNXIW","created_at":"2026-05-18T12:28:28.263976+00:00"},{"alias_kind":"pith_short_16","alias_value":"F6BYVOSRNXIWKZGK","created_at":"2026-05-18T12:28:28.263976+00:00"},{"alias_kind":"pith_short_8","alias_value":"F6BYVOSR","created_at":"2026-05-18T12:28:28.263976+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/F6BYVOSRNXIWKZGKEQRHM4E56Q","json":"https://pith.science/pith/F6BYVOSRNXIWKZGKEQRHM4E56Q.json","graph_json":"https://pith.science/api/pith-number/F6BYVOSRNXIWKZGKEQRHM4E56Q/graph.json","events_json":"https://pith.science/api/pith-number/F6BYVOSRNXIWKZGKEQRHM4E56Q/events.json","paper":"https://pith.science/paper/F6BYVOSR"},"agent_actions":{"view_html":"https://pith.science/pith/F6BYVOSRNXIWKZGKEQRHM4E56Q","download_json":"https://pith.science/pith/F6BYVOSRNXIWKZGKEQRHM4E56Q.json","view_paper":"https://pith.science/paper/F6BYVOSR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1411.1064&json=true","fetch_graph":"https://pith.science/api/pith-number/F6BYVOSRNXIWKZGKEQRHM4E56Q/graph.json","fetch_events":"https://pith.science/api/pith-number/F6BYVOSRNXIWKZGKEQRHM4E56Q/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/F6BYVOSRNXIWKZGKEQRHM4E56Q/action/timestamp_anchor","attest_storage":"https://pith.science/pith/F6BYVOSRNXIWKZGKEQRHM4E56Q/action/storage_attestation","attest_author":"https://pith.science/pith/F6BYVOSRNXIWKZGKEQRHM4E56Q/action/author_attestation","sign_citation":"https://pith.science/pith/F6BYVOSRNXIWKZGKEQRHM4E56Q/action/citation_signature","submit_replication":"https://pith.science/pith/F6BYVOSRNXIWKZGKEQRHM4E56Q/action/replication_record"}},"created_at":"2026-05-18T01:41:35.170706+00:00","updated_at":"2026-05-18T01:41:35.170706+00:00"}