{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1996:J6NC3HJ3K44GHGGYJCC6JQCB5W","short_pith_number":"pith:J6NC3HJ3","schema_version":"1.0","canonical_sha256":"4f9a2d9d3b57386398d84885e4c041eda641764b6199d7b34d41d74b02925445","source":{"kind":"arxiv","id":"astro-ph/9604143","version":1},"attestation_state":"computed","paper":{"title":"A Precise Distance Indicator: Type Ia Supernova Multicolor Light Curve Shapes","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Adam Riess, Robert Kirshner, William Press","submitted_at":"1996-04-24T19:03:37Z","abstract_excerpt":"We present an empirical method that uses multicolor light curve shapes (MLCS) to estimate the luminosity, distance, and total line-of-sight extinction of Type Ia supernovae (SN Ia). The empirical correlation between the MLCS and the luminosity is derived from a ``training set'' of nine SN Ia light curves with independent distance and reddening estimates. We find that intrinsically dim SN Ia are redder and have faster light curves than the bright ones which are slow and blue. By thirty-five days after maximum the intrinsic color variations become negligable. A formal treatment of extinction emp"},"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/9604143","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1996-04-24T19:03:37Z","cross_cats_sorted":[],"title_canon_sha256":"a28e663de77bcc292cfb94b2d09fb24ef625b46c3555695c22f8dcacbe659cab","abstract_canon_sha256":"f88084c0b565062bdeb1041ced796d1fd2c32bc77588ca0dff6fbedda5804ec5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:45:43.479436Z","signature_b64":"GM5he06kdEPE5wHwLu3/CB5D1RlY6NObqwsaqarZttbQXwfIZqLhK4PAVB1XEQpTaADJXxhTfQdlkICzgNW3Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4f9a2d9d3b57386398d84885e4c041eda641764b6199d7b34d41d74b02925445","last_reissued_at":"2026-07-04T15:45:43.479056Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:45:43.479056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Precise Distance Indicator: Type Ia Supernova Multicolor Light Curve Shapes","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Adam Riess, Robert Kirshner, William Press","submitted_at":"1996-04-24T19:03:37Z","abstract_excerpt":"We present an empirical method that uses multicolor light curve shapes (MLCS) to estimate the luminosity, distance, and total line-of-sight extinction of Type Ia supernovae (SN Ia). The empirical correlation between the MLCS and the luminosity is derived from a ``training set'' of nine SN Ia light curves with independent distance and reddening estimates. We find that intrinsically dim SN Ia are redder and have faster light curves than the bright ones which are slow and blue. By thirty-five days after maximum the intrinsic color variations become negligable. A formal treatment of extinction emp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9604143","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/9604143/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/9604143","created_at":"2026-07-04T15:45:43.479124+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9604143v1","created_at":"2026-07-04T15:45:43.479124+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9604143","created_at":"2026-07-04T15:45:43.479124+00:00"},{"alias_kind":"pith_short_12","alias_value":"J6NC3HJ3K44G","created_at":"2026-07-04T15:45:43.479124+00:00"},{"alias_kind":"pith_short_16","alias_value":"J6NC3HJ3K44GHGGY","created_at":"2026-07-04T15:45:43.479124+00:00"},{"alias_kind":"pith_short_8","alias_value":"J6NC3HJ3","created_at":"2026-07-04T15:45:43.479124+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2606.07505","citing_title":"Primordial Black Hole Triggered Type Ia Supernovae II: Comparison with Supernova Remnants and Galactic Chemical Evolution","ref_index":78,"is_internal_anchor":true},{"citing_arxiv_id":"2604.24761","citing_title":"Cosmological Impact of Redshift-Dependent Type Ia Supernovae Calibration","ref_index":12,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/J6NC3HJ3K44GHGGYJCC6JQCB5W","json":"https://pith.science/pith/J6NC3HJ3K44GHGGYJCC6JQCB5W.json","graph_json":"https://pith.science/api/pith-number/J6NC3HJ3K44GHGGYJCC6JQCB5W/graph.json","events_json":"https://pith.science/api/pith-number/J6NC3HJ3K44GHGGYJCC6JQCB5W/events.json","paper":"https://pith.science/paper/J6NC3HJ3"},"agent_actions":{"view_html":"https://pith.science/pith/J6NC3HJ3K44GHGGYJCC6JQCB5W","download_json":"https://pith.science/pith/J6NC3HJ3K44GHGGYJCC6JQCB5W.json","view_paper":"https://pith.science/paper/J6NC3HJ3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/9604143&json=true","fetch_graph":"https://pith.science/api/pith-number/J6NC3HJ3K44GHGGYJCC6JQCB5W/graph.json","fetch_events":"https://pith.science/api/pith-number/J6NC3HJ3K44GHGGYJCC6JQCB5W/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/J6NC3HJ3K44GHGGYJCC6JQCB5W/action/timestamp_anchor","attest_storage":"https://pith.science/pith/J6NC3HJ3K44GHGGYJCC6JQCB5W/action/storage_attestation","attest_author":"https://pith.science/pith/J6NC3HJ3K44GHGGYJCC6JQCB5W/action/author_attestation","sign_citation":"https://pith.science/pith/J6NC3HJ3K44GHGGYJCC6JQCB5W/action/citation_signature","submit_replication":"https://pith.science/pith/J6NC3HJ3K44GHGGYJCC6JQCB5W/action/replication_record"}},"created_at":"2026-07-04T15:45:43.479124+00:00","updated_at":"2026-07-04T15:45:43.479124+00:00"}