{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:XZNVH2PYETDTXTAI3KI6B2YTR4","short_pith_number":"pith:XZNVH2PY","schema_version":"1.0","canonical_sha256":"be5b53e9f824c73bcc08da91e0eb138f045e9287f28c8a5f6b9c048e17efcb31","source":{"kind":"arxiv","id":"1512.02679","version":1},"attestation_state":"computed","paper":{"title":"Why Non-equilibrium is Different","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"J. R. Dorfman, J. V. Sengers, T. R. Kirkpatrick","submitted_at":"2015-12-08T22:12:27Z","abstract_excerpt":"The 1970 paper, \"Decay of the Velocity Correlation Function\" [Phys. Rev. A1, 18 (1970), see also Phys. Rev. Lett. 18, 988 (1967)] by Berni Alder and Tom Wainwright, demonstrated, by means of computer simulations, that the velocity autocorrelation function for a particle in a gas of hard disks decays algebraically in time as $t^{-1},$ and as $t^{-3/2}$ for a gas of hard spheres. These decays appear in non-equilibrium fluids and have no counterpart in fluids in thermodynamic equilibrium. The work of Alder and Wainwright stimulated theorists to find explanations for these \"long time tails\" using "},"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":"1512.02679","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2015-12-08T22:12:27Z","cross_cats_sorted":[],"title_canon_sha256":"0244af2dcb9fa4079f2da3536f1be558944669d20f44b3ac0cded3c959030953","abstract_canon_sha256":"f932565f8dc9279c20543531cf4fed68a2672570585025d2bf246e142d8e602b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:24:43.374213Z","signature_b64":"H+m7ccZAfaGgKFnIOz5cNYExictvJ4NEcPSERg2PV1I0neQJOjt6M7aYQBxYREwasEm+aIzgOxyHnNEsiTUZDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"be5b53e9f824c73bcc08da91e0eb138f045e9287f28c8a5f6b9c048e17efcb31","last_reissued_at":"2026-05-18T01:24:43.373824Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:24:43.373824Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Why Non-equilibrium is Different","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"J. R. Dorfman, J. V. Sengers, T. R. Kirkpatrick","submitted_at":"2015-12-08T22:12:27Z","abstract_excerpt":"The 1970 paper, \"Decay of the Velocity Correlation Function\" [Phys. Rev. A1, 18 (1970), see also Phys. Rev. Lett. 18, 988 (1967)] by Berni Alder and Tom Wainwright, demonstrated, by means of computer simulations, that the velocity autocorrelation function for a particle in a gas of hard disks decays algebraically in time as $t^{-1},$ and as $t^{-3/2}$ for a gas of hard spheres. These decays appear in non-equilibrium fluids and have no counterpart in fluids in thermodynamic equilibrium. The work of Alder and Wainwright stimulated theorists to find explanations for these \"long time tails\" using "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.02679","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":"1512.02679","created_at":"2026-05-18T01:24:43.373888+00:00"},{"alias_kind":"arxiv_version","alias_value":"1512.02679v1","created_at":"2026-05-18T01:24:43.373888+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.02679","created_at":"2026-05-18T01:24:43.373888+00:00"},{"alias_kind":"pith_short_12","alias_value":"XZNVH2PYETDT","created_at":"2026-05-18T12:29:50.041715+00:00"},{"alias_kind":"pith_short_16","alias_value":"XZNVH2PYETDTXTAI","created_at":"2026-05-18T12:29:50.041715+00:00"},{"alias_kind":"pith_short_8","alias_value":"XZNVH2PY","created_at":"2026-05-18T12:29:50.041715+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/XZNVH2PYETDTXTAI3KI6B2YTR4","json":"https://pith.science/pith/XZNVH2PYETDTXTAI3KI6B2YTR4.json","graph_json":"https://pith.science/api/pith-number/XZNVH2PYETDTXTAI3KI6B2YTR4/graph.json","events_json":"https://pith.science/api/pith-number/XZNVH2PYETDTXTAI3KI6B2YTR4/events.json","paper":"https://pith.science/paper/XZNVH2PY"},"agent_actions":{"view_html":"https://pith.science/pith/XZNVH2PYETDTXTAI3KI6B2YTR4","download_json":"https://pith.science/pith/XZNVH2PYETDTXTAI3KI6B2YTR4.json","view_paper":"https://pith.science/paper/XZNVH2PY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1512.02679&json=true","fetch_graph":"https://pith.science/api/pith-number/XZNVH2PYETDTXTAI3KI6B2YTR4/graph.json","fetch_events":"https://pith.science/api/pith-number/XZNVH2PYETDTXTAI3KI6B2YTR4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XZNVH2PYETDTXTAI3KI6B2YTR4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XZNVH2PYETDTXTAI3KI6B2YTR4/action/storage_attestation","attest_author":"https://pith.science/pith/XZNVH2PYETDTXTAI3KI6B2YTR4/action/author_attestation","sign_citation":"https://pith.science/pith/XZNVH2PYETDTXTAI3KI6B2YTR4/action/citation_signature","submit_replication":"https://pith.science/pith/XZNVH2PYETDTXTAI3KI6B2YTR4/action/replication_record"}},"created_at":"2026-05-18T01:24:43.373888+00:00","updated_at":"2026-05-18T01:24:43.373888+00:00"}