{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:YFOSD46TWU2HANS4RJ5NA677MB","short_pith_number":"pith:YFOSD46T","canonical_record":{"source":{"id":"1409.2240","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-09-08T08:35:27Z","cross_cats_sorted":["astro-ph.SR","physics.ins-det"],"title_canon_sha256":"0ddefee7e5a17e893144487b105b11db375f8877d5a40de48b337328dabbfd42","abstract_canon_sha256":"44c4570142467505dda1ba73257cd3fc225f99b13305d4ec695d0d22d9c374e1"},"schema_version":"1.0"},"canonical_sha256":"c15d21f3d3b53470365c8a7ad07bff60579aacfd05a2ea4ff11d696d4566d371","source":{"kind":"arxiv","id":"1409.2240","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.2240","created_at":"2026-05-18T01:42:06Z"},{"alias_kind":"arxiv_version","alias_value":"1409.2240v1","created_at":"2026-05-18T01:42:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.2240","created_at":"2026-05-18T01:42:06Z"},{"alias_kind":"pith_short_12","alias_value":"YFOSD46TWU2H","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"YFOSD46TWU2HANS4","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"YFOSD46T","created_at":"2026-05-18T12:28:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:YFOSD46TWU2HANS4RJ5NA677MB","target":"record","payload":{"canonical_record":{"source":{"id":"1409.2240","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-09-08T08:35:27Z","cross_cats_sorted":["astro-ph.SR","physics.ins-det"],"title_canon_sha256":"0ddefee7e5a17e893144487b105b11db375f8877d5a40de48b337328dabbfd42","abstract_canon_sha256":"44c4570142467505dda1ba73257cd3fc225f99b13305d4ec695d0d22d9c374e1"},"schema_version":"1.0"},"canonical_sha256":"c15d21f3d3b53470365c8a7ad07bff60579aacfd05a2ea4ff11d696d4566d371","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:06.960027Z","signature_b64":"eiRWz+HoNJRRl6xbxJt5XjEZvqFvbHXdFmPnmmoV6sLnxgMxa5kPagIkV/pxXdGQ7QLLuKGTJQ2xdTWFvrT2DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c15d21f3d3b53470365c8a7ad07bff60579aacfd05a2ea4ff11d696d4566d371","last_reissued_at":"2026-05-18T01:42:06.959477Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:06.959477Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.2240","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:42:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A6kOQid8vtahVFj0rQaSkp+q8bT4ZWQ8Xdi5iNBnHSENaJRPmG0Ay/118wPydj435ivNifb0jkWL7mKGID0rCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T14:48:03.861442Z"},"content_sha256":"324d3380032426b2b55c24568a1028d6c9145430964e1278dea89250904ff7f5","schema_version":"1.0","event_id":"sha256:324d3380032426b2b55c24568a1028d6c9145430964e1278dea89250904ff7f5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:YFOSD46TWU2HANS4RJ5NA677MB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detecting the Diffuse Supernova Neutrino Background with LENA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR","physics.ins-det"],"primary_cat":"astro-ph.IM","authors_text":"Dominikus Hellgartner, Franz von Feilitzsch, J\\\"urgen Winter, Lothar Oberauer, Marc Tippmann, Michael Wurm, Randolph M\\\"ollenberg, Vincenz Zimmer","submitted_at":"2014-09-08T08:35:27Z","abstract_excerpt":"LENA (Low Energy Neutrino Astronomy) has been proposed as a next generation 50 kt liquid scintillator detector. Its large target mass allows to search for the Diffuse Supernova Neutrino Background (DSNB), which was generated by the cumulative emissions of all core-collapse supernovae throughout the universe. Indistinguishable background from reactor and atmospheric electron antineutrinos limits the detection window to the energy range between 9.5 MeV and 25 MeV. Depending on the mean supernova neutrino energy, about 5 to 10 events per year are expected in this energy window. The background fro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.2240","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":""},"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":"2026-05-18T01:42:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BBbJa3sX3m9PAytcmGTjDH7zt+F8ocU9PCF2c//RdK6AhpEQMtsm1fIOeavxXj2k/b+4W7q3ZPanTudPhdNSCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T14:48:03.862154Z"},"content_sha256":"d1ff6d148291a8f30909e69b158477c1de4dd4431edbd1a17f0e10299d6fe8ca","schema_version":"1.0","event_id":"sha256:d1ff6d148291a8f30909e69b158477c1de4dd4431edbd1a17f0e10299d6fe8ca"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YFOSD46TWU2HANS4RJ5NA677MB/bundle.json","state_url":