{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:Z2WOSIQUJWW53GLAXGYCGC3O5A","short_pith_number":"pith:Z2WOSIQU","canonical_record":{"source":{"id":"2109.14011","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-09-28T19:58:46Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"dcc3ab296785cc829349db92ccb691e0297b0093101fa33cc354a63f150cd9cf","abstract_canon_sha256":"dea7ecfd7c0d98dd635e133c09f7ea866e7f861a003c9b7dbee8633909adfbb9"},"schema_version":"1.0"},"canonical_sha256":"ceace922144daddd9960b9b0230b6ee801e3cbbef7a3abb558cd87f14afac4e1","source":{"kind":"arxiv","id":"2109.14011","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.14011","created_at":"2026-07-05T04:37:18Z"},{"alias_kind":"arxiv_version","alias_value":"2109.14011v2","created_at":"2026-07-05T04:37:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.14011","created_at":"2026-07-05T04:37:18Z"},{"alias_kind":"pith_short_12","alias_value":"Z2WOSIQUJWW5","created_at":"2026-07-05T04:37:18Z"},{"alias_kind":"pith_short_16","alias_value":"Z2WOSIQUJWW53GLA","created_at":"2026-07-05T04:37:18Z"},{"alias_kind":"pith_short_8","alias_value":"Z2WOSIQU","created_at":"2026-07-05T04:37:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:Z2WOSIQUJWW53GLAXGYCGC3O5A","target":"record","payload":{"canonical_record":{"source":{"id":"2109.14011","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-09-28T19:58:46Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"dcc3ab296785cc829349db92ccb691e0297b0093101fa33cc354a63f150cd9cf","abstract_canon_sha256":"dea7ecfd7c0d98dd635e133c09f7ea866e7f861a003c9b7dbee8633909adfbb9"},"schema_version":"1.0"},"canonical_sha256":"ceace922144daddd9960b9b0230b6ee801e3cbbef7a3abb558cd87f14afac4e1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:37:18.805134Z","signature_b64":"5E8pDbdQTNQF/7V4LdN42B9Wd91Hgkd26CiKWHijMoz7BQJ33ODCGP1raqHj66umF76Rpr33L0j57EUMZUVeBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ceace922144daddd9960b9b0230b6ee801e3cbbef7a3abb558cd87f14afac4e1","last_reissued_at":"2026-07-05T04:37:18.804644Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:37:18.804644Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2109.14011","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":"2026-07-05T04:37:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+Xo4satyTe+4WbPVpDJam4wJWmPbWnq7Ggk0+E3Iq3KusUMuA0iADDV85+wTezOog74R5YaIoPEULOYAEAK8Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T18:07:08.449534Z"},"content_sha256":"7d6fc5191d9a4356ba69b0d72b22c843cbdbae56b6d2ec0ce3d20299e043da6a","schema_version":"1.0","event_id":"sha256:7d6fc5191d9a4356ba69b0d72b22c843cbdbae56b6d2ec0ce3d20299e043da6a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:Z2WOSIQUJWW53GLAXGYCGC3O5A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamics of fast neutrino flavor conversions with scattering effects: a detailed analysis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"hep-ph","authors_text":"Hirokazu Sasaki, Tomoya Takiwaki","submitted_at":"2021-09-28T19:58:46Z","abstract_excerpt":"We calculate fast conversions of two flavor neutrinos by considering Boltzmann collisions of neutrino scatterings. In an idealized angular distribution of neutrinos with electron-lepton number crossing, we find that the collision terms of the neutrino scattering enhance the transition probability of fast flavor conversions as in the previous study. We analyze the dynamics of fast flavor conversions with collisions in detail based on the motion of polarization vectors in cylindrical coordinate analogous to a pendulum motion. The phase of the all polarization vector synchronizes in the linear ev"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.14011","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/2109.14011/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":"2026-07-05T04:37:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vYmYztKeS8pjStYE2XiyMvQoDN19ifP8hDRwNmG7BvYCzdTjqsTNZ36fnyo5khdXF/Bm0fmfxTCcfu8kVzftBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T18:07:08.449897Z"},"content_sha256":"aedbb50e34346549b200b92988bfbc38fbd71bc4bd71a4c79f64431e0815402d","schema_version":"1.0","event_id":"sha256:aedbb50e34346549b200b92988bfbc38fbd71bc4bd71a4c79f64431e0815402d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z2WOSIQUJWW53GLAXGYCGC3O5A/bundle.json","state_url