{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:7LBRNV4S6IKG7RWQBOK4MNHIGL","short_pith_number":"pith:7LBRNV4S","canonical_record":{"source":{"id":"1904.04355","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-04-08T21:05:05Z","cross_cats_sorted":[],"title_canon_sha256":"3d8ae0e58f2de3c665aca6cbcc2dabda8851d3532d5cd0d4797adc94ccd88597","abstract_canon_sha256":"e33b3df06acebc55aa38f95454fd8e14813fabaf539115db25fab940258c0aa8"},"schema_version":"1.0"},"canonical_sha256":"fac316d792f2146fc6d00b95c634e832ce0bf720e480adf881ff62fc0b4c1e1b","source":{"kind":"arxiv","id":"1904.04355","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.04355","created_at":"2026-07-05T01:03:58Z"},{"alias_kind":"arxiv_version","alias_value":"1904.04355v1","created_at":"2026-07-05T01:03:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.04355","created_at":"2026-07-05T01:03:58Z"},{"alias_kind":"pith_short_12","alias_value":"7LBRNV4S6IKG","created_at":"2026-07-05T01:03:58Z"},{"alias_kind":"pith_short_16","alias_value":"7LBRNV4S6IKG7RWQ","created_at":"2026-07-05T01:03:58Z"},{"alias_kind":"pith_short_8","alias_value":"7LBRNV4S","created_at":"2026-07-05T01:03:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:7LBRNV4S6IKG7RWQBOK4MNHIGL","target":"record","payload":{"canonical_record":{"source":{"id":"1904.04355","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-04-08T21:05:05Z","cross_cats_sorted":[],"title_canon_sha256":"3d8ae0e58f2de3c665aca6cbcc2dabda8851d3532d5cd0d4797adc94ccd88597","abstract_canon_sha256":"e33b3df06acebc55aa38f95454fd8e14813fabaf539115db25fab940258c0aa8"},"schema_version":"1.0"},"canonical_sha256":"fac316d792f2146fc6d00b95c634e832ce0bf720e480adf881ff62fc0b4c1e1b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:03:58.681693Z","signature_b64":"NA5TJlEExLfTBRnBZyqEfTBB7YACpD8VdQ4D3IE4xiMC6KskFBAibQsW10LCaMWWtpfeBq7qC9fMx1MCPt2GBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fac316d792f2146fc6d00b95c634e832ce0bf720e480adf881ff62fc0b4c1e1b","last_reissued_at":"2026-07-05T01:03:58.681277Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:03:58.681277Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.04355","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":"2026-07-05T01:03:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GKfo0NzEwFGtDriZaCEmiRMoK6eV9e0X3dw7gjAAeoOgcP9A+R2vuNP8ZTVcm3NmJ4ySJrszXLVSwKmnfZtnCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T11:52:59.218046Z"},"content_sha256":"3bb25abf2af1c59d4093b52e95c3ebfdd4368cf448461e723152537c06ecf2c4","schema_version":"1.0","event_id":"sha256:3bb25abf2af1c59d4093b52e95c3ebfdd4368cf448461e723152537c06ecf2c4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:7LBRNV4S6IKG7RWQBOK4MNHIGL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extragalactic neutrinos as tracers of Dark Matter?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Ana V. Penacchioni, Osvaldo Civitarese","submitted_at":"2019-04-08T21:05:05Z","abstract_excerpt":"Neutrinos produced in extragalactic sources may experience flavor-oscillations and decoherence on their way to Earth due to their interaction with dark matter (DM). As a result, they may be detected in pointer-states other than the flavor states at the source. The oscillation pattern and the structure of the pointer-states can give us information on the characteristics of the DM and the kind of interaction that has taken place. From this perspective, neutrinos can be viewed as DM-tracers. We study the local evolution of neutrino flavor-eigenstates due to local effects produced by the presence "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.04355","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/1904.04355/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":"2026-07-05T01:03:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j9wBxcir7LoF9WIKLWzBodWAd475dENFL+y40sIE4qSIlM3TdSO9XvtYEHRNQqJ0jrBh0nGZxSuisDQ4XdqPAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T11:52:59.218881Z"},"content_sha256":"803a1f9f4993665f3fbb3a80c38ab1004498302083e32744a6f32a260c06ee1c","schema_version":"1.0","event_id":"sha256:803a1f9f4993665f3fbb3a80c38ab1004498302083e32744a6f32a260c06ee1c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7LBRNV4S6IKG7RWQBOK4MNHIGL/bundle.json","state_url":"https://pith.science