"https://pith.science/pith/YFOSD46TWU2HANS4RJ5NA677MB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YFOSD46TWU2HANS4RJ5NA677MB/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":"2026-05-24T14:48:03Z","links":{"resolver":"https://pith.science/pith/YFOSD46TWU2HANS4RJ5NA677MB","bundle":"https://pith.science/pith/YFOSD46TWU2HANS4RJ5NA677MB/bundle.json","state":"https://pith.science/pith/YFOSD46TWU2HANS4RJ5NA677MB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YFOSD46TWU2HANS4RJ5NA677MB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:YFOSD46TWU2HANS4RJ5NA677MB","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":"44c4570142467505dda1ba73257cd3fc225f99b13305d4ec695d0d22d9c374e1","cross_cats_sorted":["astro-ph.SR","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-09-08T08:35:27Z","title_canon_sha256":"0ddefee7e5a17e893144487b105b11db375f8877d5a40de48b337328dabbfd42"},"schema_version":"1.0","source":{"id":"1409.2240","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.2240","created_at":"2026-05-18T01:42:06Z"},{"alias_kind":"arxiv_version","alias_value":"1409.2240v1","created_at":"2026-05-18T01:42:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.2240","created_at":"2026-05-18T01:42:06Z"},{"alias_kind":"pith_short_12","alias_value":"YFOSD46TWU2H","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"YFOSD46TWU2HANS4","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"YFOSD46T","created_at":"2026-05-18T12:28:57Z"}],"graph_snapshots":[{"event_id":"sha256:d1ff6d148291a8f30909e69b158477c1de4dd4431edbd1a17f0e10299d6fe8ca","target":"graph","created_at":"2026-05-18T01:42:06Z","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":"LENA (Low Energy Neutrino Astronomy) has been proposed as a next generation 50 kt liquid scintillator detector. Its large target mass allows to search for the Diffuse Supernova Neutrino Background (DSNB), which was generated by the cumulative emissions of all core-collapse supernovae throughout the universe. Indistinguishable background from reactor and atmospheric electron antineutrinos limits the detection window to the energy range between 9.5 MeV and 25 MeV. Depending on the mean supernova neutrino energy, about 5 to 10 events per year are expected in this energy window. The background fro","authors_text":"Dominikus Hellgartner, Franz von Feilitzsch, J\\\"urgen Winter, Lothar Oberauer, Marc Tippmann, Michael Wurm, Randolph M\\\"ollenberg, Vincenz Zimmer","cross_cats":["astro-ph.SR","physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-09-08T08:35:27Z","title":"Detecting the Diffuse Supernova Neutrino Background with LENA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.2240","kind":"arxiv","version":1},"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":"sha256:324d3380032426b2b55c24568a1028d6c9145430964e1278dea89250904ff7f5","target":"record","created_at":"2026-05-18T01:42:06Z","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":"44c4570142467505dda1ba73257cd3fc225f99b13305d4ec695d0d22d9c374e1","cross_cats_sorted":["astro-ph.SR","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-09-08T08:35:27Z","title_canon_sha256":"0ddefee7e5a17e893144487b105b11db375f8877d5a40de48b337328dabbfd42"},"schema_version":"1.0","source":{"id":"1409.2240","kind":"arxiv","version":1}},"canonical_sha256":"c15d21f3d3b53470365c8a7ad07bff60579aacfd05a2ea4ff11d696d4566d371","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c15d21f3d3b53470365c8a7ad07bff60579aacfd05a2ea4ff11d696d4566d371","first_computed_at":"2026-05-18T01:42:06.959477Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:06.959477Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eiRWz+HoNJRRl6xbxJt5XjEZvqFvbHXdFmPnmmoV6sLnxgMxa5kPagIkV/pxXdGQ7QLLuKGTJQ2xdTWFvrT2DA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:06.960027Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.2240","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:324d3380032426b2b55c24568a1028d6c9145430964e1278dea89250904ff7f5","sha256:d1ff6d148291a8f30909e69b158477c1de4dd4431edbd1a17f0e10299d6fe8ca"],"state_sha256":"0e7cc134090f52e047dc7882c46944f7cd6264a8ca4ef63f6d567c951d654396"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DcbqkPZ3P/vcVIYmD337O71eXHMa0ccb/O1yPDUB0hSFaecyj8J0naU07aBrttu+EPRKxz8R4GaBdKqd4j/4Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T14:48:03.865623Z","bundle_sha256":"554af40edbd1b7c99c7ea5edd79f38200851dc3e5f46e72589c38ed69aba92e3"}}