{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:SUZ6P2I2OVNJOAJVUW5SZJP74P","short_pith_number":"pith:SUZ6P2I2","canonical_record":{"source":{"id":"1810.03769","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-10-09T01:48:14Z","cross_cats_sorted":[],"title_canon_sha256":"aa294cdf9efe3c1eb56bac981df42f62d9f7284188f9c8120058771900054917","abstract_canon_sha256":"4b65ddc93ca391667825813c543076f8fff6cabea5e8f2094b7619a7e285cac9"},"schema_version":"1.0"},"canonical_sha256":"9533e7e91a755a970135a5bb2ca5ffe3e00a0084ceb1be438401869602a77cb9","source":{"kind":"arxiv","id":"1810.03769","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.03769","created_at":"2026-05-17T23:43:04Z"},{"alias_kind":"arxiv_version","alias_value":"1810.03769v1","created_at":"2026-05-17T23:43:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.03769","created_at":"2026-05-17T23:43:04Z"},{"alias_kind":"pith_short_12","alias_value":"SUZ6P2I2OVNJ","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"SUZ6P2I2OVNJOAJV","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"SUZ6P2I2","created_at":"2026-05-18T12:32:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:SUZ6P2I2OVNJOAJVUW5SZJP74P","target":"record","payload":{"canonical_record":{"source":{"id":"1810.03769","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-10-09T01:48:14Z","cross_cats_sorted":[],"title_canon_sha256":"aa294cdf9efe3c1eb56bac981df42f62d9f7284188f9c8120058771900054917","abstract_canon_sha256":"4b65ddc93ca391667825813c543076f8fff6cabea5e8f2094b7619a7e285cac9"},"schema_version":"1.0"},"canonical_sha256":"9533e7e91a755a970135a5bb2ca5ffe3e00a0084ceb1be438401869602a77cb9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:04.510074Z","signature_b64":"MMUnSviXfLHmn9Ihsz6sGN5S9kLmVeRcu2wiMxHVV9iIqkmrEbU0R8YmowxAuAb1XuoM/WQYY9u4qiaTvajSDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9533e7e91a755a970135a5bb2ca5ffe3e00a0084ceb1be438401869602a77cb9","last_reissued_at":"2026-05-17T23:43:04.509638Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:04.509638Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.03769","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":"2026-05-17T23:43:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"as2rl/ejCFeey6vdBMXJuVf+b5jgfoG/Qgs7NIirsODa5wWtTHQnqcr7+US6v1bMcmTvIIbyTVYpxpeaEmNIAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T02:51:54.765888Z"},"content_sha256":"3996769606a90f6540d06c94c9a5a717a938232ab894000fa61951ab5eb614bc","schema_version":"1.0","event_id":"sha256:3996769606a90f6540d06c94c9a5a717a938232ab894000fa61951ab5eb614bc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:SUZ6P2I2OVNJOAJVUW5SZJP74P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Predictions for the flux of high-energy cosmogenic neutrinos and the influence of the extragalactic magnetic field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"David Wittkowski, Karl-Heinz Kampert","submitted_at":"2018-10-09T01:48:14Z","abstract_excerpt":"Cosmogenic neutrinos originate from interactions of cosmic rays propagating through the universe with cosmic background photons. Since both high-energy cosmic rays and cosmic background photons exist, the existence of high-energy cosmogenic neutrinos is almost certain. However, their flux has not been measured so far. Therefore, we calculated the flux of high-energy cosmogenic neutrinos arriving at the Earth on the basis of elaborate four-dimensional simulations that take into account three spatial degrees of freedom and the cosmological time-evolution of the universe. Our predictions for this"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.03769","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":""},"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":"2026-05-17T23:43:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wRTWjKaFMjaA+dJAT6/w5sWLHz1R8dODwXNFy276Y5klh5VFEL2wGEpUi+4Ii6Iu1aVwH84q2qHd4FiiNO+0Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T02:51:54.766238Z"},"content_sha256":"16d4fa6766a0d380c6af0498a322b185978e7dc4df4cb7d85e2fc10bd8c38a10","schema_version":"1.0","event_id":"sha256:16d4fa6766a0d380c6af0498a322b185978e7dc4df4cb7d85e2fc10bd8c38a10"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SUZ6P2I2OVNJOAJVUW5SZJP74P/bundle.json","state_url":"https