/pith/7LBRNV4S6IKG7RWQBOK4MNHIGL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7LBRNV4S6IKG7RWQBOK4MNHIGL/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":"2026-08-23T11:52:59Z","links":{"resolver":"https://pith.science/pith/7LBRNV4S6IKG7RWQBOK4MNHIGL","bundle":"https://pith.science/pith/7LBRNV4S6IKG7RWQBOK4MNHIGL/bundle.json","state":"https://pith.science/pith/7LBRNV4S6IKG7RWQBOK4MNHIGL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7LBRNV4S6IKG7RWQBOK4MNHIGL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:7LBRNV4S6IKG7RWQBOK4MNHIGL","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":"e33b3df06acebc55aa38f95454fd8e14813fabaf539115db25fab940258c0aa8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-04-08T21:05:05Z","title_canon_sha256":"3d8ae0e58f2de3c665aca6cbcc2dabda8851d3532d5cd0d4797adc94ccd88597"},"schema_version":"1.0","source":{"id":"1904.04355","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.04355","created_at":"2026-07-05T01:03:58Z"},{"alias_kind":"arxiv_version","alias_value":"1904.04355v1","created_at":"2026-07-05T01:03:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.04355","created_at":"2026-07-05T01:03:58Z"},{"alias_kind":"pith_short_12","alias_value":"7LBRNV4S6IKG","created_at":"2026-07-05T01:03:58Z"},{"alias_kind":"pith_short_16","alias_value":"7LBRNV4S6IKG7RWQ","created_at":"2026-07-05T01:03:58Z"},{"alias_kind":"pith_short_8","alias_value":"7LBRNV4S","created_at":"2026-07-05T01:03:58Z"}],"graph_snapshots":[{"event_id":"sha256:803a1f9f4993665f3fbb3a80c38ab1004498302083e32744a6f32a260c06ee1c","target":"graph","created_at":"2026-07-05T01:03:58Z","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/1904.04355/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Neutrinos produced in extragalactic sources may experience flavor-oscillations and decoherence on their way to Earth due to their interaction with dark matter (DM). As a result, they may be detected in pointer-states other than the flavor states at the source. The oscillation pattern and the structure of the pointer-states can give us information on the characteristics of the DM and the kind of interaction that has taken place. From this perspective, neutrinos can be viewed as DM-tracers. We study the local evolution of neutrino flavor-eigenstates due to local effects produced by the presence ","authors_text":"Ana V. Penacchioni, Osvaldo Civitarese","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-04-08T21:05:05Z","title":"Extragalactic neutrinos as tracers of Dark Matter?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.04355","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":"sha256:3bb25abf2af1c59d4093b52e95c3ebfdd4368cf448461e723152537c06ecf2c4","target":"record","created_at":"2026-07-05T01:03:58Z","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":"e33b3df06acebc55aa38f95454fd8e14813fabaf539115db25fab940258c0aa8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-04-08T21:05:05Z","title_canon_sha256":"3d8ae0e58f2de3c665aca6cbcc2dabda8851d3532d5cd0d4797adc94ccd88597"},"schema_version":"1.0","source":{"id":"1904.04355","kind":"arxiv","version":1}},"canonical_sha256":"fac316d792f2146fc6d00b95c634e832ce0bf720e480adf881ff62fc0b4c1e1b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fac316d792f2146fc6d00b95c634e832ce0bf720e480adf881ff62fc0b4c1e1b","first_computed_at":"2026-07-05T01:03:58.681277Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:03:58.681277Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NA5TJlEExLfTBRnBZyqEfTBB7YACpD8VdQ4D3IE4xiMC6KskFBAibQsW10LCaMWWtpfeBq7qC9fMx1MCPt2GBg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:03:58.681693Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.04355","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3bb25abf2af1c59d4093b52e95c3ebfdd4368cf448461e723152537c06ecf2c4","sha256:803a1f9f4993665f3fbb3a80c38ab1004498302083e32744a6f32a260c06ee1c"],"state_sha256":"9ac7e0f4077ec0bb3e4631f3a01de0de1d2cf323a2a6da551a74a6cfd945092c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"paRR4U6dUxSfElUG1HC3t85zLuY/Mktnu58768kaQKw5kiJK7DLSz1BdGbOMs0QGRBwGWgVRafXR/HMa9nr2DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T11:52:59.223840Z","bundle_sha256":"c9a2c1b935b2a491415cd3adc1bce6ce9a647b09459caa3f5637c9c368a1b732"}}