{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2002:KYI5SHOS7YDGY263WZSXMC4HKW","short_pith_number":"pith:KYI5SHOS","schema_version":"1.0","canonical_sha256":"5611d91dd2fe066c6bdbb665760b8755b546a994b485bddf50209149444091d3","source":{"kind":"arxiv","id":"astro-ph/0209174","version":1},"attestation_state":"computed","paper":{"title":"Observed and Physical Properties of Core-Collapse Supernovae","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Mario Hamuy","submitted_at":"2002-09-10T03:29:10Z","abstract_excerpt":"I use photometry and spectroscopy data for 24 Type II plateau supernovae to examine their observed and physical properties. This dataset shows that these objects encompass a wide range of ~5 mag in their plateau luminosities, their expansion velocities vary by x5, and the nickel masses produced in these explosions go from 0.0016 to 0.26 Mo. From a subset of 16 objects I find that the explosion energies vary between 0.6x and 5.5x10^51 ergs, the ejected masses encompass the range 14-56 Mo, and the progenitors' radii go from 80 to 600 Ro. Despite this great diversity several regularities emerge, "},"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/0209174","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2002-09-10T03:29:10Z","cross_cats_sorted":[],"title_canon_sha256":"be5489a1e9b1ea467a3e8a159b7359550b2d7fd7fe787c4a86ef92eed097f07a","abstract_canon_sha256":"430b72346e904ad45502ef774b122910f70001a3432ba2724c8c32bfb60c8fa9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:25:11.897624Z","signature_b64":"YAXvAUArNyferRAXoRoW6wBcgv4VtzdP3ArS+xWv/6QomeCgKhXJkTg79Im1KWbnVgs0EFWeQFUbR4QnTiX8Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5611d91dd2fe066c6bdbb665760b8755b546a994b485bddf50209149444091d3","last_reissued_at":"2026-07-04T17:25:11.897161Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:25:11.897161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Observed and Physical Properties of Core-Collapse Supernovae","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Mario Hamuy","submitted_at":"2002-09-10T03:29:10Z","abstract_excerpt":"I use photometry and spectroscopy data for 24 Type II plateau supernovae to examine their observed and physical properties. This dataset shows that these objects encompass a wide range of ~5 mag in their plateau luminosities, their expansion velocities vary by x5, and the nickel masses produced in these explosions go from 0.0016 to 0.26 Mo. From a subset of 16 objects I find that the explosion energies vary between 0.6x and 5.5x10^51 ergs, the ejected masses encompass the range 14-56 Mo, and the progenitors' radii go from 80 to 600 Ro. Despite this great diversity several regularities emerge, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0209174","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/0209174/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/0209174","created_at":"2026-07-04T17:25:11.897218+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0209174v1","created_at":"2026-07-04T17:25:11.897218+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0209174","created_at":"2026-07-04T17:25:11.897218+00:00"},{"alias_kind":"pith_short_12","alias_value":"KYI5SHOS7YDG","created_at":"2026-07-04T17:25:11.897218+00:00"},{"alias_kind":"pith_short_16","alias_value":"KYI5SHOS7YDGY263","created_at":"2026-07-04T17:25:11.897218+00:00"},{"alias_kind":"pith_short_8","alias_value":"KYI5SHOS","created_at":"2026-07-04T17:25:11.897218+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/KYI5SHOS7YDGY263WZSXMC4HKW","json":"https://pith.science/pith/KYI5SHOS7YDGY263WZSXMC4HKW.json","graph_json":"https://pith.science/api/pith-number/KYI5SHOS7YDGY263WZSXMC4HKW/graph.json","events_json":"https://pith.science/api/pith-number/KYI5SHOS7YDGY263WZSXMC4HKW/events.json","paper":"https://pith.science/paper/KYI5SHOS"},"agent_actions":{"view_html":"https://pith.science/pith/KYI5SHOS7YDGY263WZSXMC4HKW","download_json":"https://pith.science/pith/KYI5SHOS7YDGY263WZSXMC4HKW.json","view_paper":"https://pith.science/paper/KYI5SHOS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0209174&json=true","fetch_graph":"https://pith.science/api/pith-number/KYI5SHOS7YDGY263WZSXMC4HKW/graph.json","fetch_events":"https://pith.science/api/pith-number/KYI5SHOS7YDGY263WZSXMC4HKW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KYI5SHOS7YDGY263WZSXMC4HKW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KYI5SHOS7YDGY263WZSXMC4HKW/action/storage_attestation","attest_author":"https://pith.science/pith/KYI5SHOS7YDGY263WZSXMC4HKW/action/author_attestation","sign_citation":"https://pith.science/pith/KYI5SHOS7YDGY263WZSXMC4HKW/action/citation_signature","submit_replication":"https://pith.science/pith/KYI5SHOS7YDGY263WZSXMC4HKW/action/replication_record"}},"created_at":"2026-07-04T17:25:11.897218+00:00","updated_at":"2026-07-04T17:25:11.897218+00:00"}