{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:U3VHLFIXFLHN2WYPNHSUCXC7RN","short_pith_number":"pith:U3VHLFIX","schema_version":"1.0","canonical_sha256":"a6ea7595172acedd5b0f69e5415c5f8b6172ebda72945e76d8273e922a913c16","source":{"kind":"arxiv","id":"1009.5461","version":2},"attestation_state":"computed","paper":{"title":"Particle acceleration by collisionless shocks containing large-scale magnetic-field variations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR","physics.plasm-ph","physics.space-ph"],"primary_cat":"astro-ph.HE","authors_text":"F. Guo, J. Kota, J. R. Jokipii","submitted_at":"2010-09-28T06:37:54Z","abstract_excerpt":"Diffusive shock acceleration at collisionless shocks is thought to be the source of many of the energetic particles observed in space. Large-scale spatial variations of the magnetic field has been shown to be important in understanding observations. The effects are complex, so here we consider a simple, illustrative model. Here, we solve numerically the Parker transport equation for a shock in the presence of large-scale sinusoidal magnetic-field variations. We demonstrate that the familiar planar-shock results can be significantly altered as a consequence of large-scale, meandering magnetic l"},"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":"1009.5461","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-09-28T06:37:54Z","cross_cats_sorted":["astro-ph.SR","physics.plasm-ph","physics.space-ph"],"title_canon_sha256":"36732c18cd88709347f9c051fd33d9d9fd1ffcc0c566e2590b7bafd623dd00ed","abstract_canon_sha256":"93b51e69836eef5b7bf5228581b02b4a0e486385b9752b78595237b95e2af91c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:16.422529Z","signature_b64":"vDa16qiexDvF6fycDxx+1pEaUoo/ymD1CbYMRHVDlDHHHm7BWmaanLHhNVoaErSQS99Zxgz0tecIeZfVRTl7BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a6ea7595172acedd5b0f69e5415c5f8b6172ebda72945e76d8273e922a913c16","last_reissued_at":"2026-05-18T02:05:16.421860Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:16.421860Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Particle acceleration by collisionless shocks containing large-scale magnetic-field variations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR","physics.plasm-ph","physics.space-ph"],"primary_cat":"astro-ph.HE","authors_text":"F. Guo, J. Kota, J. R. Jokipii","submitted_at":"2010-09-28T06:37:54Z","abstract_excerpt":"Diffusive shock acceleration at collisionless shocks is thought to be the source of many of the energetic particles observed in space. Large-scale spatial variations of the magnetic field has been shown to be important in understanding observations. The effects are complex, so here we consider a simple, illustrative model. Here, we solve numerically the Parker transport equation for a shock in the presence of large-scale sinusoidal magnetic-field variations. We demonstrate that the familiar planar-shock results can be significantly altered as a consequence of large-scale, meandering magnetic l"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.5461","kind":"arxiv","version":2},"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":"1009.5461","created_at":"2026-05-18T02:05:16.421969+00:00"},{"alias_kind":"arxiv_version","alias_value":"1009.5461v2","created_at":"2026-05-18T02:05:16.421969+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.5461","created_at":"2026-05-18T02:05:16.421969+00:00"},{"alias_kind":"pith_short_12","alias_value":"U3VHLFIXFLHN","created_at":"2026-05-18T12:26:15.391820+00:00"},{"alias_kind":"pith_short_16","alias_value":"U3VHLFIXFLHN2WYP","created_at":"2026-05-18T12:26:15.391820+00:00"},{"alias_kind":"pith_short_8","alias_value":"U3VHLFIX","created_at":"2026-05-18T12:26:15.391820+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/U3VHLFIXFLHN2WYPNHSUCXC7RN","json":"https://pith.science/pith/U3VHLFIXFLHN2WYPNHSUCXC7RN.json","graph_json":"https://pith.science/api/pith-number/U3VHLFIXFLHN2WYPNHSUCXC7RN/graph.json","events_json":"https://pith.science/api/pith-number/U3VHLFIXFLHN2WYPNHSUCXC7RN/events.json","paper":"https://pith.science/paper/U3VHLFIX"},"agent_actions":{"view_html":"https://pith.science/pith/U3VHLFIXFLHN2WYPNHSUCXC7RN","download_json":"https://pith.science/pith/U3VHLFIXFLHN2WYPNHSUCXC7RN.json","view_paper":"https://pith.science/paper/U3VHLFIX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1009.5461&json=true","fetch_graph":"https://pith.science/api/pith-number/U3VHLFIXFLHN2WYPNHSUCXC7RN/graph.json","fetch_events":"https://pith.science/api/pith-number/U3VHLFIXFLHN2WYPNHSUCXC7RN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/U3VHLFIXFLHN2WYPNHSUCXC7RN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/U3VHLFIXFLHN2WYPNHSUCXC7RN/action/storage_attestation","attest_author":"https://pith.science/pith/U3VHLFIXFLHN2WYPNHSUCXC7RN/action/author_attestation","sign_citation":"https://pith.science/pith/U3VHLFIXFLHN2WYPNHSUCXC7RN/action/citation_signature","submit_replication":"https://pith.science/pith/U3VHLFIXFLHN2WYPNHSUCXC7RN/action/replication_record"}},"created_at":"2026-05-18T02:05:16.421969+00:00","updated_at":"2026-05-18T02:05:16.421969+00:00"}