{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:G4TPZMMLRVIYWQX4PBLDGLTNXV","short_pith_number":"pith:G4TPZMML","schema_version":"1.0","canonical_sha256":"3726fcb18b8d518b42fc7856332e6dbd733324f5b124d2b046a042f00ae8c848","source":{"kind":"arxiv","id":"1111.1607","version":1},"attestation_state":"computed","paper":{"title":"Enhancing the Relative Fe-to-Proton Abundance in Ultra-High-Energy Cosmic Rays","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Carl Blaksley, Etienne Parizot","submitted_at":"2011-11-07T15:04:42Z","abstract_excerpt":"We study a generic class of models for ultra-high energy cosmic ray (UHECR) phenomenology, in which the sources accelerate protons and nuclei with a power-law spectrum having the same index, but with different values for the maximum proton energies, distributed according to a power-law. We show that, for energies sufficiently lower than the maximum proton energy, such models are equivalent to single-type source models, with a larger effective power law index and a heavier composition at the source. We calculate the resulting enhancement of the abundance of nuclei, and find typical values of a "},"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":"1111.1607","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-11-07T15:04:42Z","cross_cats_sorted":[],"title_canon_sha256":"43961c4f0f3fa1f477248f7c9b1552f1fa234df9cb15e6776ffc3a6c7acdf2c8","abstract_canon_sha256":"7424629b76259a89a16cc9698f9f8c0a642e1f91b2bea00a8511e1ede9ff36ca"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:09:25.705715Z","signature_b64":"ReR65cFmZOOJ8Zra4SoC1OUEeVrC8Xnr/soPGLbep0IUOFlL8nt+JF72gKSAOGkGbIU4i9GZnQl5XZ13Z4wDCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3726fcb18b8d518b42fc7856332e6dbd733324f5b124d2b046a042f00ae8c848","last_reissued_at":"2026-05-18T04:09:25.705236Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:09:25.705236Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Enhancing the Relative Fe-to-Proton Abundance in Ultra-High-Energy Cosmic Rays","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Carl Blaksley, Etienne Parizot","submitted_at":"2011-11-07T15:04:42Z","abstract_excerpt":"We study a generic class of models for ultra-high energy cosmic ray (UHECR) phenomenology, in which the sources accelerate protons and nuclei with a power-law spectrum having the same index, but with different values for the maximum proton energies, distributed according to a power-law. We show that, for energies sufficiently lower than the maximum proton energy, such models are equivalent to single-type source models, with a larger effective power law index and a heavier composition at the source. We calculate the resulting enhancement of the abundance of nuclei, and find typical values of a "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.1607","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1111.1607","created_at":"2026-05-18T04:09:25.705306+00:00"},{"alias_kind":"arxiv_version","alias_value":"1111.1607v1","created_at":"2026-05-18T04:09:25.705306+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.1607","created_at":"2026-05-18T04:09:25.705306+00:00"},{"alias_kind":"pith_short_12","alias_value":"G4TPZMMLRVIY","created_at":"2026-05-18T12:26:28.662955+00:00"},{"alias_kind":"pith_short_16","alias_value":"G4TPZMMLRVIYWQX4","created_at":"2026-05-18T12:26:28.662955+00:00"},{"alias_kind":"pith_short_8","alias_value":"G4TPZMML","created_at":"2026-05-18T12:26:28.662955+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/G4TPZMMLRVIYWQX4PBLDGLTNXV","json":"https://pith.science/pith/G4TPZMMLRVIYWQX4PBLDGLTNXV.json","graph_json":"https://pith.science/api/pith-number/G4TPZMMLRVIYWQX4PBLDGLTNXV/graph.json","events_json":"https://pith.science/api/pith-number/G4TPZMMLRVIYWQX4PBLDGLTNXV/events.json","paper":"https://pith.science/paper/G4TPZMML"},"agent_actions":{"view_html":"https://pith.science/pith/G4TPZMMLRVIYWQX4PBLDGLTNXV","download_json":"https://pith.science/pith/G4TPZMMLRVIYWQX4PBLDGLTNXV.json","view_paper":"https://pith.science/paper/G4TPZMML","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1111.1607&json=true","fetch_graph":"https://pith.science/api/pith-number/G4TPZMMLRVIYWQX4PBLDGLTNXV/graph.json","fetch_events":"https://pith.science/api/pith-number/G4TPZMMLRVIYWQX4PBLDGLTNXV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/G4TPZMMLRVIYWQX4PBLDGLTNXV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/G4TPZMMLRVIYWQX4PBLDGLTNXV/action/storage_attestation","attest_author":"https://pith.science/pith/G4TPZMMLRVIYWQX4PBLDGLTNXV/action/author_attestation","sign_citation":"https://pith.science/pith/G4TPZMMLRVIYWQX4PBLDGLTNXV/action/citation_signature","submit_replication":"https://pith.science/pith/G4TPZMMLRVIYWQX4PBLDGLTNXV/action/replication_record"}},"created_at":"2026-05-18T04:09:25.705306+00:00","updated_at":"2026-05-18T04:09:25.705306+00:00"}