://pith.science/pith/SUZ6P2I2OVNJOAJVUW5SZJP74P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SUZ6P2I2OVNJOAJVUW5SZJP74P/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":"2026-06-06T02:51:54Z","links":{"resolver":"https://pith.science/pith/SUZ6P2I2OVNJOAJVUW5SZJP74P","bundle":"https://pith.science/pith/SUZ6P2I2OVNJOAJVUW5SZJP74P/bundle.json","state":"https://pith.science/pith/SUZ6P2I2OVNJOAJVUW5SZJP74P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SUZ6P2I2OVNJOAJVUW5SZJP74P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:SUZ6P2I2OVNJOAJVUW5SZJP74P","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":"4b65ddc93ca391667825813c543076f8fff6cabea5e8f2094b7619a7e285cac9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-10-09T01:48:14Z","title_canon_sha256":"aa294cdf9efe3c1eb56bac981df42f62d9f7284188f9c8120058771900054917"},"schema_version":"1.0","source":{"id":"1810.03769","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.03769","created_at":"2026-05-17T23:43:04Z"},{"alias_kind":"arxiv_version","alias_value":"1810.03769v1","created_at":"2026-05-17T23:43:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.03769","created_at":"2026-05-17T23:43:04Z"},{"alias_kind":"pith_short_12","alias_value":"SUZ6P2I2OVNJ","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"SUZ6P2I2OVNJOAJV","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"SUZ6P2I2","created_at":"2026-05-18T12:32:53Z"}],"graph_snapshots":[{"event_id":"sha256:16d4fa6766a0d380c6af0498a322b185978e7dc4df4cb7d85e2fc10bd8c38a10","target":"graph","created_at":"2026-05-17T23:43:04Z","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"},"paper":{"abstract_excerpt":"Cosmogenic neutrinos originate from interactions of cosmic rays propagating through the universe with cosmic background photons. Since both high-energy cosmic rays and cosmic background photons exist, the existence of high-energy cosmogenic neutrinos is almost certain. However, their flux has not been measured so far. Therefore, we calculated the flux of high-energy cosmogenic neutrinos arriving at the Earth on the basis of elaborate four-dimensional simulations that take into account three spatial degrees of freedom and the cosmological time-evolution of the universe. Our predictions for this","authors_text":"David Wittkowski, Karl-Heinz Kampert","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-10-09T01:48:14Z","title":"Predictions for the flux of high-energy cosmogenic neutrinos and the influence of the extragalactic magnetic field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.03769","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":"sha256:3996769606a90f6540d06c94c9a5a717a938232ab894000fa61951ab5eb614bc","target":"record","created_at":"2026-05-17T23:43:04Z","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":"4b65ddc93ca391667825813c543076f8fff6cabea5e8f2094b7619a7e285cac9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-10-09T01:48:14Z","title_canon_sha256":"aa294cdf9efe3c1eb56bac981df42f62d9f7284188f9c8120058771900054917"},"schema_version":"1.0","source":{"id":"1810.03769","kind":"arxiv","version":1}},"canonical_sha256":"9533e7e91a755a970135a5bb2ca5ffe3e00a0084ceb1be438401869602a77cb9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9533e7e91a755a970135a5bb2ca5ffe3e00a0084ceb1be438401869602a77cb9","first_computed_at":"2026-05-17T23:43:04.509638Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:43:04.509638Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MMUnSviXfLHmn9Ihsz6sGN5S9kLmVeRcu2wiMxHVV9iIqkmrEbU0R8YmowxAuAb1XuoM/WQYY9u4qiaTvajSDQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:43:04.510074Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.03769","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3996769606a90f6540d06c94c9a5a717a938232ab894000fa61951ab5eb614bc","sha256:16d4fa6766a0d380c6af0498a322b185978e7dc4df4cb7d85e2fc10bd8c38a10"],"state_sha256":"8b8b18a89d62f463e0383995dbc44049fa0f4529aac8c34bbd64e151fd8349e5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wjBaawu4jiSxzQbe26vPD2DpqfAqcihIZKQ2RgTkMY+ySMJvRbtfqMlK/HdVs2T74Rx1I98HfAhbNbPb5JkdAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T02:51:54.768667Z","bundle_sha256":"93b1133faaea36c450234448793584f5f52b67d557e57304c517c2f06b9daf71"}}