{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:TLAGDRWJPT33OZGGLAXOF3D3SZ","short_pith_number":"pith:TLAGDRWJ","canonical_record":{"source":{"id":"hep-ph/0602016","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2006-02-02T20:58:51Z","cross_cats_sorted":[],"title_canon_sha256":"8dd6ffc079287c1cdaf1863be4ffe57fcec8f715cc187a1ccac511fa6e5a1be7","abstract_canon_sha256":"57465a4c1edb936f0ff32190822233941b81c5d04e1ccff5449cee8170b483ce"},"schema_version":"1.0"},"canonical_sha256":"9ac061c6c97cf7b764c6582ee2ec7b96713f34b76915968bcd65bfa0ab62dc53","source":{"kind":"arxiv","id":"hep-ph/0602016","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0602016","created_at":"2026-07-04T17:01:39Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0602016v1","created_at":"2026-07-04T17:01:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0602016","created_at":"2026-07-04T17:01:39Z"},{"alias_kind":"pith_short_12","alias_value":"TLAGDRWJPT33","created_at":"2026-07-04T17:01:39Z"},{"alias_kind":"pith_short_16","alias_value":"TLAGDRWJPT33OZGG","created_at":"2026-07-04T17:01:39Z"},{"alias_kind":"pith_short_8","alias_value":"TLAGDRWJ","created_at":"2026-07-04T17:01:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:TLAGDRWJPT33OZGGLAXOF3D3SZ","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/0602016","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2006-02-02T20:58:51Z","cross_cats_sorted":[],"title_canon_sha256":"8dd6ffc079287c1cdaf1863be4ffe57fcec8f715cc187a1ccac511fa6e5a1be7","abstract_canon_sha256":"57465a4c1edb936f0ff32190822233941b81c5d04e1ccff5449cee8170b483ce"},"schema_version":"1.0"},"canonical_sha256":"9ac061c6c97cf7b764c6582ee2ec7b96713f34b76915968bcd65bfa0ab62dc53","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:01:39.897971Z","signature_b64":"+tHZasQDCWFZcjXAxrMSuYPYaF79kWZOZVEDfmFDSQAdRWGEpy7m5IWcqQDtSqzvqvxx/I2d082WLoLWxw/aCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9ac061c6c97cf7b764c6582ee2ec7b96713f34b76915968bcd65bfa0ab62dc53","last_reissued_at":"2026-07-04T17:01:39.897635Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:01:39.897635Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/0602016","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":"2026-07-04T17:01:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RmrKPYMplYEEgS4s+7GTxIFPwf5B04opgQImoRd6kkF+Wxnh/znHU6qjIXL7E03PzkPNHCWWIgBlhjuJm90fCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T08:04:22.053209Z"},"content_sha256":"0e9085710334f5bbde19bbd3d0d56f63dc8a3dfd06758ed7c15d4bb222602955","schema_version":"1.0","event_id":"sha256:0e9085710334f5bbde19bbd3d0d56f63dc8a3dfd06758ed7c15d4bb222602955"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:TLAGDRWJPT33OZGGLAXOF3D3SZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Construction and analysis of a simplified many-body neutrino model","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Alexander Friedland (Los Alamos), Bruce H.J. McKellar (University of Melbourne), Ivona Okuniewicz (University of Melbourne)","submitted_at":"2006-02-02T20:58:51Z","abstract_excerpt":"In dense neutrino systems, such as found in the early Universe, or near a supernova core, neutrino flavor evolution is affected by coherent neutrino-neutrino scattering. It has been recently suggested that many-particle quantum entanglement effects may play an essential role in these systems, potentially invalidating the traditional description in terms of a set of single-particle evolution equations. We model the neutrino system by a system of interacting spins, following an earlier work which showed that such a spin system can in some cases be solved exactly. We extend this work by construct"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0602016","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ph/0602016/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":"2026-07-04T17:01:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lk1Ayyqu8kBpniiVlWgSxI6z6HhzlVbfZQcd+c2761aDJ70cNWKqDOtgkWMrq4OcM9JqCF0C7yFS0kR4f+GiAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T08:04:22.054115Z"},"content_sha256":"4b682b9578b3e01372a5d9654f704e4040537674711b2d13cd4f8528e535c602","schema_version":"1.0","event_id":"sha256:4b682b9578b3e01372a5d9654f704e4040537674711b2d13cd4f8528e535c602"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TLAGDRWJPT33OZGGLAXOF3D3SZ/bundle.json","state_url":"https://pith.science/pith/TLAGDRWJPT33OZGGLAXOF3D3SZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TLAGDRWJPT33OZGGLAXOF3D3SZ/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":"2026-08-03T08:04:22Z","links":{"resolver":"https://pith.science/pith/TLAGDRWJPT33OZGGLAXOF3D3SZ","bundle":"https://pith.science/pith/TLAGDRWJPT33OZGGLAXOF3D3SZ/bundle.json","state":"https://pith.science/pith/TLAGDRWJPT33OZGGLAXOF3D3SZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TLAGDRWJPT33OZGGLAXOF3D3SZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:TLAGDRWJPT33OZGGLAXOF3D3SZ","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":"57465a4c1edb936f0ff32190822233941b81c5d04e1ccff5449cee8170b483ce","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2006-02-02T20:58:51Z","title_canon_sha256":"8dd6ffc079287c1cdaf1863be4ffe57fcec8f715cc187a1ccac511fa6e5a1be7"},"schema_version":"1.0","source":{"id":"hep-ph/0602016","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0602016","created_at":"2026-07-04T17:01:39Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0602016v1","created_at":"2026-07-04T17:01:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0602016","created_at":"2026-07-04T17:01:39Z"},{"alias_kind":"pith_short_12","alias_value":"TLAGDRWJPT33","created_at":"2026-07-04T17:01:39Z"},{"alias_kind":"pith_short_16","alias_value":"TLAGDRWJPT33OZGG","created_at":"2026-07-04T17:01:39Z"},{"alias_kind":"pith_short_8","alias_value":"TLAGDRWJ","created_at":"2026-07-04T17:01:39Z"}],"graph_snapshots":[{"event_id":"sha256:4b682b9578b3e01372a5d9654f704e4040537674711b2d13cd4f8528e535c602","target":"graph","created_at":"2026-07-04T17:01:39Z","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/hep-ph/0602016/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In dense neutrino systems, such as found in the early Universe, or near a supernova core, neutrino flavor evolution is affected by coherent neutrino-neutrino scattering. It has been recently suggested that many-particle quantum entanglement effects may play an essential role in these systems, potentially invalidating the traditional description in terms of a set of single-particle evolution equations. We model the neutrino system by a system of interacting spins, following an earlier work which showed that such a spin system can in some cases be solved exactly. We extend this work by construct","authors_text":"Alexander Friedland (Los Alamos), Bruce H.J. McKellar (University of Melbourne), Ivona Okuniewicz (University of Melbourne)","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2006-02-02T20:58:51Z","title":"Construction and analysis of a simplified many-body neutrino model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0602016","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":"sha256:0e9085710334f5bbde19bbd3d0d56f63dc8a3dfd06758ed7c15d4bb222602955","target":"record","created_at":"2026-07-04T17:01:39Z","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":"57465a4c1edb936f0ff32190822233941b81c5d04e1ccff5449cee8170b483ce","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2006-02-02T20:58:51Z","title_canon_sha256":"8dd6ffc079287c1cdaf1863be4ffe57fcec8f715cc187a1ccac511fa6e5a1be7"},"schema_version":"1.0","source":{"id":"hep-ph/0602016","kind":"arxiv","version":1}},"canonical_sha256":"9ac061c6c97cf7b764c6582ee2ec7b96713f34b76915968bcd65bfa0ab62dc53","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9ac061c6c97cf7b764c6582ee2ec7b96713f34b76915968bcd65bfa0ab62dc53","first_computed_at":"2026-07-04T17:01:39.897635Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:01:39.897635Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+tHZasQDCWFZcjXAxrMSuYPYaF79kWZOZVEDfmFDSQAdRWGEpy7m5IWcqQDtSqzvqvxx/I2d082WLoLWxw/aCw==","signature_status":"signed_v1","signed_at":"2026-07-04T17:01:39.897971Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0602016","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0e9085710334f5bbde19bbd3d0d56f63dc8a3dfd06758ed7c15d4bb222602955","sha256:4b682b9578b3e01372a5d9654f704e4040537674711b2d13cd4f8528e535c602"],"state_sha256":"04cace8c3e9b26539267af055b9c08621e12e778712344450bffd611193eca90"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BZtHuZC1JQenIXPWTS1p50W3tSBAK0s/REPe4UuBFp54vSsPLh5pdRaGyb7cI8QlZfsKoOwcGq95kZ6YN7jmCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T08:04:22.059207Z","bundle_sha256":"42527a2cb6b4234149048a5839b70eb32dd2d479387d9951251bb874ec166678"}}