{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:KUTDG2DE4ZHHBFDTH3GLLKXNN2","short_pith_number":"pith:KUTDG2DE","schema_version":"1.0","canonical_sha256":"5526336864e64e7094733eccb5aaed6ea735dcbf7866142f1396c6f26f9cd634","source":{"kind":"arxiv","id":"1706.04439","version":1},"attestation_state":"computed","paper":{"title":"Reddened, Redshifted, or Intrinsically Red? Understanding Near-Ultraviolet Colors of Type Ia Supernovae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Maximilian D. Stritzinger, Nancy J. Landez, Peter A. Milne, Peter J. Brown","submitted_at":"2017-06-08T21:57:23Z","abstract_excerpt":"Understanding the intrinsic colors of Type Ia supernovae (SNe Ia) is important to their use as cosmological standard candles. Understanding the effects of reddening and redshift on the observed colors are complicated and dependent on the intrinsic spectrum, the filter curves, and the wavelength dependence of reddening. We present ultraviolet and optical data of a growing sample of SNe Ia observed with the Ultra-Violet/Optical Telescope on the Swift spacecraft and use this sample to re-examine the near-UV (NUV) colors of SNe Ia. We find that a small amount of reddening (E(B-V)=0.2 mag) could ac"},"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":"1706.04439","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-06-08T21:57:23Z","cross_cats_sorted":[],"title_canon_sha256":"6df731eac47f507eb9f55244a68f58bc2039b3e9c8c5e71ca9fda54f4ae09b2e","abstract_canon_sha256":"41f48f4f885cc0943801dc1fcff8911cbaf5c4b42b023d82c6be6bc96f5e39fc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:22.661719Z","signature_b64":"//otJh0nfAI7ld0zxNzFlM5Myi86yXgR9H1KJ9YX6wtvknmZDvVKoiMAOT9AfF+Uj7Gw0cMw/0JRvvh/jXXMDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5526336864e64e7094733eccb5aaed6ea735dcbf7866142f1396c6f26f9cd634","last_reissued_at":"2026-05-18T00:42:22.661241Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:22.661241Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Reddened, Redshifted, or Intrinsically Red? Understanding Near-Ultraviolet Colors of Type Ia Supernovae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Maximilian D. Stritzinger, Nancy J. Landez, Peter A. Milne, Peter J. Brown","submitted_at":"2017-06-08T21:57:23Z","abstract_excerpt":"Understanding the intrinsic colors of Type Ia supernovae (SNe Ia) is important to their use as cosmological standard candles. Understanding the effects of reddening and redshift on the observed colors are complicated and dependent on the intrinsic spectrum, the filter curves, and the wavelength dependence of reddening. We present ultraviolet and optical data of a growing sample of SNe Ia observed with the Ultra-Violet/Optical Telescope on the Swift spacecraft and use this sample to re-examine the near-UV (NUV) colors of SNe Ia. We find that a small amount of reddening (E(B-V)=0.2 mag) could ac"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.04439","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":"1706.04439","created_at":"2026-05-18T00:42:22.661299+00:00"},{"alias_kind":"arxiv_version","alias_value":"1706.04439v1","created_at":"2026-05-18T00:42:22.661299+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.04439","created_at":"2026-05-18T00:42:22.661299+00:00"},{"alias_kind":"pith_short_12","alias_value":"KUTDG2DE4ZHH","created_at":"2026-05-18T12:31:28.150371+00:00"},{"alias_kind":"pith_short_16","alias_value":"KUTDG2DE4ZHHBFDT","created_at":"2026-05-18T12:31:28.150371+00:00"},{"alias_kind":"pith_short_8","alias_value":"KUTDG2DE","created_at":"2026-05-18T12:31:28.150371+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/KUTDG2DE4ZHHBFDTH3GLLKXNN2","json":"https://pith.science/pith/KUTDG2DE4ZHHBFDTH3GLLKXNN2.json","graph_json":"https://pith.science/api/pith-number/KUTDG2DE4ZHHBFDTH3GLLKXNN2/graph.json","events_json":"https://pith.science/api/pith-number/KUTDG2DE4ZHHBFDTH3GLLKXNN2/events.json","paper":"https://pith.science/paper/KUTDG2DE"},"agent_actions":{"view_html":"https://pith.science/pith/KUTDG2DE4ZHHBFDTH3GLLKXNN2","download_json":"https://pith.science/pith/KUTDG2DE4ZHHBFDTH3GLLKXNN2.json","view_paper":"https://pith.science/paper/KUTDG2DE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1706.04439&json=true","fetch_graph":"https://pith.science/api/pith-number/KUTDG2DE4ZHHBFDTH3GLLKXNN2/graph.json","fetch_events":"https://pith.science/api/pith-number/KUTDG2DE4ZHHBFDTH3GLLKXNN2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KUTDG2DE4ZHHBFDTH3GLLKXNN2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KUTDG2DE4ZHHBFDTH3GLLKXNN2/action/storage_attestation","attest_author":"https://pith.science/pith/KUTDG2DE4ZHHBFDTH3GLLKXNN2/action/author_attestation","sign_citation":"https://pith.science/pith/KUTDG2DE4ZHHBFDTH3GLLKXNN2/action/citation_signature","submit_replication":"https://pith.science/pith/KUTDG2DE4ZHHBFDTH3GLLKXNN2/action/replication_record"}},"created_at":"2026-05-18T00:42:22.661299+00:00","updated_at":"2026-05-18T00:42:22.661299+00:00"}