{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:34FGWXPGVYTGDWHPG2NRGTAM5L","short_pith_number":"pith:34FGWXPG","schema_version":"1.0","canonical_sha256":"df0a6b5de6ae2661d8ef369b134c0cead1f9ebedc6a5f0e1f7e75546aeec217b","source":{"kind":"arxiv","id":"2202.01865","version":4},"attestation_state":"computed","paper":{"title":"Collective neutrino oscillations with tensor networks using a time-dependent variational principle","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th","quant-ph"],"primary_cat":"hep-ph","authors_text":"A. B. Balantekin, Amol V. Patwardhan, Calvin W. Johnson, Michael J. Cervia, Pooja Siwach, S. N. Coppersmith","submitted_at":"2022-02-03T21:54:42Z","abstract_excerpt":"If a system of flavor-oscillating neutrinos is at high enough densities that neutrino-neutrino coherent forward scatterings are non-negligible, the system becomes a time-dependent many-body problem. An important and open question is whether the flavor evolution is sufficiently described by a mean-field approach or can be strongly affected by correlations arising from two-body interactions in the neutrino Hamiltonian, as measured by nontrivial quantum entanglement. Numerical computations of the time evolution of many-body quantum systems are challenging because the size of the Hilbert space sca"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2202.01865","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-02-03T21:54:42Z","cross_cats_sorted":["nucl-th","quant-ph"],"title_canon_sha256":"42194b7cb3df473dbeddaa132a1c92fba68981868bab3b07420b204afdf19484","abstract_canon_sha256":"45f042f9197ffc5d468cf694f53047f9e31bccbcc38520e765864c4e679927c7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:34:15.307020Z","signature_b64":"lOYDfZ8elKGUdyWXVrWiHjM7YnVkcmj22n7GHiabUY5DhXPOLmbnMcs9Utbi5xMwg1BJ4D54wwj+UazvYvZUAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"df0a6b5de6ae2661d8ef369b134c0cead1f9ebedc6a5f0e1f7e75546aeec217b","last_reissued_at":"2026-07-05T04:34:15.306547Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:34:15.306547Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Collective neutrino oscillations with tensor networks using a time-dependent variational principle","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th","quant-ph"],"primary_cat":"hep-ph","authors_text":"A. B. Balantekin, Amol V. Patwardhan, Calvin W. Johnson, Michael J. Cervia, Pooja Siwach, S. N. Coppersmith","submitted_at":"2022-02-03T21:54:42Z","abstract_excerpt":"If a system of flavor-oscillating neutrinos is at high enough densities that neutrino-neutrino coherent forward scatterings are non-negligible, the system becomes a time-dependent many-body problem. An important and open question is whether the flavor evolution is sufficiently described by a mean-field approach or can be strongly affected by correlations arising from two-body interactions in the neutrino Hamiltonian, as measured by nontrivial quantum entanglement. Numerical computations of the time evolution of many-body quantum systems are challenging because the size of the Hilbert space sca"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.01865","kind":"arxiv","version":4},"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/2202.01865/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2202.01865","created_at":"2026-07-05T04:34:15.306599+00:00"},{"alias_kind":"arxiv_version","alias_value":"2202.01865v4","created_at":"2026-07-05T04:34:15.306599+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.01865","created_at":"2026-07-05T04:34:15.306599+00:00"},{"alias_kind":"pith_short_12","alias_value":"34FGWXPGVYTG","created_at":"2026-07-05T04:34:15.306599+00:00"},{"alias_kind":"pith_short_16","alias_value":"34FGWXPGVYTGDWHP","created_at":"2026-07-05T04:34:15.306599+00:00"},{"alias_kind":"pith_short_8","alias_value":"34FGWXPG","created_at":"2026-07-05T04:34:15.306599+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":5,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.12404","citing_title":"Collective neutrino oscillations: Many-body non-forward effects and non-classicality","ref_index":47,"is_internal_anchor":false},{"citing_arxiv_id":"2605.31242","citing_title":"Neutrino helicity oscillations in astrophysical environments: a many-body approach","ref_index":51,"is_internal_anchor":false},{"citing_arxiv_id":"2605.23584","citing_title":"Quantum resource redistribution drives spectral splits in dense neutrino gases","ref_index":9,"is_internal_anchor":false},{"citing_arxiv_id":"2604.25687","citing_title":"Collective neutrino-antineutrino pair oscillations","ref_index":29,"is_internal_anchor":false},{"citing_arxiv_id":"2605.01099","citing_title":"Three-flavor supernova neutrino simulation using a hybrid quantum-classical algorithm with qutrits","ref_index":4,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/34FGWXPGVYTGDWHPG2NRGTAM5L","json":"https://pith.science/pith/34FGWXPGVYTGDWHPG2NRGTAM5L.json","graph_json":"https://pith.science/api/pith-number/34FGWXPGVYTGDWHPG2NRGTAM5L/graph.json","events_json":"https://pith.science/api/pith-number/34FGWXPGVYTGDWHPG2NRGTAM5L/events.json","paper":"https://pith.science/paper/34FGWXPG"},"agent_actions":{"view_html":"https://pith.science/pith/34FGWXPGVYTGDWHPG2NRGTAM5L","download_json":"https://pith.science/pith/34FGWXPGVYTGDWHPG2NRGTAM5L.json","view_paper":"https://pith.science/paper/34FGWXPG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2202.01865&json=true","fetch_graph":"https://pith.science/api/pith-number/34FGWXPGVYTGDWHPG2NRGTAM5L/graph.json","fetch_events":"https://pith.science/api/pith-number/34FGWXPGVYTGDWHPG2NRGTAM5L/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/34FGWXPGVYTGDWHPG2NRGTAM5L/action/timestamp_anchor","attest_storage":"https://pith.science/pith/34FGWXPGVYTGDWHPG2NRGTAM5L/action/storage_attestation","attest_author":"https://pith.science/pith/34FGWXPGVYTGDWHPG2NRGTAM5L/action/author_attestation","sign_citation":"https://pith.science/pith/34FGWXPGVYTGDWHPG2NRGTAM5L/action/citation_signature","submit_replication":"https://pith.science/pith/34FGWXPGVYTGDWHPG2NRGTAM5L/action/replication_record"}},"created_at":"2026-07-05T04:34:15.306599+00:00","updated_at":"2026-07-05T04:34:15.306599+00:00"}