":"https://pith.science/pith/Z2WOSIQUJWW53GLAXGYCGC3O5A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z2WOSIQUJWW53GLAXGYCGC3O5A/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":"2026-07-06T18:07:08Z","links":{"resolver":"https://pith.science/pith/Z2WOSIQUJWW53GLAXGYCGC3O5A","bundle":"https://pith.science/pith/Z2WOSIQUJWW53GLAXGYCGC3O5A/bundle.json","state":"https://pith.science/pith/Z2WOSIQUJWW53GLAXGYCGC3O5A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z2WOSIQUJWW53GLAXGYCGC3O5A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:Z2WOSIQUJWW53GLAXGYCGC3O5A","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":"dea7ecfd7c0d98dd635e133c09f7ea866e7f861a003c9b7dbee8633909adfbb9","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-09-28T19:58:46Z","title_canon_sha256":"dcc3ab296785cc829349db92ccb691e0297b0093101fa33cc354a63f150cd9cf"},"schema_version":"1.0","source":{"id":"2109.14011","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.14011","created_at":"2026-07-05T04:37:18Z"},{"alias_kind":"arxiv_version","alias_value":"2109.14011v2","created_at":"2026-07-05T04:37:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.14011","created_at":"2026-07-05T04:37:18Z"},{"alias_kind":"pith_short_12","alias_value":"Z2WOSIQUJWW5","created_at":"2026-07-05T04:37:18Z"},{"alias_kind":"pith_short_16","alias_value":"Z2WOSIQUJWW53GLA","created_at":"2026-07-05T04:37:18Z"},{"alias_kind":"pith_short_8","alias_value":"Z2WOSIQU","created_at":"2026-07-05T04:37:18Z"}],"graph_snapshots":[{"event_id":"sha256:aedbb50e34346549b200b92988bfbc38fbd71bc4bd71a4c79f64431e0815402d","target":"graph","created_at":"2026-07-05T04:37:18Z","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/2109.14011/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We calculate fast conversions of two flavor neutrinos by considering Boltzmann collisions of neutrino scatterings. In an idealized angular distribution of neutrinos with electron-lepton number crossing, we find that the collision terms of the neutrino scattering enhance the transition probability of fast flavor conversions as in the previous study. We analyze the dynamics of fast flavor conversions with collisions in detail based on the motion of polarization vectors in cylindrical coordinate analogous to a pendulum motion. The phase of the all polarization vector synchronizes in the linear ev","authors_text":"Hirokazu Sasaki, Tomoya Takiwaki","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-09-28T19:58:46Z","title":"Dynamics of fast neutrino flavor conversions with scattering effects: a detailed analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.14011","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":"sha256:7d6fc5191d9a4356ba69b0d72b22c843cbdbae56b6d2ec0ce3d20299e043da6a","target":"record","created_at":"2026-07-05T04:37:18Z","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":"dea7ecfd7c0d98dd635e133c09f7ea866e7f861a003c9b7dbee8633909adfbb9","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-09-28T19:58:46Z","title_canon_sha256":"dcc3ab296785cc829349db92ccb691e0297b0093101fa33cc354a63f150cd9cf"},"schema_version":"1.0","source":{"id":"2109.14011","kind":"arxiv","version":2}},"canonical_sha256":"ceace922144daddd9960b9b0230b6ee801e3cbbef7a3abb558cd87f14afac4e1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ceace922144daddd9960b9b0230b6ee801e3cbbef7a3abb558cd87f14afac4e1","first_computed_at":"2026-07-05T04:37:18.804644Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:37:18.804644Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5E8pDbdQTNQF/7V4LdN42B9Wd91Hgkd26CiKWHijMoz7BQJ33ODCGP1raqHj66umF76Rpr33L0j57EUMZUVeBA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:37:18.805134Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.14011","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7d6fc5191d9a4356ba69b0d72b22c843cbdbae56b6d2ec0ce3d20299e043da6a","sha256:aedbb50e34346549b200b92988bfbc38fbd71bc4bd71a4c79f64431e0815402d"],"state_sha256":"ab89af9ea4e36ca6ad77b2eef709fea7a8ce36dc4431ea895c17b6ff06163b3c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gO4NtFUC4UDG65mvQK946hG/Fir6m9AIpnaOAzjWSgE2lJH1mxC5ORaCuH3nGX54Q79mDamL/Qj/a+O9oibiDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T18:07:08.451794Z","bundle_sha256":"df26b77041a211afa112301df3f5500d9ed666a644bf1deec6edb21be956dce6"}}