{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:SQV6NT6HUF4OAVO5PSGS2P52VP","short_pith_number":"pith:SQV6NT6H","canonical_record":{"source":{"id":"hep-ph/0402128","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2004-02-12T16:13:33Z","cross_cats_sorted":["astro-ph"],"title_canon_sha256":"f672b1459a6a3f0a398e364160294f47b1ae50b775c67215a81b610b4715fa8d","abstract_canon_sha256":"93471acf91d8920c4f7bb113f375cf5b2453171f7f5b366b5275ba5060bf4785"},"schema_version":"1.0"},"canonical_sha256":"942be6cfc7a178e055dd7c8d2d3fbaabea774bf030b461064e6b95bfd1f9fc3d","source":{"kind":"arxiv","id":"hep-ph/0402128","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0402128","created_at":"2026-05-18T04:21:31Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0402128v2","created_at":"2026-05-18T04:21:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0402128","created_at":"2026-05-18T04:21:31Z"},{"alias_kind":"pith_short_12","alias_value":"SQV6NT6HUF4O","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"SQV6NT6HUF4OAVO5","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"SQV6NT6H","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:SQV6NT6HUF4OAVO5PSGS2P52VP","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/0402128","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2004-02-12T16:13:33Z","cross_cats_sorted":["astro-ph"],"title_canon_sha256":"f672b1459a6a3f0a398e364160294f47b1ae50b775c67215a81b610b4715fa8d","abstract_canon_sha256":"93471acf91d8920c4f7bb113f375cf5b2453171f7f5b366b5275ba5060bf4785"},"schema_version":"1.0"},"canonical_sha256":"942be6cfc7a178e055dd7c8d2d3fbaabea774bf030b461064e6b95bfd1f9fc3d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:21:31.616735Z","signature_b64":"XfdUqq9tXldF4hoBNi+GNdDhFPMKorpVHoIr7pBJ4ovacxYcYYk4HOLzrfAnFjfTDvj+EjLGCLuSdhov8UwBBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"942be6cfc7a178e055dd7c8d2d3fbaabea774bf030b461064e6b95bfd1f9fc3d","last_reissued_at":"2026-05-18T04:21:31.616353Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:21:31.616353Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/0402128","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:21:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w16VQTDJlk2E9fJ2f9te0YSeFpnXrZAGe2iZlJUJNFKfunvpF4ajm69Nhv7uFUM7E+ZLJ4Yl0HbF52YDERGfBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T16:41:13.360622Z"},"content_sha256":"e1070992f605d061c462e3eeab7fe038375dec6ca06cf893b758975b23b88231","schema_version":"1.0","event_id":"sha256:e1070992f605d061c462e3eeab7fe038375dec6ca06cf893b758975b23b88231"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:SQV6NT6HUF4OAVO5PSGS2P52VP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Neutrinos from SN1987A: flavor conversion and interpretation of results","license":"","headline":"","cross_cats":["astro-ph"],"primary_cat":"hep-ph","authors_text":"A. Yu. Smirnov, C. Lunardini","submitted_at":"2004-02-12T16:13:33Z","abstract_excerpt":"After recent results from solar neutrino experiments and KamLAND we know that neutrinos from SN1987A underwent flavor conversion. This must be taken into account in the analysis of the data. Assuming the normal mass hierarchy of neutrinos we calculate the permutation factors p for the Kamiokande-2, IMB and Baksan detectors. The conversion inside the star leads to p = 0.28 - 0.32; regeneration effects inside the Earth reduce this factor down to 0.15 - 0.20 (at E = 40 MeV). We study in details the influence of conversion on the observed signal depending on the parameters of the original neutrino"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0402128","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":""},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:21:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O8GFfVbG7ip+Yz5Wg0iPPff6J7iN9hIReoL+qZ5hcMCVAHQIjONlm/KSLuoapz80WRrWYnNOo49i9N+MYvRSAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T16:41:13.361339Z"},"content_sha256":"1a1aecf1531f96f136a4e197b3cb5ca78fc31041793a35ddbe15e8189a9fddd5","schema_version":"1.0","event_id":"sha256:1a1aecf1531f96f136a4e197b3cb5ca78fc31041793a35ddbe15e8189a9fddd5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SQV6NT6HUF4OAVO5PSGS2P52VP/bundle.json","state_url":"https://pith.science