{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:VQ6Q2D3U2ZJIEGDTZ4PSK2XFJM","short_pith_number":"pith:VQ6Q2D3U","canonical_record":{"source":{"id":"2011.00004","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-10-30T18:00:00Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"1d6f69f21a1ca000e81476802680b546a9b4108e6c3ef84cb4aa71149ab21f00","abstract_canon_sha256":"b2584e32ddb78d93db1d3a4aa19659e779d27a9a8187f1ded9c5386a32541991"},"schema_version":"1.0"},"canonical_sha256":"ac3d0d0f74d652821873cf1f256ae54b19a13903d5443121c4d1989cd5860479","source":{"kind":"arxiv","id":"2011.00004","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.00004","created_at":"2026-07-05T02:21:37Z"},{"alias_kind":"arxiv_version","alias_value":"2011.00004v2","created_at":"2026-07-05T02:21:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.00004","created_at":"2026-07-05T02:21:37Z"},{"alias_kind":"pith_short_12","alias_value":"VQ6Q2D3U2ZJI","created_at":"2026-07-05T02:21:37Z"},{"alias_kind":"pith_short_16","alias_value":"VQ6Q2D3U2ZJIEGDT","created_at":"2026-07-05T02:21:37Z"},{"alias_kind":"pith_short_8","alias_value":"VQ6Q2D3U","created_at":"2026-07-05T02:21:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:VQ6Q2D3U2ZJIEGDTZ4PSK2XFJM","target":"record","payload":{"canonical_record":{"source":{"id":"2011.00004","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-10-30T18:00:00Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"1d6f69f21a1ca000e81476802680b546a9b4108e6c3ef84cb4aa71149ab21f00","abstract_canon_sha256":"b2584e32ddb78d93db1d3a4aa19659e779d27a9a8187f1ded9c5386a32541991"},"schema_version":"1.0"},"canonical_sha256":"ac3d0d0f74d652821873cf1f256ae54b19a13903d5443121c4d1989cd5860479","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:21:37.428890Z","signature_b64":"DUUN74BluIUmCJ9EPIoUgLcmlII2tCBWH3gyJnTBnqTXns+u+KQvHifF8WjX0ZbIE89Wc5VbJJC4qwYfaaTMAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ac3d0d0f74d652821873cf1f256ae54b19a13903d5443121c4d1989cd5860479","last_reissued_at":"2026-07-05T02:21:37.428482Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:21:37.428482Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2011.00004","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":"2026-07-05T02:21:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mX0pJ2H5E2elbpoE4nuXdaMzcyrhyBCk9TtkT34YsovCoZRaTAAFhas6xCaCIpLIgFrCoQ7PwTRWZAPgc9/3AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T14:14:35.290139Z"},"content_sha256":"d88e6c169eff3521de512a987a26d0bd7caaf3e5767c3831a6860874569c7627","schema_version":"1.0","event_id":"sha256:d88e6c169eff3521de512a987a26d0bd7caaf3e5767c3831a6860874569c7627"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:VQ6Q2D3U2ZJIEGDTZ4PSK2XFJM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A change of direction in pairwise neutrino conversion physics: The effect of collisions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph.HE","authors_text":"Irene Tamborra, Shashank Shalgar","submitted_at":"2020-10-30T18:00:00Z","abstract_excerpt":"Fast pairwise conversions of neutrinos may affect the flavor distribution in the core of neutrino-dense sources. We explore the interplay between collisions and fast conversions within a simplified framework that assumes angle-independent, direction-changing collisions in a neutrino gas that has no spatial inhomogeneity. Counter to expectations, we find that collisions may enhance fast flavor conversions instead of damping them. Our work highlights the need to take into account the feedback of collisions on the neutrino angular distributions self-consistently, in order to predict the flavor ou"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.00004","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/2011.00004/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":"2026-07-05T02:21:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XG9RRHiKk+t9YIRoe0PABMHq9FCnl11WKUjLRFAh9WXGZ+qCJQILKuzbsFcuW5OrtMMTvDXoujgy0ZkQh/Y7Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T14:14:35.290645Z"},"content_sha256":"6d58bd3229265b00ff7c896e0ea7e0470903e9f75292b20c226b7057f66a4838","schema_version":"1.0","event_id":"sha256:6d58bd3229265b00ff7c896e0ea7e0470903e9f75292b20c226b7057f66a4838"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VQ6Q2D3U2ZJIEGDTZ4PSK2XFJM/bundle.json","state_url