{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:Z6Z2GEOBD4XBX6BI5LH6YJBNMB","short_pith_number":"pith:Z6Z2GEOB","canonical_record":{"source":{"id":"1909.10585","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-09-23T19:34:07Z","cross_cats_sorted":[],"title_canon_sha256":"9c6b48971e7da1c5d2a069f92148183d97b970bc6128debd547d5527a6993665","abstract_canon_sha256":"89bfe9a2e1975d7803d491f06623f91b3d459e18ff5cbbbe084d3937140edf36"},"schema_version":"1.0"},"canonical_sha256":"cfb3a311c11f2e1bf828eacfec242d6066e12ad749fdcf42c5247348e08c6c85","source":{"kind":"arxiv","id":"1909.10585","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1909.10585","created_at":"2026-07-05T00:06:22Z"},{"alias_kind":"arxiv_version","alias_value":"1909.10585v1","created_at":"2026-07-05T00:06:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.10585","created_at":"2026-07-05T00:06:22Z"},{"alias_kind":"pith_short_12","alias_value":"Z6Z2GEOBD4XB","created_at":"2026-07-05T00:06:22Z"},{"alias_kind":"pith_short_16","alias_value":"Z6Z2GEOBD4XBX6BI","created_at":"2026-07-05T00:06:22Z"},{"alias_kind":"pith_short_8","alias_value":"Z6Z2GEOB","created_at":"2026-07-05T00:06:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:Z6Z2GEOBD4XBX6BI5LH6YJBNMB","target":"record","payload":{"canonical_record":{"source":{"id":"1909.10585","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-09-23T19:34:07Z","cross_cats_sorted":[],"title_canon_sha256":"9c6b48971e7da1c5d2a069f92148183d97b970bc6128debd547d5527a6993665","abstract_canon_sha256":"89bfe9a2e1975d7803d491f06623f91b3d459e18ff5cbbbe084d3937140edf36"},"schema_version":"1.0"},"canonical_sha256":"cfb3a311c11f2e1bf828eacfec242d6066e12ad749fdcf42c5247348e08c6c85","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:06:22.038179Z","signature_b64":"Wqgos/F2bXKeVsd3L8i9ze1LzlYTsmLXAaI7LnEzZnXr3PP04elFP6cJDjyaepr9Nc+rYsbrzaxu5bVot0C2AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cfb3a311c11f2e1bf828eacfec242d6066e12ad749fdcf42c5247348e08c6c85","last_reissued_at":"2026-07-05T00:06:22.037810Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:06:22.037810Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1909.10585","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":"2026-07-05T00:06:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bvUsmGPv+LvUUrrqQLRm3lrWF1ZI3mHG14J1zvpI/zJHXsQtpNr1knkpTvzSWfzMTdhZS88FNXyAMI7bonPEAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T02:25:49.050124Z"},"content_sha256":"bba8807ba38b0b567847ef519caf7529f0d846873180510793147a7f61a2b744","schema_version":"1.0","event_id":"sha256:bba8807ba38b0b567847ef519caf7529f0d846873180510793147a7f61a2b744"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:Z6Z2GEOBD4XBX6BI5LH6YJBNMB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Novel matter effects on neutrino oscillations observables","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Adam Zettel, Mihai Horoi","submitted_at":"2019-09-23T19:34:07Z","abstract_excerpt":"In a recent article (arxiv:1803.06332) we noticed that the electron density in condensed matter exhibits large spikes close to the atomic nuclei. We showed that these spikes in the electron densities, 3-4 orders of magnitude larger than those inside the Sun's core, have no effect on the neutrino emission and absorption probabilities or on the neutrinoless double beta decay probability. However, it was not clear if the effect of these spikes is equivalent to that of an average constant electron density in matter. We investigated these effects by a direct integration of the coupled Dirac equatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.10585","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/1909.10585/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":"2026-07-05T00:06:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fFzOXkHFPor35rK4/VW6nW2ntQWxWinDDPYyDrlHENuNKnVqaSwqz1aBROBLvK1IqZpDA2eaMGJpgE02OU/ZDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T02:25:49.050671Z"},"content_sha256":"4a3522c12116070cb6519b59e09c1c1da132f5cd5abd4d5cdfcb82d2ff8f7f93","schema_version":"1.0","event_id":"sha256:4a3522c12116070cb6519b59e09c1c1da132f5cd5abd4d5cdfcb82d2ff8f7f93"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z6Z2GEOBD4XBX6BI5LH6YJBNMB/bundle.json","state_url":"https://pith.