{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:4OUYAXCD3SY27IEZMQC3JIMK3Y","short_pith_number":"pith:4OUYAXCD","canonical_record":{"source":{"id":"1512.05988","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-12-18T15:22:03Z","cross_cats_sorted":[],"title_canon_sha256":"0b68ba9d44617a92f75ec0301c62fc4c803b747e5d91e6dce08296157a746703","abstract_canon_sha256":"7496c2b3d3906f7d17ea68af573aa7e6f2516265981faba08e18944e335491dd"},"schema_version":"1.0"},"canonical_sha256":"e3a9805c43dcb1afa0996405b4a18ade336ad0d0dbf8805f907850d20d2b3b3d","source":{"kind":"arxiv","id":"1512.05988","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.05988","created_at":"2026-05-18T01:10:51Z"},{"alias_kind":"arxiv_version","alias_value":"1512.05988v4","created_at":"2026-05-18T01:10:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.05988","created_at":"2026-05-18T01:10:51Z"},{"alias_kind":"pith_short_12","alias_value":"4OUYAXCD3SY2","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"4OUYAXCD3SY27IEZ","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"4OUYAXCD","created_at":"2026-05-18T12:29:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:4OUYAXCD3SY27IEZMQC3JIMK3Y","target":"record","payload":{"canonical_record":{"source":{"id":"1512.05988","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-12-18T15:22:03Z","cross_cats_sorted":[],"title_canon_sha256":"0b68ba9d44617a92f75ec0301c62fc4c803b747e5d91e6dce08296157a746703","abstract_canon_sha256":"7496c2b3d3906f7d17ea68af573aa7e6f2516265981faba08e18944e335491dd"},"schema_version":"1.0"},"canonical_sha256":"e3a9805c43dcb1afa0996405b4a18ade336ad0d0dbf8805f907850d20d2b3b3d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:51.705491Z","signature_b64":"9HHvYVseeBsMb6ZsuE46eTY8/qW5w8ZYhiOR8SMc+2o9ldnix6hz/GDdpc/BhBT798RwVDRZMuY1sTElKBViDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e3a9805c43dcb1afa0996405b4a18ade336ad0d0dbf8805f907850d20d2b3b3d","last_reissued_at":"2026-05-18T01:10:51.705007Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:51.705007Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.05988","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:10:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ru2+IC+Vviqioj25z8XLEhPayQiZyY7ie2euVgncOup5mLaSYMw5AnQECfsaM4Zdnh/ld6M5lGzf+ToWcvTmAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T11:28:56.896874Z"},"content_sha256":"42bec9f4b86d9d756b8e3530aa5304ed33de86818ef3bb7ffa9073ef2522c4f6","schema_version":"1.0","event_id":"sha256:42bec9f4b86d9d756b8e3530aa5304ed33de86818ef3bb7ffa9073ef2522c4f6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:4OUYAXCD3SY27IEZMQC3JIMK3Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cosmogenic Neutrinos Challenge the Cosmic Ray Proton Dip Model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Denise Boncioli, Jonas Heinze, Mauricio Bustamante, Walter Winter","submitted_at":"2015-12-18T15:22:03Z","abstract_excerpt":"The origin and composition of ultra-high-energy cosmic rays (UHECRs) remain a mystery. The proton dip model describes their spectral shape in the energy range above $10^9$ GeV by pair production and photohadronic interactions with the cosmic microwave background. The photohadronic interactions also produce cosmogenic neutrinos peaking around $10^9$ GeV. We test whether this model is still viable in light of recent UHECR spectrum measurements from the Telescope Array experiment, and upper limits on the cosmogenic neutrino flux from IceCube. While two-parameter fits have been already presented, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.05988","kind":"arxiv","version":4},"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":"2026-05-18T01:10:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DyCdZ9NrmND6WM6O/s5vS1Z2WxAjQLz+crzgMsN2oQK+eNl4cW3Ylf5mD3O/8GeVCw3wLBYASZvSPwNb8QiYCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T11:28:56.897438Z"},"content_sha256":"c4d5af39470446da45cc6eb1425307d7adcdd2d2a206e83847a2b3385a9198de","schema_version":"1.0","event_id":"sha256:c4d5af39470446da45cc6eb1425307d7adcdd2d2a206e83847a2b3385a9198de"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4OUYAXCD3SY27IEZMQC3JIMK3Y/bundle.json","state_url":"https://pith.science/pith