{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2005:SWWDRVZB57EJWBSGB64NSFAJM3","short_pith_number":"pith:SWWDRVZB","schema_version":"1.0","canonical_sha256":"95ac38d721efc89b06460fb8d9140966d00459a5c1d52987ea9529c6df3e708d","source":{"kind":"arxiv","id":"astro-ph/0512439","version":1},"attestation_state":"computed","paper":{"title":"Strongly Interacting Neutrinos as the Highest Energy Cosmic Rays: A Quantitative Analysis","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Andreas Ringwald, Huitzu Tu, Markus Ahlers","submitted_at":"2005-12-16T14:00:24Z","abstract_excerpt":"Scattering processes in the cosmic microwave background limit the propagation of ultra high energy charged particles in our Universe. For extragalactic proton sources resonant photopion production results in the famous Greisen-Zatsepin-Kuzmin (GZK) cutoff at about 4x10^10 GeV expected in the spectrum observed on Earth. The faint flux of ultra high energy cosmic rays of less than one event per year and cubic kilometer and the large systematic uncertainties in the energy calibration of cosmic ray showers is a challenge for cosmic ray observatories and so far the GZK cutoff has not been unambiguo"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"astro-ph/0512439","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-12-16T14:00:24Z","cross_cats_sorted":[],"title_canon_sha256":"d699c3069ccef2e15857178f8052702d348a11315d8f4a0a6b4cbad7ed32afd5","abstract_canon_sha256":"a1de1c3501c42887a1d5c3bb46a19fb580312eeb95f8d1b19b237780538d2be7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:51:28.161401Z","signature_b64":"zo/ZrFFaNRsK1wZ9oEefhEcS8mBnZZDWdWimttcjgPXvLCaBSPH8F3w4ZkUvi7JKh/JkAqkT3jNVMT41/KNjCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"95ac38d721efc89b06460fb8d9140966d00459a5c1d52987ea9529c6df3e708d","last_reissued_at":"2026-07-04T14:51:28.161019Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:51:28.161019Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Strongly Interacting Neutrinos as the Highest Energy Cosmic Rays: A Quantitative Analysis","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Andreas Ringwald, Huitzu Tu, Markus Ahlers","submitted_at":"2005-12-16T14:00:24Z","abstract_excerpt":"Scattering processes in the cosmic microwave background limit the propagation of ultra high energy charged particles in our Universe. For extragalactic proton sources resonant photopion production results in the famous Greisen-Zatsepin-Kuzmin (GZK) cutoff at about 4x10^10 GeV expected in the spectrum observed on Earth. The faint flux of ultra high energy cosmic rays of less than one event per year and cubic kilometer and the large systematic uncertainties in the energy calibration of cosmic ray showers is a challenge for cosmic ray observatories and so far the GZK cutoff has not been unambiguo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0512439","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/astro-ph/0512439/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0512439","created_at":"2026-07-04T14:51:28.161074+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0512439v1","created_at":"2026-07-04T14:51:28.161074+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0512439","created_at":"2026-07-04T14:51:28.161074+00:00"},{"alias_kind":"pith_short_12","alias_value":"SWWDRVZB57EJ","created_at":"2026-07-04T14:51:28.161074+00:00"},{"alias_kind":"pith_short_16","alias_value":"SWWDRVZB57EJWBSG","created_at":"2026-07-04T14:51:28.161074+00:00"},{"alias_kind":"pith_short_8","alias_value":"SWWDRVZB","created_at":"2026-07-04T14:51:28.161074+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/SWWDRVZB57EJWBSGB64NSFAJM3","json":"https://pith.science/pith/SWWDRVZB57EJWBSGB64NSFAJM3.json","graph_json":"https://pith.science/api/pith-number/SWWDRVZB57EJWBSGB64NSFAJM3/graph.json","events_json":"https://pith.science/api/pith-number/SWWDRVZB57EJWBSGB64NSFAJM3/events.json","paper":"https://pith.science/paper/SWWDRVZB"},"agent_actions":{"view_html":"https://pith.science/pith/SWWDRVZB57EJWBSGB64NSFAJM3","download_json":"https://pith.science/pith/SWWDRVZB57EJWBSGB64NSFAJM3.json","view_paper":"https://pith.science/paper/SWWDRVZB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0512439&json=true","fetch_graph":"https://pith.science/api/pith-number/SWWDRVZB57EJWBSGB64NSFAJM3/graph.json","fetch_events":"https://pith.science/api/pith-number/SWWDRVZB57EJWBSGB64NSFAJM3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SWWDRVZB57EJWBSGB64NSFAJM3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SWWDRVZB57EJWBSGB64NSFAJM3/action/storage_attestation","attest_author":"https://pith.science/pith/SWWDRVZB57EJWBSGB64NSFAJM3/action/author_attestation","sign_citation":"https://pith.science/pith/SWWDRVZB57EJWBSGB64NSFAJM3/action/citation_signature","submit_replication":"https://pith.science/pith/SWWDRVZB57EJWBSGB64NSFAJM3/action/replication_record"}},"created_at":"2026-07-04T14:51:28.161074+00:00","updated_at":"2026-07-04T14:51:28.161074+00:00"}