/pith/SQV6NT6HUF4OAVO5PSGS2P52VP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SQV6NT6HUF4OAVO5PSGS2P52VP/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-30T16:41:13Z","links":{"resolver":"https://pith.science/pith/SQV6NT6HUF4OAVO5PSGS2P52VP","bundle":"https://pith.science/pith/SQV6NT6HUF4OAVO5PSGS2P52VP/bundle.json","state":"https://pith.science/pith/SQV6NT6HUF4OAVO5PSGS2P52VP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SQV6NT6HUF4OAVO5PSGS2P52VP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:SQV6NT6HUF4OAVO5PSGS2P52VP","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"93471acf91d8920c4f7bb113f375cf5b2453171f7f5b366b5275ba5060bf4785","cross_cats_sorted":["astro-ph"],"license":"","primary_cat":"hep-ph","submitted_at":"2004-02-12T16:13:33Z","title_canon_sha256":"f672b1459a6a3f0a398e364160294f47b1ae50b775c67215a81b610b4715fa8d"},"schema_version":"1.0","source":{"id":"hep-ph/0402128","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0402128","created_at":"2026-05-18T04:21:31Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0402128v2","created_at":"2026-05-18T04:21:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0402128","created_at":"2026-05-18T04:21:31Z"},{"alias_kind":"pith_short_12","alias_value":"SQV6NT6HUF4O","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"SQV6NT6HUF4OAVO5","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"SQV6NT6H","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:1a1aecf1531f96f136a4e197b3cb5ca78fc31041793a35ddbe15e8189a9fddd5","target":"graph","created_at":"2026-05-18T04:21:31Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"After recent results from solar neutrino experiments and KamLAND we know that neutrinos from SN1987A underwent flavor conversion. This must be taken into account in the analysis of the data. Assuming the normal mass hierarchy of neutrinos we calculate the permutation factors p for the Kamiokande-2, IMB and Baksan detectors. The conversion inside the star leads to p = 0.28 - 0.32; regeneration effects inside the Earth reduce this factor down to 0.15 - 0.20 (at E = 40 MeV). We study in details the influence of conversion on the observed signal depending on the parameters of the original neutrino","authors_text":"A. Yu. Smirnov, C. Lunardini","cross_cats":["astro-ph"],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2004-02-12T16:13:33Z","title":"Neutrinos from SN1987A: flavor conversion and interpretation of results"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0402128","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:e1070992f605d061c462e3eeab7fe038375dec6ca06cf893b758975b23b88231","target":"record","created_at":"2026-05-18T04:21:31Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"93471acf91d8920c4f7bb113f375cf5b2453171f7f5b366b5275ba5060bf4785","cross_cats_sorted":["astro-ph"],"license":"","primary_cat":"hep-ph","submitted_at":"2004-02-12T16:13:33Z","title_canon_sha256":"f672b1459a6a3f0a398e364160294f47b1ae50b775c67215a81b610b4715fa8d"},"schema_version":"1.0","source":{"id":"hep-ph/0402128","kind":"arxiv","version":2}},"canonical_sha256":"942be6cfc7a178e055dd7c8d2d3fbaabea774bf030b461064e6b95bfd1f9fc3d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"942be6cfc7a178e055dd7c8d2d3fbaabea774bf030b461064e6b95bfd1f9fc3d","first_computed_at":"2026-05-18T04:21:31.616353Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:21:31.616353Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XfdUqq9tXldF4hoBNi+GNdDhFPMKorpVHoIr7pBJ4ovacxYcYYk4HOLzrfAnFjfTDvj+EjLGCLuSdhov8UwBBA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:21:31.616735Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0402128","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e1070992f605d061c462e3eeab7fe038375dec6ca06cf893b758975b23b88231","sha256:1a1aecf1531f96f136a4e197b3cb5ca78fc31041793a35ddbe15e8189a9fddd5"],"state_sha256":"b2b9d4e538def27a7047bfa513e2a67e929e76b4b4d02e6719052a098c8eca71"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jo/lTzCGAOstIqczu6T5KUmU28rAT8cNrHViTMvaO4DOeBeKz2KV0dsfvDLFkyUl1EgBJBMTWXkh3bj96zOrAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T16:41:13.364746Z","bundle_sha256":"f3c4cd03fa639a365caddf39050ba8fecdf22d78a5bc5a019cb03eccbcc8a547"}}