{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2000:RG7VNMTDI3O2TXR2XEAPWZE4WF","short_pith_number":"pith:RG7VNMTD","schema_version":"1.0","canonical_sha256":"89bf56b26346dda9de3ab900fb649cb15d0ad82a6b2f6ea9d454bca95d21d9cc","source":{"kind":"arxiv","id":"hep-ph/0010240","version":2},"attestation_state":"computed","paper":{"title":"Inverted Hierarchy of Neutrino Masses Disfavored by Supernova 1987A","license":"","headline":"","cross_cats":["astro-ph"],"primary_cat":"hep-ph","authors_text":"Hiroshi Nunokawa, Hisakazu Minakata","submitted_at":"2000-10-20T16:15:58Z","abstract_excerpt":"We discuss the flavor conversion of supernova neutrinos in the three-flavor mixing scheme of neutrinos. We point out that by neutrino observation from supernova one can discriminate the inverted hierarchy of neutrino masses from the normal one if s_{13}^2 \\gsim a few \\times 10^{-4}, irrespective of which oscillation solution to the solar neutrino problem is realized in nature. We perform an analysis of data of SN1987A and obtain a strong indication that the inverted mass hierarchy is disfavored unless s_{13}^2 \\lsim a few \\times 10^{-4}."},"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":"hep-ph/0010240","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2000-10-20T16:15:58Z","cross_cats_sorted":["astro-ph"],"title_canon_sha256":"7c185d58cafeafebddb3c1d58d134f6a26c5a8a0b8c4b3061cebfcf17a7a720e","abstract_canon_sha256":"6f9350cec0cf4c6547f11f9783e8d9d17765c47290d5612ceba483e5abed8a33"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:20:29.561212Z","signature_b64":"Mza1SGNCznPtxvAWPQn7yHdrQ9YR03FlYuOqQsTFJsghOMuOYIKC1tyQejfM+q9aTRCbXEZFbwTLJvNfVfNlBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"89bf56b26346dda9de3ab900fb649cb15d0ad82a6b2f6ea9d454bca95d21d9cc","last_reissued_at":"2026-07-04T16:20:29.560735Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:20:29.560735Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Inverted Hierarchy of Neutrino Masses Disfavored by Supernova 1987A","license":"","headline":"","cross_cats":["astro-ph"],"primary_cat":"hep-ph","authors_text":"Hiroshi Nunokawa, Hisakazu Minakata","submitted_at":"2000-10-20T16:15:58Z","abstract_excerpt":"We discuss the flavor conversion of supernova neutrinos in the three-flavor mixing scheme of neutrinos. We point out that by neutrino observation from supernova one can discriminate the inverted hierarchy of neutrino masses from the normal one if s_{13}^2 \\gsim a few \\times 10^{-4}, irrespective of which oscillation solution to the solar neutrino problem is realized in nature. We perform an analysis of data of SN1987A and obtain a strong indication that the inverted mass hierarchy is disfavored unless s_{13}^2 \\lsim a few \\times 10^{-4}."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0010240","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/hep-ph/0010240/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":"hep-ph/0010240","created_at":"2026-07-04T16:20:29.560791+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0010240v2","created_at":"2026-07-04T16:20:29.560791+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0010240","created_at":"2026-07-04T16:20:29.560791+00:00"},{"alias_kind":"pith_short_12","alias_value":"RG7VNMTDI3O2","created_at":"2026-07-04T16:20:29.560791+00:00"},{"alias_kind":"pith_short_16","alias_value":"RG7VNMTDI3O2TXR2","created_at":"2026-07-04T16:20:29.560791+00:00"},{"alias_kind":"pith_short_8","alias_value":"RG7VNMTD","created_at":"2026-07-04T16:20:29.560791+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2501.09445","citing_title":"The flux of electron antineutrinos from supernova SN1987A data","ref_index":50,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/RG7VNMTDI3O2TXR2XEAPWZE4WF","json":"https://pith.science/pith/RG7VNMTDI3O2TXR2XEAPWZE4WF.json","graph_json":"https://pith.science/api/pith-number/RG7VNMTDI3O2TXR2XEAPWZE4WF/graph.json","events_json":"https://pith.science/api/pith-number/RG7VNMTDI3O2TXR2XEAPWZE4WF/events.json","paper":"https://pith.science/paper/RG7VNMTD"},"agent_actions":{"view_html":"https://pith.science/pith/RG7VNMTDI3O2TXR2XEAPWZE4WF","download_json":"https://pith.science/pith/RG7VNMTDI3O2TXR2XEAPWZE4WF.json","view_paper":"https://pith.science/paper/RG7VNMTD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/0010240&json=true","fetch_graph":"https://pith.science/api/pith-number/RG7VNMTDI3O2TXR2XEAPWZE4WF/graph.json","fetch_events":"https://pith.science/api/pith-number/RG7VNMTDI3O2TXR2XEAPWZE4WF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RG7VNMTDI3O2TXR2XEAPWZE4WF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RG7VNMTDI3O2TXR2XEAPWZE4WF/action/storage_attestation","attest_author":"https://pith.science/pith/RG7VNMTDI3O2TXR2XEAPWZE4WF/action/author_attestation","sign_citation":"https://pith.science/pith/RG7VNMTDI3O2TXR2XEAPWZE4WF/action/citation_signature","submit_replication":"https://pith.science/pith/RG7VNMTDI3O2TXR2XEAPWZE4WF/action/replication_record"}},"created_at":"2026-07-04T16:20:29.560791+00:00","updated_at":"2026-07-04T16:20:29.560791+00:00"}