{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:QFMO7IOEODWRS3NYVYBJB2JULE","short_pith_number":"pith:QFMO7IOE","schema_version":"1.0","canonical_sha256":"8158efa1c470ed196db8ae0290e9345936b2f45f40e55a8a3e607c8128ddceee","source":{"kind":"arxiv","id":"0911.3917","version":2},"attestation_state":"computed","paper":{"title":"Random Diffusion Model with Structure Corrections","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"David D. McCowan, Gene F. Mazenko","submitted_at":"2009-11-19T21:15:43Z","abstract_excerpt":"The random diffusion model is a continuum model for a conserved scalar density field driven by diffusive dynamics where the bare diffusion coefficient is density dependent. We generalize the model from one with a sharp wavenumber cutoff to one with a more natural large-wavenumber cutoff. We investigate whether the features seen previously -- namely a slowing down of the system and the development of a prepeak in the dynamic structure factor at a wavenumber below the first structure peak -- survive in this model. A method for extracting information about a hidden prepeak in experimental data is"},"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":"0911.3917","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2009-11-19T21:15:43Z","cross_cats_sorted":[],"title_canon_sha256":"12c1051df3db2ad9abce219457893050908f9108d7f24f979713e62b636f1ae8","abstract_canon_sha256":"20d074050d2b897392b3603f210cdfcbff282b4eb03d611095aa53670d8fb64a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:24:46.180281Z","signature_b64":"CmSiEMyanfhvbpdquR4phx0wC4G7Q2yF/8UtLOWb6o3ygp4aVdXx9C9cFvcvKitywxa/tSi3un8rZF3QdNAfAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8158efa1c470ed196db8ae0290e9345936b2f45f40e55a8a3e607c8128ddceee","last_reissued_at":"2026-05-18T02:24:46.179804Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:24:46.179804Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Random Diffusion Model with Structure Corrections","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"David D. McCowan, Gene F. Mazenko","submitted_at":"2009-11-19T21:15:43Z","abstract_excerpt":"The random diffusion model is a continuum model for a conserved scalar density field driven by diffusive dynamics where the bare diffusion coefficient is density dependent. We generalize the model from one with a sharp wavenumber cutoff to one with a more natural large-wavenumber cutoff. We investigate whether the features seen previously -- namely a slowing down of the system and the development of a prepeak in the dynamic structure factor at a wavenumber below the first structure peak -- survive in this model. A method for extracting information about a hidden prepeak in experimental data is"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.3917","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":"0911.3917","created_at":"2026-05-18T02:24:46.179884+00:00"},{"alias_kind":"arxiv_version","alias_value":"0911.3917v2","created_at":"2026-05-18T02:24:46.179884+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.3917","created_at":"2026-05-18T02:24:46.179884+00:00"},{"alias_kind":"pith_short_12","alias_value":"QFMO7IOEODWR","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_16","alias_value":"QFMO7IOEODWRS3NY","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_8","alias_value":"QFMO7IOE","created_at":"2026-05-18T12:26:01.383474+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/QFMO7IOEODWRS3NYVYBJB2JULE","json":"https://pith.science/pith/QFMO7IOEODWRS3NYVYBJB2JULE.json","graph_json":"https://pith.science/api/pith-number/QFMO7IOEODWRS3NYVYBJB2JULE/graph.json","events_json":"https://pith.science/api/pith-number/QFMO7IOEODWRS3NYVYBJB2JULE/events.json","paper":"https://pith.science/paper/QFMO7IOE"},"agent_actions":{"view_html":"https://pith.science/pith/QFMO7IOEODWRS3NYVYBJB2JULE","download_json":"https://pith.science/pith/QFMO7IOEODWRS3NYVYBJB2JULE.json","view_paper":"https://pith.science/paper/QFMO7IOE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0911.3917&json=true","fetch_graph":"https://pith.science/api/pith-number/QFMO7IOEODWRS3NYVYBJB2JULE/graph.json","fetch_events":"https://pith.science/api/pith-number/QFMO7IOEODWRS3NYVYBJB2JULE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QFMO7IOEODWRS3NYVYBJB2JULE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QFMO7IOEODWRS3NYVYBJB2JULE/action/storage_attestation","attest_author":"https://pith.science/pith/QFMO7IOEODWRS3NYVYBJB2JULE/action/author_attestation","sign_citation":"https://pith.science/pith/QFMO7IOEODWRS3NYVYBJB2JULE/action/citation_signature","submit_replication":"https://pith.science/pith/QFMO7IOEODWRS3NYVYBJB2JULE/action/replication_record"}},"created_at":"2026-05-18T02:24:46.179884+00:00","updated_at":"2026-05-18T02:24:46.179884+00:00"}