{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2001:JM73RCGF6XOPHQOEF4MMOGA7TJ","short_pith_number":"pith:JM73RCGF","schema_version":"1.0","canonical_sha256":"4b3fb888c5f5dcf3c1c42f18c7181f9a7dafceb17cb7579065dfaf125cbe06df","source":{"kind":"arxiv","id":"astro-ph/0110079","version":1},"attestation_state":"computed","paper":{"title":"Gamma-Ray Signatures of Supernovae and Hypernovae","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"H. Umeda, I. Tanihata, K. Maeda, K. Nomoto, S. Kumagai, T. Nakamura, Y. Mochizuki","submitted_at":"2001-10-03T13:47:48Z","abstract_excerpt":"We review the characteristics of nucleosynthesis and radioactivities in 'Hypernovae', i.e., supernovae with very large explosion energies ($ \\gsim 10^{52} $ ergs) and their $\\gamma$-ray line signatures. We also discuss the $^{44}$Ti line $\\gamma$-rays from SN1987A and the detectability with INTEGRAL. Signatures of hypernova nucleosynthesis are seen in the large [(Ti, Zn)/Fe] ratios in very metal poor stars. Radioactivities in hypernovae compared to those of ordinary core-collapse supernovae show the following characteristics: 1) The complete Si burning region is more extended, so that the ejec"},"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/0110079","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2001-10-03T13:47:48Z","cross_cats_sorted":[],"title_canon_sha256":"ac6d8c75619e822ea0821501c12c0e1806dbaad09e0fd00e993d8720c510699a","abstract_canon_sha256":"b962361f85d1c12be7d6c1c11f6a048a7fb8c6b73f624d7d882ef94423328f0b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:24:13.273734Z","signature_b64":"x8TUvXuRG6DUlQ8i04vyVpaor5A21iE9hHeu8amMp6iiD1a/QhLZjmcduKKqB5TpzgGjNiqCTdLrKDEoeAgkDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4b3fb888c5f5dcf3c1c42f18c7181f9a7dafceb17cb7579065dfaf125cbe06df","last_reissued_at":"2026-07-04T16:24:13.273205Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:24:13.273205Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Gamma-Ray Signatures of Supernovae and Hypernovae","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"H. Umeda, I. Tanihata, K. Maeda, K. Nomoto, S. Kumagai, T. Nakamura, Y. Mochizuki","submitted_at":"2001-10-03T13:47:48Z","abstract_excerpt":"We review the characteristics of nucleosynthesis and radioactivities in 'Hypernovae', i.e., supernovae with very large explosion energies ($ \\gsim 10^{52} $ ergs) and their $\\gamma$-ray line signatures. We also discuss the $^{44}$Ti line $\\gamma$-rays from SN1987A and the detectability with INTEGRAL. Signatures of hypernova nucleosynthesis are seen in the large [(Ti, Zn)/Fe] ratios in very metal poor stars. Radioactivities in hypernovae compared to those of ordinary core-collapse supernovae show the following characteristics: 1) The complete Si burning region is more extended, so that the ejec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0110079","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/0110079/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/0110079","created_at":"2026-07-04T16:24:13.273260+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0110079v1","created_at":"2026-07-04T16:24:13.273260+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0110079","created_at":"2026-07-04T16:24:13.273260+00:00"},{"alias_kind":"pith_short_12","alias_value":"JM73RCGF6XOP","created_at":"2026-07-04T16:24:13.273260+00:00"},{"alias_kind":"pith_short_16","alias_value":"JM73RCGF6XOPHQOE","created_at":"2026-07-04T16:24:13.273260+00:00"},{"alias_kind":"pith_short_8","alias_value":"JM73RCGF","created_at":"2026-07-04T16:24:13.273260+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/JM73RCGF6XOPHQOEF4MMOGA7TJ","json":"https://pith.science/pith/JM73RCGF6XOPHQOEF4MMOGA7TJ.json","graph_json":"https://pith.science/api/pith-number/JM73RCGF6XOPHQOEF4MMOGA7TJ/graph.json","events_json":"https://pith.science/api/pith-number/JM73RCGF6XOPHQOEF4MMOGA7TJ/events.json","paper":"https://pith.science/paper/JM73RCGF"},"agent_actions":{"view_html":"https://pith.science/pith/JM73RCGF6XOPHQOEF4MMOGA7TJ","download_json":"https://pith.science/pith/JM73RCGF6XOPHQOEF4MMOGA7TJ.json","view_paper":"https://pith.science/paper/JM73RCGF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0110079&json=true","fetch_graph":"https://pith.science/api/pith-number/JM73RCGF6XOPHQOEF4MMOGA7TJ/graph.json","fetch_events":"https://pith.science/api/pith-number/JM73RCGF6XOPHQOEF4MMOGA7TJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JM73RCGF6XOPHQOEF4MMOGA7TJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JM73RCGF6XOPHQOEF4MMOGA7TJ/action/storage_attestation","attest_author":"https://pith.science/pith/JM73RCGF6XOPHQOEF4MMOGA7TJ/action/author_attestation","sign_citation":"https://pith.science/pith/JM73RCGF6XOPHQOEF4MMOGA7TJ/action/citation_signature","submit_replication":"https://pith.science/pith/JM73RCGF6XOPHQOEF4MMOGA7TJ/action/replication_record"}},"created_at":"2026-07-04T16:24:13.273260+00:00","updated_at":"2026-07-04T16:24:13.273260+00:00"}