{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:7MOSKWHAUTYXTSWXFG4XLJWBV6","short_pith_number":"pith:7MOSKWHA","schema_version":"1.0","canonical_sha256":"fb1d2558e0a4f179cad729b975a6c1af803f8a6400d32848afff8482f76a1180","source":{"kind":"arxiv","id":"1707.00485","version":1},"attestation_state":"computed","paper":{"title":"Why is solar cycle 24 an inefficient producer of high-energy particle events?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.space-ph"],"primary_cat":"astro-ph.SR","authors_text":"Alexandr Afanasiev, Allan J. Tylka, Osku Raukunen, Rami Vainio, William F. Dietrich","submitted_at":"2017-07-03T11:34:35Z","abstract_excerpt":"The aim of the study is to investigate the reason for the low productivity of high-energy SEPs in the present solar cycle. We employ scaling laws derived from diffusive shock acceleration theory and simulation studies including proton-generated upstream Alfv\\'en waves to find out how the changes observed in the long-term average properties of the erupting and ambient coronal and/or solar wind plasma would affect the ability of shocks to accelerate particles to the highest energies. Provided that self-generated turbulence dominates particle transport around coronal shocks, it is found that the "},"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":"1707.00485","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-07-03T11:34:35Z","cross_cats_sorted":["physics.space-ph"],"title_canon_sha256":"0f91fde8cefba0fca3e1e6421f9887f9a74733df10a16c2fb59a2f582e877f06","abstract_canon_sha256":"843f21face8ce72d2ee3f4972bbceeaa066c903219830422819854fbcf535d2b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:25.505395Z","signature_b64":"pAw1Ap17UKLd2TxTve1zVKTR14RGUEnngADtY7AxeRd+HokeFXc95M4gV8D1UDVoYXPq3UFiQQlBu0hVD2mkBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fb1d2558e0a4f179cad729b975a6c1af803f8a6400d32848afff8482f76a1180","last_reissued_at":"2026-05-18T00:38:25.504714Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:25.504714Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Why is solar cycle 24 an inefficient producer of high-energy particle events?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.space-ph"],"primary_cat":"astro-ph.SR","authors_text":"Alexandr Afanasiev, Allan J. Tylka, Osku Raukunen, Rami Vainio, William F. Dietrich","submitted_at":"2017-07-03T11:34:35Z","abstract_excerpt":"The aim of the study is to investigate the reason for the low productivity of high-energy SEPs in the present solar cycle. We employ scaling laws derived from diffusive shock acceleration theory and simulation studies including proton-generated upstream Alfv\\'en waves to find out how the changes observed in the long-term average properties of the erupting and ambient coronal and/or solar wind plasma would affect the ability of shocks to accelerate particles to the highest energies. Provided that self-generated turbulence dominates particle transport around coronal shocks, it is found that the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.00485","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":"1707.00485","created_at":"2026-05-18T00:38:25.504820+00:00"},{"alias_kind":"arxiv_version","alias_value":"1707.00485v1","created_at":"2026-05-18T00:38:25.504820+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.00485","created_at":"2026-05-18T00:38:25.504820+00:00"},{"alias_kind":"pith_short_12","alias_value":"7MOSKWHAUTYX","created_at":"2026-05-18T12:31:05.417338+00:00"},{"alias_kind":"pith_short_16","alias_value":"7MOSKWHAUTYXTSWX","created_at":"2026-05-18T12:31:05.417338+00:00"},{"alias_kind":"pith_short_8","alias_value":"7MOSKWHA","created_at":"2026-05-18T12:31:05.417338+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/7MOSKWHAUTYXTSWXFG4XLJWBV6","json":"https://pith.science/pith/7MOSKWHAUTYXTSWXFG4XLJWBV6.json","graph_json":"https://pith.science/api/pith-number/7MOSKWHAUTYXTSWXFG4XLJWBV6/graph.json","events_json":"https://pith.science/api/pith-number/7MOSKWHAUTYXTSWXFG4XLJWBV6/events.json","paper":"https://pith.science/paper/7MOSKWHA"},"agent_actions":{"view_html":"https://pith.science/pith/7MOSKWHAUTYXTSWXFG4XLJWBV6","download_json":"https://pith.science/pith/7MOSKWHAUTYXTSWXFG4XLJWBV6.json","view_paper":"https://pith.science/paper/7MOSKWHA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1707.00485&json=true","fetch_graph":"https://pith.science/api/pith-number/7MOSKWHAUTYXTSWXFG4XLJWBV6/graph.json","fetch_events":"https://pith.science/api/pith-number/7MOSKWHAUTYXTSWXFG4XLJWBV6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7MOSKWHAUTYXTSWXFG4XLJWBV6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7MOSKWHAUTYXTSWXFG4XLJWBV6/action/storage_attestation","attest_author":"https://pith.science/pith/7MOSKWHAUTYXTSWXFG4XLJWBV6/action/author_attestation","sign_citation":"https://pith.science/pith/7MOSKWHAUTYXTSWXFG4XLJWBV6/action/citation_signature","submit_replication":"https://pith.science/pith/7MOSKWHAUTYXTSWXFG4XLJWBV6/action/replication_record"}},"created_at":"2026-05-18T00:38:25.504820+00:00","updated_at":"2026-05-18T00:38:25.504820+00:00"}