{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:SLK2S4U4O5ZURZRDH7UX7QJHTT","short_pith_number":"pith:SLK2S4U4","schema_version":"1.0","canonical_sha256":"92d5a9729c777348e6233fe97fc1279cc664125f9ffa4c8653d49a24ccec6084","source":{"kind":"arxiv","id":"1209.5203","version":1},"attestation_state":"computed","paper":{"title":"Diffusive shock acceleration with magnetic field amplification and Alfvenic drift","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Hyesung Kang (Pusan National University, Korea), Pusan","submitted_at":"2012-09-24T09:11:00Z","abstract_excerpt":"We explore how wave-particle interactions affect diffusive shock acceleration (DSA) at astrophysical shocks by performing time-dependent kinetic simulations, in which phenomenological models for magnetic field amplification (MFA), Alfvenic drift, thermal leakage injection, Bohm-like diffusion, and a free escape boundary are implemented. If the injection fraction of cosmic-ray (CR) particles is greater than 2x10^{-4}, for the shock parameters relevant for young supernova remnants, DSA is efficient enough to develop a significant shock precursor due to CR feedback, and magnetic field can be ampl"},"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":"1209.5203","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-09-24T09:11:00Z","cross_cats_sorted":[],"title_canon_sha256":"21031b5f2554cd10ae48ebe285c8e4e93046cfab8cf9a87db2729b3b71f88e38","abstract_canon_sha256":"3a14b67b596ff64f47428441dabc27208c11e0aa9f48e43db6b2a0094e841a9f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:54:19.640626Z","signature_b64":"Q5F3k/vw/Dw57CGFVomc75acBTL/D4AKR+2RYkFmIePt90zPNkmaMbYbhf43CVuC6r6k2JrQsapsVUV89qMKAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"92d5a9729c777348e6233fe97fc1279cc664125f9ffa4c8653d49a24ccec6084","last_reissued_at":"2026-05-18T01:54:19.639960Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:54:19.639960Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Diffusive shock acceleration with magnetic field amplification and Alfvenic drift","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Hyesung Kang (Pusan National University, Korea), Pusan","submitted_at":"2012-09-24T09:11:00Z","abstract_excerpt":"We explore how wave-particle interactions affect diffusive shock acceleration (DSA) at astrophysical shocks by performing time-dependent kinetic simulations, in which phenomenological models for magnetic field amplification (MFA), Alfvenic drift, thermal leakage injection, Bohm-like diffusion, and a free escape boundary are implemented. If the injection fraction of cosmic-ray (CR) particles is greater than 2x10^{-4}, for the shock parameters relevant for young supernova remnants, DSA is efficient enough to develop a significant shock precursor due to CR feedback, and magnetic field can be ampl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.5203","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":"1209.5203","created_at":"2026-05-18T01:54:19.640055+00:00"},{"alias_kind":"arxiv_version","alias_value":"1209.5203v1","created_at":"2026-05-18T01:54:19.640055+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.5203","created_at":"2026-05-18T01:54:19.640055+00:00"},{"alias_kind":"pith_short_12","alias_value":"SLK2S4U4O5ZU","created_at":"2026-05-18T12:27:20.899486+00:00"},{"alias_kind":"pith_short_16","alias_value":"SLK2S4U4O5ZURZRD","created_at":"2026-05-18T12:27:20.899486+00:00"},{"alias_kind":"pith_short_8","alias_value":"SLK2S4U4","created_at":"2026-05-18T12:27:20.899486+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/SLK2S4U4O5ZURZRDH7UX7QJHTT","json":"https://pith.science/pith/SLK2S4U4O5ZURZRDH7UX7QJHTT.json","graph_json":"https://pith.science/api/pith-number/SLK2S4U4O5ZURZRDH7UX7QJHTT/graph.json","events_json":"https://pith.science/api/pith-number/SLK2S4U4O5ZURZRDH7UX7QJHTT/events.json","paper":"https://pith.science/paper/SLK2S4U4"},"agent_actions":{"view_html":"https://pith.science/pith/SLK2S4U4O5ZURZRDH7UX7QJHTT","download_json":"https://pith.science/pith/SLK2S4U4O5ZURZRDH7UX7QJHTT.json","view_paper":"https://pith.science/paper/SLK2S4U4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1209.5203&json=true","fetch_graph":"https://pith.science/api/pith-number/SLK2S4U4O5ZURZRDH7UX7QJHTT/graph.json","fetch_events":"https://pith.science/api/pith-number/SLK2S4U4O5ZURZRDH7UX7QJHTT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SLK2S4U4O5ZURZRDH7UX7QJHTT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SLK2S4U4O5ZURZRDH7UX7QJHTT/action/storage_attestation","attest_author":"https://pith.science/pith/SLK2S4U4O5ZURZRDH7UX7QJHTT/action/author_attestation","sign_citation":"https://pith.science/pith/SLK2S4U4O5ZURZRDH7UX7QJHTT/action/citation_signature","submit_replication":"https://pith.science/pith/SLK2S4U4O5ZURZRDH7UX7QJHTT/action/replication_record"}},"created_at":"2026-05-18T01:54:19.640055+00:00","updated_at":"2026-05-18T01:54:19.640055+00:00"}