{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2003:2PLJT3F2KPNM3SVRRVSG26WDY5","short_pith_number":"pith:2PLJT3F2","schema_version":"1.0","canonical_sha256":"d3d699ecba53dacdcab18d646d7ac3c77c422964a69db241b31cc42c43dbdb56","source":{"kind":"arxiv","id":"astro-ph/0302260","version":2},"attestation_state":"computed","paper":{"title":"On the Geometry of the High-Velocity Ejecta of the Peculiar Type Ia Supernova 2000cx","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Alexei V. Filippenko, David Branch, E. Baron, Ken'ichi Nomoto, R. C. Thomas, Weidong Li","submitted_at":"2003-02-13T20:16:12Z","abstract_excerpt":"High-velocity features in Type Ia supernova spectra provide a way to probe the outer layers of these explosions. The maximum-light spectra of the unique Type Ia supernova 2000cx exhibit interesting Ca II features with high-velocity components. The infrared triplet absorption is quadruply notched, while the H&K absorption is wide and flat. Stimulated by a three-dimensional interpretation of similar Ca II features in another Type Ia supernova (SN 2001el, Kasen et al. 2003), we present alternative spherically symmetric and three-dimensional ejecta models to fit the high-velocity (v > 16,000 km/s)"},"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":"astro-ph/0302260","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-02-13T20:16:12Z","cross_cats_sorted":[],"title_canon_sha256":"7a4fa59d0672f87cf157926787e9ff9593eaba177e957b95b7fc1bf7b2c9491a","abstract_canon_sha256":"08cc48192d49db5271bead88bc254b6a22312955c2bd7f6f3f9426321539b6e4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:36:29.659043Z","signature_b64":"u5K9vWNYlEC3sdfk7qUDG32k2/CdZnMgLdxc+pg0v8E8duDsAHsxZYqQsLyRW6Ul+/lRGD7o3HUP/MOS98huAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d3d699ecba53dacdcab18d646d7ac3c77c422964a69db241b31cc42c43dbdb56","last_reissued_at":"2026-07-04T16:36:29.658505Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:36:29.658505Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the Geometry of the High-Velocity Ejecta of the Peculiar Type Ia Supernova 2000cx","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Alexei V. Filippenko, David Branch, E. Baron, Ken'ichi Nomoto, R. C. Thomas, Weidong Li","submitted_at":"2003-02-13T20:16:12Z","abstract_excerpt":"High-velocity features in Type Ia supernova spectra provide a way to probe the outer layers of these explosions. The maximum-light spectra of the unique Type Ia supernova 2000cx exhibit interesting Ca II features with high-velocity components. The infrared triplet absorption is quadruply notched, while the H&K absorption is wide and flat. Stimulated by a three-dimensional interpretation of similar Ca II features in another Type Ia supernova (SN 2001el, Kasen et al. 2003), we present alternative spherically symmetric and three-dimensional ejecta models to fit the high-velocity (v > 16,000 km/s)"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0302260","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0302260/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"astro-ph/0302260","created_at":"2026-07-04T16:36:29.658569+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0302260v2","created_at":"2026-07-04T16:36:29.658569+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0302260","created_at":"2026-07-04T16:36:29.658569+00:00"},{"alias_kind":"pith_short_12","alias_value":"2PLJT3F2KPNM","created_at":"2026-07-04T16:36:29.658569+00:00"},{"alias_kind":"pith_short_16","alias_value":"2PLJT3F2KPNM3SVR","created_at":"2026-07-04T16:36:29.658569+00:00"},{"alias_kind":"pith_short_8","alias_value":"2PLJT3F2","created_at":"2026-07-04T16:36:29.658569+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/2PLJT3F2KPNM3SVRRVSG26WDY5","json":"https://pith.science/pith/2PLJT3F2KPNM3SVRRVSG26WDY5.json","graph_json":"https://pith.science/api/pith-number/2PLJT3F2KPNM3SVRRVSG26WDY5/graph.json","events_json":"https://pith.science/api/pith-number/2PLJT3F2KPNM3SVRRVSG26WDY5/events.json","paper":"https://pith.science/paper/2PLJT3F2"},"agent_actions":{"view_html":"https://pith.science/pith/2PLJT3F2KPNM3SVRRVSG26WDY5","download_json":"https://pith.science/pith/2PLJT3F2KPNM3SVRRVSG26WDY5.json","view_paper":"https://pith.science/paper/2PLJT3F2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0302260&json=true","fetch_graph":"https://pith.science/api/pith-number/2PLJT3F2KPNM3SVRRVSG26WDY5/graph.json","fetch_events":"https://pith.science/api/pith-number/2PLJT3F2KPNM3SVRRVSG26WDY5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2PLJT3F2KPNM3SVRRVSG26WDY5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2PLJT3F2KPNM3SVRRVSG26WDY5/action/storage_attestation","attest_author":"https://pith.science/pith/2PLJT3F2KPNM3SVRRVSG26WDY5/action/author_attestation","sign_citation":"https://pith.science/pith/2PLJT3F2KPNM3SVRRVSG26WDY5/action/citation_signature","submit_replication":"https://pith.science/pith/2PLJT3F2KPNM3SVRRVSG26WDY5/action/replication_record"}},"created_at":"2026-07-04T16:36:29.658569+00:00","updated_at":"2026-07-04T16:36:29.658569+00:00"}