{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:V7LGJHJDKBDYTPKV53YAOJS532","short_pith_number":"pith:V7LGJHJD","schema_version":"1.0","canonical_sha256":"afd6649d23504789bd55eef007265dde9343af9edbb37a4822d7bead3260072f","source":{"kind":"arxiv","id":"0908.2806","version":2},"attestation_state":"computed","paper":{"title":"Turbulence-induced magnetic fields and the structure of Cosmic Ray modified shocks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"A. Beresnyak, A. Lazarian, T. W. Jones","submitted_at":"2009-08-19T20:00:02Z","abstract_excerpt":"We propose a model for Diffusive Shock Acceleration (DSA) in which stochastic magnetic fields in the shock precursor are generated through purely fluid mechanisms of a so-called small-scale dynamo. This contrasts with previous DSA models that considered magnetic fields amplified through cosmic ray streaming instabilities; i.e., either by way of individual particles resonant scattering in the magnetic fields, or by macroscopic electric currents associated with large-scale cosmic ray streaming. Instead, in our picture, the solenoidal velocity perturbations that are required for the dynamo to wor"},"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":"0908.2806","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-08-19T20:00:02Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"309a067683066bbc39ca838f6a55ca97dac599216874f491d94d17ae81738b8d","abstract_canon_sha256":"f46ff66d5b36d8c194304c1c5e73ee974eb9758ec4fda67bffafa8a0644ff040"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:12:25.017720Z","signature_b64":"pQvmdS2rd5IWQpvsxnUvxnbmZjgEJmAeowhBvl2elQA1Ut2JTczvyz0fsgbjncHnMeE0Wj4gtiq3YTDNWri4DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"afd6649d23504789bd55eef007265dde9343af9edbb37a4822d7bead3260072f","last_reissued_at":"2026-05-18T02:12:25.017002Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:12:25.017002Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Turbulence-induced magnetic fields and the structure of Cosmic Ray modified shocks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"A. Beresnyak, A. Lazarian, T. W. Jones","submitted_at":"2009-08-19T20:00:02Z","abstract_excerpt":"We propose a model for Diffusive Shock Acceleration (DSA) in which stochastic magnetic fields in the shock precursor are generated through purely fluid mechanisms of a so-called small-scale dynamo. This contrasts with previous DSA models that considered magnetic fields amplified through cosmic ray streaming instabilities; i.e., either by way of individual particles resonant scattering in the magnetic fields, or by macroscopic electric currents associated with large-scale cosmic ray streaming. Instead, in our picture, the solenoidal velocity perturbations that are required for the dynamo to wor"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.2806","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":"0908.2806","created_at":"2026-05-18T02:12:25.017132+00:00"},{"alias_kind":"arxiv_version","alias_value":"0908.2806v2","created_at":"2026-05-18T02:12:25.017132+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.2806","created_at":"2026-05-18T02:12:25.017132+00:00"},{"alias_kind":"pith_short_12","alias_value":"V7LGJHJDKBDY","created_at":"2026-05-18T12:26:02.257875+00:00"},{"alias_kind":"pith_short_16","alias_value":"V7LGJHJDKBDYTPKV","created_at":"2026-05-18T12:26:02.257875+00:00"},{"alias_kind":"pith_short_8","alias_value":"V7LGJHJD","created_at":"2026-05-18T12:26:02.257875+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/V7LGJHJDKBDYTPKV53YAOJS532","json":"https://pith.science/pith/V7LGJHJDKBDYTPKV53YAOJS532.json","graph_json":"https://pith.science/api/pith-number/V7LGJHJDKBDYTPKV53YAOJS532/graph.json","events_json":"https://pith.science/api/pith-number/V7LGJHJDKBDYTPKV53YAOJS532/events.json","paper":"https://pith.science/paper/V7LGJHJD"},"agent_actions":{"view_html":"https://pith.science/pith/V7LGJHJDKBDYTPKV53YAOJS532","download_json":"https://pith.science/pith/V7LGJHJDKBDYTPKV53YAOJS532.json","view_paper":"https://pith.science/paper/V7LGJHJD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0908.2806&json=true","fetch_graph":"https://pith.science/api/pith-number/V7LGJHJDKBDYTPKV53YAOJS532/graph.json","fetch_events":"https://pith.science/api/pith-number/V7LGJHJDKBDYTPKV53YAOJS532/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/V7LGJHJDKBDYTPKV53YAOJS532/action/timestamp_anchor","attest_storage":"https://pith.science/pith/V7LGJHJDKBDYTPKV53YAOJS532/action/storage_attestation","attest_author":"https://pith.science/pith/V7LGJHJDKBDYTPKV53YAOJS532/action/author_attestation","sign_citation":"https://pith.science/pith/V7LGJHJDKBDYTPKV53YAOJS532/action/citation_signature","submit_replication":"https://pith.science/pith/V7LGJHJDKBDYTPKV53YAOJS532/action/replication_record"}},"created_at":"2026-05-18T02:12:25.017132+00:00","updated_at":"2026-05-18T02:12:25.017132+00:00"}