":"https://pith.science/pith/VQ6Q2D3U2ZJIEGDTZ4PSK2XFJM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VQ6Q2D3U2ZJIEGDTZ4PSK2XFJM/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":"2026-08-09T14:14:35Z","links":{"resolver":"https://pith.science/pith/VQ6Q2D3U2ZJIEGDTZ4PSK2XFJM","bundle":"https://pith.science/pith/VQ6Q2D3U2ZJIEGDTZ4PSK2XFJM/bundle.json","state":"https://pith.science/pith/VQ6Q2D3U2ZJIEGDTZ4PSK2XFJM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VQ6Q2D3U2ZJIEGDTZ4PSK2XFJM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:VQ6Q2D3U2ZJIEGDTZ4PSK2XFJM","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":"b2584e32ddb78d93db1d3a4aa19659e779d27a9a8187f1ded9c5386a32541991","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-10-30T18:00:00Z","title_canon_sha256":"1d6f69f21a1ca000e81476802680b546a9b4108e6c3ef84cb4aa71149ab21f00"},"schema_version":"1.0","source":{"id":"2011.00004","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.00004","created_at":"2026-07-05T02:21:37Z"},{"alias_kind":"arxiv_version","alias_value":"2011.00004v2","created_at":"2026-07-05T02:21:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.00004","created_at":"2026-07-05T02:21:37Z"},{"alias_kind":"pith_short_12","alias_value":"VQ6Q2D3U2ZJI","created_at":"2026-07-05T02:21:37Z"},{"alias_kind":"pith_short_16","alias_value":"VQ6Q2D3U2ZJIEGDT","created_at":"2026-07-05T02:21:37Z"},{"alias_kind":"pith_short_8","alias_value":"VQ6Q2D3U","created_at":"2026-07-05T02:21:37Z"}],"graph_snapshots":[{"event_id":"sha256:6d58bd3229265b00ff7c896e0ea7e0470903e9f75292b20c226b7057f66a4838","target":"graph","created_at":"2026-07-05T02:21:37Z","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/2011.00004/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Fast pairwise conversions of neutrinos may affect the flavor distribution in the core of neutrino-dense sources. We explore the interplay between collisions and fast conversions within a simplified framework that assumes angle-independent, direction-changing collisions in a neutrino gas that has no spatial inhomogeneity. Counter to expectations, we find that collisions may enhance fast flavor conversions instead of damping them. Our work highlights the need to take into account the feedback of collisions on the neutrino angular distributions self-consistently, in order to predict the flavor ou","authors_text":"Irene Tamborra, Shashank Shalgar","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-10-30T18:00:00Z","title":"A change of direction in pairwise neutrino conversion physics: The effect of collisions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.00004","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:d88e6c169eff3521de512a987a26d0bd7caaf3e5767c3831a6860874569c7627","target":"record","created_at":"2026-07-05T02:21:37Z","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":"b2584e32ddb78d93db1d3a4aa19659e779d27a9a8187f1ded9c5386a32541991","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-10-30T18:00:00Z","title_canon_sha256":"1d6f69f21a1ca000e81476802680b546a9b4108e6c3ef84cb4aa71149ab21f00"},"schema_version":"1.0","source":{"id":"2011.00004","kind":"arxiv","version":2}},"canonical_sha256":"ac3d0d0f74d652821873cf1f256ae54b19a13903d5443121c4d1989cd5860479","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ac3d0d0f74d652821873cf1f256ae54b19a13903d5443121c4d1989cd5860479","first_computed_at":"2026-07-05T02:21:37.428482Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:21:37.428482Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DUUN74BluIUmCJ9EPIoUgLcmlII2tCBWH3gyJnTBnqTXns+u+KQvHifF8WjX0ZbIE89Wc5VbJJC4qwYfaaTMAA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:21:37.428890Z","signed_message":"canonical_sha256_bytes"},"source_id":"2011.00004","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d88e6c169eff3521de512a987a26d0bd7caaf3e5767c3831a6860874569c7627","sha256:6d58bd3229265b00ff7c896e0ea7e0470903e9f75292b20c226b7057f66a4838"],"state_sha256":"d19ae266e063c984c0dafdae1c59a02ac8471ebfae650b2eed260cef0612870c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ERLPMcmUkVjbZkYhxqt+UdcLE+QwNbBJFfXXAh5B90jj8ScTORyEtt3maGhWBPYpQmeAwUwwdj0lx3B5xFkRCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T14:14:35.295592Z","bundle_sha256":"c2557a7dd7fe58032e3087b681b79dfcfbd148c4bb25a9935865a561dd34ea61"}}