science/pith/Z6Z2GEOBD4XBX6BI5LH6YJBNMB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z6Z2GEOBD4XBX6BI5LH6YJBNMB/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":"2026-08-04T02:25:49Z","links":{"resolver":"https://pith.science/pith/Z6Z2GEOBD4XBX6BI5LH6YJBNMB","bundle":"https://pith.science/pith/Z6Z2GEOBD4XBX6BI5LH6YJBNMB/bundle.json","state":"https://pith.science/pith/Z6Z2GEOBD4XBX6BI5LH6YJBNMB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z6Z2GEOBD4XBX6BI5LH6YJBNMB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:Z6Z2GEOBD4XBX6BI5LH6YJBNMB","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":"89bfe9a2e1975d7803d491f06623f91b3d459e18ff5cbbbe084d3937140edf36","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-09-23T19:34:07Z","title_canon_sha256":"9c6b48971e7da1c5d2a069f92148183d97b970bc6128debd547d5527a6993665"},"schema_version":"1.0","source":{"id":"1909.10585","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1909.10585","created_at":"2026-07-05T00:06:22Z"},{"alias_kind":"arxiv_version","alias_value":"1909.10585v1","created_at":"2026-07-05T00:06:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.10585","created_at":"2026-07-05T00:06:22Z"},{"alias_kind":"pith_short_12","alias_value":"Z6Z2GEOBD4XB","created_at":"2026-07-05T00:06:22Z"},{"alias_kind":"pith_short_16","alias_value":"Z6Z2GEOBD4XBX6BI","created_at":"2026-07-05T00:06:22Z"},{"alias_kind":"pith_short_8","alias_value":"Z6Z2GEOB","created_at":"2026-07-05T00:06:22Z"}],"graph_snapshots":[{"event_id":"sha256:4a3522c12116070cb6519b59e09c1c1da132f5cd5abd4d5cdfcb82d2ff8f7f93","target":"graph","created_at":"2026-07-05T00:06:22Z","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/1909.10585/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In a recent article (arxiv:1803.06332) we noticed that the electron density in condensed matter exhibits large spikes close to the atomic nuclei. We showed that these spikes in the electron densities, 3-4 orders of magnitude larger than those inside the Sun's core, have no effect on the neutrino emission and absorption probabilities or on the neutrinoless double beta decay probability. However, it was not clear if the effect of these spikes is equivalent to that of an average constant electron density in matter. We investigated these effects by a direct integration of the coupled Dirac equatio","authors_text":"Adam Zettel, Mihai Horoi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-09-23T19:34:07Z","title":"Novel matter effects on neutrino oscillations observables"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.10585","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:bba8807ba38b0b567847ef519caf7529f0d846873180510793147a7f61a2b744","target":"record","created_at":"2026-07-05T00:06:22Z","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":"89bfe9a2e1975d7803d491f06623f91b3d459e18ff5cbbbe084d3937140edf36","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-09-23T19:34:07Z","title_canon_sha256":"9c6b48971e7da1c5d2a069f92148183d97b970bc6128debd547d5527a6993665"},"schema_version":"1.0","source":{"id":"1909.10585","kind":"arxiv","version":1}},"canonical_sha256":"cfb3a311c11f2e1bf828eacfec242d6066e12ad749fdcf42c5247348e08c6c85","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cfb3a311c11f2e1bf828eacfec242d6066e12ad749fdcf42c5247348e08c6c85","first_computed_at":"2026-07-05T00:06:22.037810Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:06:22.037810Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Wqgos/F2bXKeVsd3L8i9ze1LzlYTsmLXAaI7LnEzZnXr3PP04elFP6cJDjyaepr9Nc+rYsbrzaxu5bVot0C2AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:06:22.038179Z","signed_message":"canonical_sha256_bytes"},"source_id":"1909.10585","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bba8807ba38b0b567847ef519caf7529f0d846873180510793147a7f61a2b744","sha256:4a3522c12116070cb6519b59e09c1c1da132f5cd5abd4d5cdfcb82d2ff8f7f93"],"state_sha256":"3a9cbbe61058780a92971e026fe6fa04d52a35a12c77353999388920f5ba1215"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kpMgsF+ZE59UOdPzMUKF8ZkCPQ/H+NaGptF3DSIuFTPvy3MVZ7yGcAeIzIfUZxSbpZeECx4EJaYnGnzU6ezKBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T02:25:49.056634Z","bundle_sha256":"ec7292bfcb7016b182ead09e5994b2e6797bb2de9c2d8c71f8cfb9799e0bd857"}}