{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:3YRB7EFCPGBL6Z236PO3F67LOG","short_pith_number":"pith:3YRB7EFC","schema_version":"1.0","canonical_sha256":"de221f90a27982bf675bf3ddb2fbeb719347a24f6833293503db35b0f90b78ba","source":{"kind":"arxiv","id":"1612.08404","version":1},"attestation_state":"computed","paper":{"title":"Microscopic derivation of the hydrodynamics of active-Brownian-particle suspensions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"cond-mat.stat-mech","authors_text":"Gianmaria Falasco, Klaus Kroy, Stefano Steffenoni","submitted_at":"2016-12-26T15:30:18Z","abstract_excerpt":"We derive the hydrodynamic equations of motion for a fluid of active particles described by under- damped Langevin equations that reduce to the Active-Brownian-Particle model, in the overdamped limit. The contraction into the hydrodynamic description is performed by locally averaging the par- ticle dynamics with the non-equilibrium many-particle probability density, whose formal expression is found in the physically relevant limit of high-friction through a multiple-time-scale analysis. This approach permits to identify the conditions under which self-propulsion can be subsumed into the fluid "},"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":"1612.08404","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-12-26T15:30:18Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"f499ff05b44cb05278bb88098e1e4d02adcece08a663448811da5060cb2b7676","abstract_canon_sha256":"8a41bd6b3d7687ea71f6d53e808b7dcf08fdee65ec78136574a6b92fe65bdbd7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:52.913731Z","signature_b64":"sSSuqWddtMYle/qLQLttZLHmf1RyB3TS0v475xb6q21KJpm8CEG1uT+K95/QiKYVY1B7V4vFUrCIbvdbVknpAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"de221f90a27982bf675bf3ddb2fbeb719347a24f6833293503db35b0f90b78ba","last_reissued_at":"2026-05-18T00:42:52.912776Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:52.912776Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Microscopic derivation of the hydrodynamics of active-Brownian-particle suspensions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"cond-mat.stat-mech","authors_text":"Gianmaria Falasco, Klaus Kroy, Stefano Steffenoni","submitted_at":"2016-12-26T15:30:18Z","abstract_excerpt":"We derive the hydrodynamic equations of motion for a fluid of active particles described by under- damped Langevin equations that reduce to the Active-Brownian-Particle model, in the overdamped limit. The contraction into the hydrodynamic description is performed by locally averaging the par- ticle dynamics with the non-equilibrium many-particle probability density, whose formal expression is found in the physically relevant limit of high-friction through a multiple-time-scale analysis. This approach permits to identify the conditions under which self-propulsion can be subsumed into the fluid "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.08404","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":"1612.08404","created_at":"2026-05-18T00:42:52.912933+00:00"},{"alias_kind":"arxiv_version","alias_value":"1612.08404v1","created_at":"2026-05-18T00:42:52.912933+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.08404","created_at":"2026-05-18T00:42:52.912933+00:00"},{"alias_kind":"pith_short_12","alias_value":"3YRB7EFCPGBL","created_at":"2026-05-18T12:29:58.707656+00:00"},{"alias_kind":"pith_short_16","alias_value":"3YRB7EFCPGBL6Z23","created_at":"2026-05-18T12:29:58.707656+00:00"},{"alias_kind":"pith_short_8","alias_value":"3YRB7EFC","created_at":"2026-05-18T12:29:58.707656+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/3YRB7EFCPGBL6Z236PO3F67LOG","json":"https://pith.science/pith/3YRB7EFCPGBL6Z236PO3F67LOG.json","graph_json":"https://pith.science/api/pith-number/3YRB7EFCPGBL6Z236PO3F67LOG/graph.json","events_json":"https://pith.science/api/pith-number/3YRB7EFCPGBL6Z236PO3F67LOG/events.json","paper":"https://pith.science/paper/3YRB7EFC"},"agent_actions":{"view_html":"https://pith.science/pith/3YRB7EFCPGBL6Z236PO3F67LOG","download_json":"https://pith.science/pith/3YRB7EFCPGBL6Z236PO3F67LOG.json","view_paper":"https://pith.science/paper/3YRB7EFC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1612.08404&json=true","fetch_graph":"https://pith.science/api/pith-number/3YRB7EFCPGBL6Z236PO3F67LOG/graph.json","fetch_events":"https://pith.science/api/pith-number/3YRB7EFCPGBL6Z236PO3F67LOG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3YRB7EFCPGBL6Z236PO3F67LOG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3YRB7EFCPGBL6Z236PO3F67LOG/action/storage_attestation","attest_author":"https://pith.science/pith/3YRB7EFCPGBL6Z236PO3F67LOG/action/author_attestation","sign_citation":"https://pith.science/pith/3YRB7EFCPGBL6Z236PO3F67LOG/action/citation_signature","submit_replication":"https://pith.science/pith/3YRB7EFCPGBL6Z236PO3F67LOG/action/replication_record"}},"created_at":"2026-05-18T00:42:52.912933+00:00","updated_at":"2026-05-18T00:42:52.912933+00:00"}