{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:QIZPMDAPQAN7WDWMBBUKU6RK4B","short_pith_number":"pith:QIZPMDAP","schema_version":"1.0","canonical_sha256":"8232f60c0f801bfb0ecc0868aa7a2ae065b28f9d7f33b70458842d2e48d90365","source":{"kind":"arxiv","id":"1806.01574","version":1},"attestation_state":"computed","paper":{"title":"Hydrodynamics of granular particles on a line","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.soft","authors_text":"A. Baldassarri, A. Prados, A. Puglisi","submitted_at":"2018-06-05T09:24:13Z","abstract_excerpt":"We investigate a lattice model representing a granular gas in a thin channel. We deduce the hydrodynamic description for the model from the microscopic dynamics in the large system limit, including the lowest finite-size corrections. The main prediction from hydrodynamics, when finite-size corrections are neglected, is the existence of a steady \"uniform longitudinal flow\" (ULF), with the granular temperature and the velocity gradient both uniform and directly related. Extensive numerical simulations of the system show that such a state can be observed in the bulk of a finite-size system by att"},"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":"1806.01574","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-06-05T09:24:13Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"33bb6915cc6c8527685eed5f456f4fabf788b6f0fcc6ed1b54b64fee4034431e","abstract_canon_sha256":"d6ed7b1d42d8e83ede78ff255df1edc671bd0ea15934930265f26ee30b168ff0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:13:03.919352Z","signature_b64":"6NPa2qVuuzRx+BiufH7hOdoJi+XbqyPEuXsYvNWoHRaJWhe/JLwhISS5znMNZoLsxXNnz6kXkGF2/l4ZurEpAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8232f60c0f801bfb0ecc0868aa7a2ae065b28f9d7f33b70458842d2e48d90365","last_reissued_at":"2026-05-18T00:13:03.918779Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:13:03.918779Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Hydrodynamics of granular particles on a line","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.soft","authors_text":"A. Baldassarri, A. Prados, A. Puglisi","submitted_at":"2018-06-05T09:24:13Z","abstract_excerpt":"We investigate a lattice model representing a granular gas in a thin channel. We deduce the hydrodynamic description for the model from the microscopic dynamics in the large system limit, including the lowest finite-size corrections. The main prediction from hydrodynamics, when finite-size corrections are neglected, is the existence of a steady \"uniform longitudinal flow\" (ULF), with the granular temperature and the velocity gradient both uniform and directly related. Extensive numerical simulations of the system show that such a state can be observed in the bulk of a finite-size system by att"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.01574","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":"1806.01574","created_at":"2026-05-18T00:13:03.918853+00:00"},{"alias_kind":"arxiv_version","alias_value":"1806.01574v1","created_at":"2026-05-18T00:13:03.918853+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.01574","created_at":"2026-05-18T00:13:03.918853+00:00"},{"alias_kind":"pith_short_12","alias_value":"QIZPMDAPQAN7","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_16","alias_value":"QIZPMDAPQAN7WDWM","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_8","alias_value":"QIZPMDAP","created_at":"2026-05-18T12:32:46.962924+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/QIZPMDAPQAN7WDWMBBUKU6RK4B","json":"https://pith.science/pith/QIZPMDAPQAN7WDWMBBUKU6RK4B.json","graph_json":"https://pith.science/api/pith-number/QIZPMDAPQAN7WDWMBBUKU6RK4B/graph.json","events_json":"https://pith.science/api/pith-number/QIZPMDAPQAN7WDWMBBUKU6RK4B/events.json","paper":"https://pith.science/paper/QIZPMDAP"},"agent_actions":{"view_html":"https://pith.science/pith/QIZPMDAPQAN7WDWMBBUKU6RK4B","download_json":"https://pith.science/pith/QIZPMDAPQAN7WDWMBBUKU6RK4B.json","view_paper":"https://pith.science/paper/QIZPMDAP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1806.01574&json=true","fetch_graph":"https://pith.science/api/pith-number/QIZPMDAPQAN7WDWMBBUKU6RK4B/graph.json","fetch_events":"https://pith.science/api/pith-number/QIZPMDAPQAN7WDWMBBUKU6RK4B/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QIZPMDAPQAN7WDWMBBUKU6RK4B/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QIZPMDAPQAN7WDWMBBUKU6RK4B/action/storage_attestation","attest_author":"https://pith.science/pith/QIZPMDAPQAN7WDWMBBUKU6RK4B/action/author_attestation","sign_citation":"https://pith.science/pith/QIZPMDAPQAN7WDWMBBUKU6RK4B/action/citation_signature","submit_replication":"https://pith.science/pith/QIZPMDAPQAN7WDWMBBUKU6RK4B/action/replication_record"}},"created_at":"2026-05-18T00:13:03.918853+00:00","updated_at":"2026-05-18T00:13:03.918853+00:00"}