{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:4M37DGILQ22ZHJLY4WJIKE5QNO","short_pith_number":"pith:4M37DGIL","canonical_record":{"source":{"id":"2503.21353","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2025-03-27T10:43:25Z","cross_cats_sorted":[],"title_canon_sha256":"623f8324c436fc0948eed4136c721a23db42d15e3bf7c1f91ac3dfbb600e36d2","abstract_canon_sha256":"98a43d28dc03fda5a99e6b2371ee2730ba6cddcaaccfb1ad37f3e81c7c67f8d8"},"schema_version":"1.0"},"canonical_sha256":"e337f1990b86b593a578e5928513b06b86005945da94858777719fe7658e8767","source":{"kind":"arxiv","id":"2503.21353","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.21353","created_at":"2026-07-05T11:20:52Z"},{"alias_kind":"arxiv_version","alias_value":"2503.21353v2","created_at":"2026-07-05T11:20:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.21353","created_at":"2026-07-05T11:20:52Z"},{"alias_kind":"pith_short_12","alias_value":"4M37DGILQ22Z","created_at":"2026-07-05T11:20:52Z"},{"alias_kind":"pith_short_16","alias_value":"4M37DGILQ22ZHJLY","created_at":"2026-07-05T11:20:52Z"},{"alias_kind":"pith_short_8","alias_value":"4M37DGIL","created_at":"2026-07-05T11:20:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:4M37DGILQ22ZHJLY4WJIKE5QNO","target":"record","payload":{"canonical_record":{"source":{"id":"2503.21353","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2025-03-27T10:43:25Z","cross_cats_sorted":[],"title_canon_sha256":"623f8324c436fc0948eed4136c721a23db42d15e3bf7c1f91ac3dfbb600e36d2","abstract_canon_sha256":"98a43d28dc03fda5a99e6b2371ee2730ba6cddcaaccfb1ad37f3e81c7c67f8d8"},"schema_version":"1.0"},"canonical_sha256":"e337f1990b86b593a578e5928513b06b86005945da94858777719fe7658e8767","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:20:52.099160Z","signature_b64":"QhQw1mW2Dn/rVeknd6D1/A507VodmBkLAEoAqVo/++wMlXE4gmVL1PheJlIrZMwXKZbcNd6eltnAOXTtzY2JDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e337f1990b86b593a578e5928513b06b86005945da94858777719fe7658e8767","last_reissued_at":"2026-07-05T11:20:52.098666Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:20:52.098666Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2503.21353","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":"2026-07-05T11:20:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cpRfV87Y6goESL8Tej4roW47R3EhblCEimpwjXuUkorC9kKv5Odu76chUK2//4iVu13DFwzwJFTREOTdz8W9Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T03:16:26.743922Z"},"content_sha256":"85766837ed92c21bf47390e6f254c8aaec792144199dd154eb6e6c634f5f5caf","schema_version":"1.0","event_id":"sha256:85766837ed92c21bf47390e6f254c8aaec792144199dd154eb6e6c634f5f5caf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:4M37DGILQ22ZHJLY4WJIKE5QNO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Neutrino type identification for atmospheric neutrinos in a large homogeneous liquid scintillation detector","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"Fanrui Zeng, Hongyue Duyang, Jiaxi Liu, Liangjian Wen, Teng Li, Wanlei Guo, Wing Yan Ma, Wuming Luo, Xiaohan Tan, Xinhai He, Yongpeng Zhang, Zekun Yang, Zhen Liu","submitted_at":"2025-03-27T10:43:25Z","abstract_excerpt":"Atmospheric neutrino oscillations are important to the study of neutrino properties, including the neutrino mass ordering problem. A good capability to identify neutrinos' flavor and neutrinos against antineutrinos is crucial in such measurements. In this paper, we present a machine-learning-based approach for identifying atmospheric neutrino events in a large homogeneous liquid scintillator detector. This method identifies features of PMT waveforms that reflect event topologies and uses them as input to machine learning models. In addition, neutron-capture information is utilized to achieve n"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.21353","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/2503.21353/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:20:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Mgq7Eg8hgqJdkdsb91SrAVfE/NzQ7ScM7XdKLi0uyJ8dLSBi6bmdX0yEoAZyaAKhNWxguh48X/QddZq9X+VyCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T03:16:26.750512Z"},"content_sha256":"30515c71dd8bf0e0cfdd924b453133e1ffd57b7e9e7c4945ecf2b7e5a916faae","schema_version":"1.0","event_id":"sha256:30515c71dd8bf0e0cfdd924b453133e1ffd57b7e9e7c4945ecf2b7e5a916faae"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4M37DGILQ22ZHJLY4WJIKE5QNO/bundle.json","state_url":"https://pith.science