{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:GYSWEA4XKXFQ4FNGPMXJQKCKFK","short_pith_number":"pith:GYSWEA4X","schema_version":"1.0","canonical_sha256":"362562039755cb0e15a67b2e98284a2a8ec40fb3c51df748be38b4745ca59aec","source":{"kind":"arxiv","id":"0903.3062","version":2},"attestation_state":"computed","paper":{"title":"Nonresonant Grain Acceleration in MHD Turbulence","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Huirong Yan","submitted_at":"2009-03-17T22:46:29Z","abstract_excerpt":"We discuss a new type of dust acceleration mechanism that acts in a turbulent magnetized medium. The magnetohydrodynamic (MHD) turbulence can accelerate grains through resonant as well as nonresonant interactions. We show that the magnetic compression provides higher velocities for super-Alfvenic turbulence and can accelerate an extended range of grains in warm media compared to gyroresonance. While fast modes dominate the acceleration for the large grains, slow modes can be important for sub-micron grains. We provide comprehensive discussion of all the possible grain acceleration mechanisms i"},"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":"0903.3062","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-03-17T22:46:29Z","cross_cats_sorted":[],"title_canon_sha256":"7984dad0a77c9e495569f021ea6b2a3eb0286f14883d43ddde22505cdd169da6","abstract_canon_sha256":"53808ea0f1cfc8997f181bf592073e38ab5d5a2f3da87eb10a215255b26c6393"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:14:27.691940Z","signature_b64":"uVOLzFnkcMCpo63x3Pkbm/JznXB112qcxQUpPr+LQEEW1/uKoaGyGOaZmAY2NqNbAGdeWcOgN4IdGYufFQcBBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"362562039755cb0e15a67b2e98284a2a8ec40fb3c51df748be38b4745ca59aec","last_reissued_at":"2026-05-18T02:14:27.691337Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:14:27.691337Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nonresonant Grain Acceleration in MHD Turbulence","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Huirong Yan","submitted_at":"2009-03-17T22:46:29Z","abstract_excerpt":"We discuss a new type of dust acceleration mechanism that acts in a turbulent magnetized medium. The magnetohydrodynamic (MHD) turbulence can accelerate grains through resonant as well as nonresonant interactions. We show that the magnetic compression provides higher velocities for super-Alfvenic turbulence and can accelerate an extended range of grains in warm media compared to gyroresonance. While fast modes dominate the acceleration for the large grains, slow modes can be important for sub-micron grains. We provide comprehensive discussion of all the possible grain acceleration mechanisms i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0903.3062","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":"0903.3062","created_at":"2026-05-18T02:14:27.691409+00:00"},{"alias_kind":"arxiv_version","alias_value":"0903.3062v2","created_at":"2026-05-18T02:14:27.691409+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0903.3062","created_at":"2026-05-18T02:14:27.691409+00:00"},{"alias_kind":"pith_short_12","alias_value":"GYSWEA4XKXFQ","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_16","alias_value":"GYSWEA4XKXFQ4FNG","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_8","alias_value":"GYSWEA4X","created_at":"2026-05-18T12:25:59.703012+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/GYSWEA4XKXFQ4FNGPMXJQKCKFK","json":"https://pith.science/pith/GYSWEA4XKXFQ4FNGPMXJQKCKFK.json","graph_json":"https://pith.science/api/pith-number/GYSWEA4XKXFQ4FNGPMXJQKCKFK/graph.json","events_json":"https://pith.science/api/pith-number/GYSWEA4XKXFQ4FNGPMXJQKCKFK/events.json","paper":"https://pith.science/paper/GYSWEA4X"},"agent_actions":{"view_html":"https://pith.science/pith/GYSWEA4XKXFQ4FNGPMXJQKCKFK","download_json":"https://pith.science/pith/GYSWEA4XKXFQ4FNGPMXJQKCKFK.json","view_paper":"https://pith.science/paper/GYSWEA4X","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0903.3062&json=true","fetch_graph":"https://pith.science/api/pith-number/GYSWEA4XKXFQ4FNGPMXJQKCKFK/graph.json","fetch_events":"https://pith.science/api/pith-number/GYSWEA4XKXFQ4FNGPMXJQKCKFK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GYSWEA4XKXFQ4FNGPMXJQKCKFK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GYSWEA4XKXFQ4FNGPMXJQKCKFK/action/storage_attestation","attest_author":"https://pith.science/pith/GYSWEA4XKXFQ4FNGPMXJQKCKFK/action/author_attestation","sign_citation":"https://pith.science/pith/GYSWEA4XKXFQ4FNGPMXJQKCKFK/action/citation_signature","submit_replication":"https://pith.science/pith/GYSWEA4XKXFQ4FNGPMXJQKCKFK/action/replication_record"}},"created_at":"2026-05-18T02:14:27.691409+00:00","updated_at":"2026-05-18T02:14:27.691409+00:00"}