/4OUYAXCD3SY27IEZMQC3JIMK3Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4OUYAXCD3SY27IEZMQC3JIMK3Y/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":"2026-05-19T11:28:56Z","links":{"resolver":"https://pith.science/pith/4OUYAXCD3SY27IEZMQC3JIMK3Y","bundle":"https://pith.science/pith/4OUYAXCD3SY27IEZMQC3JIMK3Y/bundle.json","state":"https://pith.science/pith/4OUYAXCD3SY27IEZMQC3JIMK3Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4OUYAXCD3SY27IEZMQC3JIMK3Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:4OUYAXCD3SY27IEZMQC3JIMK3Y","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":"7496c2b3d3906f7d17ea68af573aa7e6f2516265981faba08e18944e335491dd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-12-18T15:22:03Z","title_canon_sha256":"0b68ba9d44617a92f75ec0301c62fc4c803b747e5d91e6dce08296157a746703"},"schema_version":"1.0","source":{"id":"1512.05988","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.05988","created_at":"2026-05-18T01:10:51Z"},{"alias_kind":"arxiv_version","alias_value":"1512.05988v4","created_at":"2026-05-18T01:10:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.05988","created_at":"2026-05-18T01:10:51Z"},{"alias_kind":"pith_short_12","alias_value":"4OUYAXCD3SY2","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"4OUYAXCD3SY27IEZ","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"4OUYAXCD","created_at":"2026-05-18T12:29:05Z"}],"graph_snapshots":[{"event_id":"sha256:c4d5af39470446da45cc6eb1425307d7adcdd2d2a206e83847a2b3385a9198de","target":"graph","created_at":"2026-05-18T01:10:51Z","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":"The origin and composition of ultra-high-energy cosmic rays (UHECRs) remain a mystery. The proton dip model describes their spectral shape in the energy range above $10^9$ GeV by pair production and photohadronic interactions with the cosmic microwave background. The photohadronic interactions also produce cosmogenic neutrinos peaking around $10^9$ GeV. We test whether this model is still viable in light of recent UHECR spectrum measurements from the Telescope Array experiment, and upper limits on the cosmogenic neutrino flux from IceCube. While two-parameter fits have been already presented, ","authors_text":"Denise Boncioli, Jonas Heinze, Mauricio Bustamante, Walter Winter","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-12-18T15:22:03Z","title":"Cosmogenic Neutrinos Challenge the Cosmic Ray Proton Dip Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.05988","kind":"arxiv","version":4},"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":"sha256:42bec9f4b86d9d756b8e3530aa5304ed33de86818ef3bb7ffa9073ef2522c4f6","target":"record","created_at":"2026-05-18T01:10:51Z","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":"7496c2b3d3906f7d17ea68af573aa7e6f2516265981faba08e18944e335491dd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-12-18T15:22:03Z","title_canon_sha256":"0b68ba9d44617a92f75ec0301c62fc4c803b747e5d91e6dce08296157a746703"},"schema_version":"1.0","source":{"id":"1512.05988","kind":"arxiv","version":4}},"canonical_sha256":"e3a9805c43dcb1afa0996405b4a18ade336ad0d0dbf8805f907850d20d2b3b3d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e3a9805c43dcb1afa0996405b4a18ade336ad0d0dbf8805f907850d20d2b3b3d","first_computed_at":"2026-05-18T01:10:51.705007Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:10:51.705007Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9HHvYVseeBsMb6ZsuE46eTY8/qW5w8ZYhiOR8SMc+2o9ldnix6hz/GDdpc/BhBT798RwVDRZMuY1sTElKBViDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:10:51.705491Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.05988","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:42bec9f4b86d9d756b8e3530aa5304ed33de86818ef3bb7ffa9073ef2522c4f6","sha256:c4d5af39470446da45cc6eb1425307d7adcdd2d2a206e83847a2b3385a9198de"],"state_sha256":"4b93f7ff2fffe61707d29e68c842278f70674888a79db97cd2150820772dbe4c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zrpF7umlotnFJfHRhVzCgOjELGus3/662nXTgwBLxU54E1UokEQ5QO1NKPujxYkDVCOBcjz0XE+UwN0MQOAIBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T11:28:56.900121Z","bundle_sha256":"64af35fb458fad1dd87fbeb29e0654e822f04ef2f884502b7c793e285a03a091"}}