/pith/4M37DGILQ22ZHJLY4WJIKE5QNO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4M37DGILQ22ZHJLY4WJIKE5QNO/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":"2026-08-20T03:16:26Z","links":{"resolver":"https://pith.science/pith/4M37DGILQ22ZHJLY4WJIKE5QNO","bundle":"https://pith.science/pith/4M37DGILQ22ZHJLY4WJIKE5QNO/bundle.json","state":"https://pith.science/pith/4M37DGILQ22ZHJLY4WJIKE5QNO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4M37DGILQ22ZHJLY4WJIKE5QNO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:4M37DGILQ22ZHJLY4WJIKE5QNO","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":"98a43d28dc03fda5a99e6b2371ee2730ba6cddcaaccfb1ad37f3e81c7c67f8d8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2025-03-27T10:43:25Z","title_canon_sha256":"623f8324c436fc0948eed4136c721a23db42d15e3bf7c1f91ac3dfbb600e36d2"},"schema_version":"1.0","source":{"id":"2503.21353","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.21353","created_at":"2026-07-05T11:20:52Z"},{"alias_kind":"arxiv_version","alias_value":"2503.21353v2","created_at":"2026-07-05T11:20:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.21353","created_at":"2026-07-05T11:20:52Z"},{"alias_kind":"pith_short_12","alias_value":"4M37DGILQ22Z","created_at":"2026-07-05T11:20:52Z"},{"alias_kind":"pith_short_16","alias_value":"4M37DGILQ22ZHJLY","created_at":"2026-07-05T11:20:52Z"},{"alias_kind":"pith_short_8","alias_value":"4M37DGIL","created_at":"2026-07-05T11:20:52Z"}],"graph_snapshots":[{"event_id":"sha256:30515c71dd8bf0e0cfdd924b453133e1ffd57b7e9e7c4945ecf2b7e5a916faae","target":"graph","created_at":"2026-07-05T11:20:52Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2503.21353/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Atmospheric neutrino oscillations are important to the study of neutrino properties, including the neutrino mass ordering problem. A good capability to identify neutrinos' flavor and neutrinos against antineutrinos is crucial in such measurements. In this paper, we present a machine-learning-based approach for identifying atmospheric neutrino events in a large homogeneous liquid scintillator detector. This method identifies features of PMT waveforms that reflect event topologies and uses them as input to machine learning models. In addition, neutron-capture information is utilized to achieve n","authors_text":"Fanrui Zeng, Hongyue Duyang, Jiaxi Liu, Liangjian Wen, Teng Li, Wanlei Guo, Wing Yan Ma, Wuming Luo, Xiaohan Tan, Xinhai He, Yongpeng Zhang, Zekun Yang, Zhen Liu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2025-03-27T10:43:25Z","title":"Neutrino type identification for atmospheric neutrinos in a large homogeneous liquid scintillation detector"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.21353","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":"sha256:85766837ed92c21bf47390e6f254c8aaec792144199dd154eb6e6c634f5f5caf","target":"record","created_at":"2026-07-05T11:20:52Z","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":"98a43d28dc03fda5a99e6b2371ee2730ba6cddcaaccfb1ad37f3e81c7c67f8d8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2025-03-27T10:43:25Z","title_canon_sha256":"623f8324c436fc0948eed4136c721a23db42d15e3bf7c1f91ac3dfbb600e36d2"},"schema_version":"1.0","source":{"id":"2503.21353","kind":"arxiv","version":2}},"canonical_sha256":"e337f1990b86b593a578e5928513b06b86005945da94858777719fe7658e8767","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e337f1990b86b593a578e5928513b06b86005945da94858777719fe7658e8767","first_computed_at":"2026-07-05T11:20:52.098666Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:20:52.098666Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QhQw1mW2Dn/rVeknd6D1/A507VodmBkLAEoAqVo/++wMlXE4gmVL1PheJlIrZMwXKZbcNd6eltnAOXTtzY2JDA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:20:52.099160Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.21353","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:85766837ed92c21bf47390e6f254c8aaec792144199dd154eb6e6c634f5f5caf","sha256:30515c71dd8bf0e0cfdd924b453133e1ffd57b7e9e7c4945ecf2b7e5a916faae"],"state_sha256":"518f6f08295830057a772c3bb16306e856deef2bc9fd5b7903e9194c26ca1806"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OrZq/32NnusmyG+mIV/qkbcJh9AmslP0L1B0JUYScGqanuzGmE1/LCTcTGHiT2askJkkDVpjeemg1VqkX+g0CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T03:16:26.761385Z","bundle_sha256":"240ee070b3687d2837b58d1106878e2e7a1c03b5cab89c132a5fe7f11ea48ed6"}}