{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:ZRCPOZPKU563ICV4HEOSDFDJFL","short_pith_number":"pith:ZRCPOZPK","canonical_record":{"source":{"id":"astro-ph/0608399","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-08-18T17:24:18Z","cross_cats_sorted":[],"title_canon_sha256":"5c6ffe3fc59bbe1c15fcedc932161b49c9b08de96b2fca348816ac12490a921b","abstract_canon_sha256":"82c19afd93de681715234860c7a0cb120e8e8f0c24a4b4368ac757ecffbd1b96"},"schema_version":"1.0"},"canonical_sha256":"cc44f765eaa77db40abc391d2194692af6a15e6a942375179eddf4f886f53444","source":{"kind":"arxiv","id":"astro-ph/0608399","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0608399","created_at":"2026-05-18T04:38:37Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0608399v3","created_at":"2026-05-18T04:38:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0608399","created_at":"2026-05-18T04:38:37Z"},{"alias_kind":"pith_short_12","alias_value":"ZRCPOZPKU563","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"ZRCPOZPKU563ICV4","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"ZRCPOZPK","created_at":"2026-05-18T12:25:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:ZRCPOZPKU563ICV4HEOSDFDJFL","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0608399","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-08-18T17:24:18Z","cross_cats_sorted":[],"title_canon_sha256":"5c6ffe3fc59bbe1c15fcedc932161b49c9b08de96b2fca348816ac12490a921b","abstract_canon_sha256":"82c19afd93de681715234860c7a0cb120e8e8f0c24a4b4368ac757ecffbd1b96"},"schema_version":"1.0"},"canonical_sha256":"cc44f765eaa77db40abc391d2194692af6a15e6a942375179eddf4f886f53444","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:38:37.370885Z","signature_b64":"n+tzpxAMPQVC549HksdHHCH0bqRRMW8atnH6safXQiSDH1EeCfG6BttWwp4M1WgcVkQ66D/Gx50JCOAiR4IRBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cc44f765eaa77db40abc391d2194692af6a15e6a942375179eddf4f886f53444","last_reissued_at":"2026-05-18T04:38:37.370063Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:38:37.370063Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0608399","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:38:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h+XFfcYSRpWF3r/62RIfVbFElTx63fH64l811ltxPiYSmH6OP57/35NVmYGHs/muBgGGayxXTVLRJHK6BUg8DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T02:22:12.235543Z"},"content_sha256":"ac1921423af8fe3efcf015e7d8874e65bb4c265011f9a7626c7c2e6407878776","schema_version":"1.0","event_id":"sha256:ac1921423af8fe3efcf015e7d8874e65bb4c265011f9a7626c7c2e6407878776"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:ZRCPOZPKU563ICV4HEOSDFDJFL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Is there a problem with low energy SN1987A neutrinos?","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Aldo Ianni, Francesco Vissani, Giulia Pagliaroli, Maria Laura Costantini","submitted_at":"2006-08-18T17:24:18Z","abstract_excerpt":"(abridged) We study the low energy events observed by Kamiokande-II. We focus on the event 6 of 6.3 MeV and also on the other events that at 1 sigma fall below the energy threshold: events 3,4,10,12. The volume distribution is not a uniform distribution at 3 sigma, that suggests the presence of background events close or at the border of the volume used for the analysis, including the events 3,4,10. We checked the expected energy distribution assuming that the signal is due to nubar(e)p-->e+n and that the average antineutrino energy is 14 MeV. The agreement with the observations is not perfect"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0608399","kind":"arxiv","version":3},"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":"2026-05-18T04:38:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n55hikblyd/DPn2fUh3NX2lM/QjBKfbciD8UhnQK9TqiK1CjeTgfQqXzwBRQ8Si5Ydl9C6VYsOAExAoGwnH4Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T02:22:12.236247Z"},"content_sha256":"a2c2abb7bda4ad0d247938aa1dc893a9ce9e51351e5e3ea1aeb7130fdc808129","schema_version":"1.0","event_id":"sha256:a2c2abb7bda4ad0d247938aa1dc893a9ce9e51351e5e3ea1aeb7130fdc808129"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZRCPOZPKU563ICV4HEOSDFDJFL/bundle.json","state_url":"https://pith.science/pith/ZRCPOZPKU563ICV4HEOSDFDJFL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZRCPOZPKU563ICV4HEOSDFDJFL/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":"2026-05-30T02:22:12Z","links":{"resolver":"https://pith.science/pith/ZRCPOZPKU563ICV4HEOSDFDJFL","bundle":"https://pith.science/pith/ZRCPOZPKU563ICV4HEOSDFDJFL/bundle.json","state":"https://pith.science/pith/ZRCPOZPKU563ICV4HEOSDFDJFL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZRCPOZPKU563ICV4HEOSDFDJFL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:ZRCPOZPKU563ICV4HEOSDFDJFL","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":"82c19afd93de681715234860c7a0cb120e8e8f0c24a4b4368ac757ecffbd1b96","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-08-18T17:24:18Z","title_canon_sha256":"5c6ffe3fc59bbe1c15fcedc932161b49c9b08de96b2fca348816ac12490a921b"},"schema_version":"1.0","source":{"id":"astro-ph/0608399","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0608399","created_at":"2026-05-18T04:38:37Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0608399v3","created_at":"2026-05-18T04:38:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0608399","created_at":"2026-05-18T04:38:37Z"},{"alias_kind":"pith_short_12","alias_value":"ZRCPOZPKU563","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"ZRCPOZPKU563ICV4","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"ZRCPOZPK","created_at":"2026-05-18T12:25:54Z"}],"graph_snapshots":[{"event_id":"sha256:a2c2abb7bda4ad0d247938aa1dc893a9ce9e51351e5e3ea1aeb7130fdc808129","target":"graph","created_at":"2026-05-18T04:38:37Z","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":"(abridged) We study the low energy events observed by Kamiokande-II. We focus on the event 6 of 6.3 MeV and also on the other events that at 1 sigma fall below the energy threshold: events 3,4,10,12. The volume distribution is not a uniform distribution at 3 sigma, that suggests the presence of background events close or at the border of the volume used for the analysis, including the events 3,4,10. We checked the expected energy distribution assuming that the signal is due to nubar(e)p-->e+n and that the average antineutrino energy is 14 MeV. The agreement with the observations is not perfect","authors_text":"Aldo Ianni, Francesco Vissani, Giulia Pagliaroli, Maria Laura Costantini","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-08-18T17:24:18Z","title":"Is there a problem with low energy SN1987A neutrinos?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0608399","kind":"arxiv","version":3},"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:ac1921423af8fe3efcf015e7d8874e65bb4c265011f9a7626c7c2e6407878776","target":"record","created_at":"2026-05-18T04:38:37Z","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":"82c19afd93de681715234860c7a0cb120e8e8f0c24a4b4368ac757ecffbd1b96","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-08-18T17:24:18Z","title_canon_sha256":"5c6ffe3fc59bbe1c15fcedc932161b49c9b08de96b2fca348816ac12490a921b"},"schema_version":"1.0","source":{"id":"astro-ph/0608399","kind":"arxiv","version":3}},"canonical_sha256":"cc44f765eaa77db40abc391d2194692af6a15e6a942375179eddf4f886f53444","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cc44f765eaa77db40abc391d2194692af6a15e6a942375179eddf4f886f53444","first_computed_at":"2026-05-18T04:38:37.370063Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:38:37.370063Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"n+tzpxAMPQVC549HksdHHCH0bqRRMW8atnH6safXQiSDH1EeCfG6BttWwp4M1WgcVkQ66D/Gx50JCOAiR4IRBg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:38:37.370885Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0608399","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ac1921423af8fe3efcf015e7d8874e65bb4c265011f9a7626c7c2e6407878776","sha256:a2c2abb7bda4ad0d247938aa1dc893a9ce9e51351e5e3ea1aeb7130fdc808129"],"state_sha256":"052b25801a4b0e3dfc8938ba3526fe363bdb017865ac4450161c8ba7cae052c6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8tYU1wQWDZYAjJMyYH71/w/YiXv5aG6T1vOjOF1mzR07QTYUDq67wUCfcpDYdcFFtNubeCtPhk5qhtbK0znrBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T02:22:12.240051Z","bundle_sha256":"b1217ead04a627ff8ca98a990acff9ef797d5b66f128306fa2abcac156f571fe"}}