{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:7KTSD3BF5EZSQWHHBQPXVEEGIW","short_pith_number":"pith:7KTSD3BF","schema_version":"1.0","canonical_sha256":"faa721ec25e9332858e70c1f7a908645bc34c736fe4a68052b864b17a17099b5","source":{"kind":"arxiv","id":"1809.10552","version":1},"attestation_state":"computed","paper":{"title":"A Mechanical Approach to One-Dimensional Interacting Gas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.class-ph"],"primary_cat":"cond-mat.stat-mech","authors_text":"Chung-Yang Wang, Yih-Yuh Chen","submitted_at":"2018-09-26T02:32:21Z","abstract_excerpt":"Traditional derivations of the van der Waals equation typically use standard recipes involving ensemble averages of statistical mechanics. In this work, we study a box of weakly interacting gas particles in one-dimension from a purely mechanical point of view. This has the merit that it not only reproduces the van der Waals equation but also tells us some extra interesting physics not immediately clear from a pure statistical mechanical approach. For example, we find that the traditional handwaving interpretation of the van der Waals equation adopting mean field approximation is actually incor"},"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":"1809.10552","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2018-09-26T02:32:21Z","cross_cats_sorted":["physics.class-ph"],"title_canon_sha256":"aed761c05e9c4775f5f5d37363d168962be0150b957436bf36f102f4424072dc","abstract_canon_sha256":"7c0383a6e4106a71227df6a29da27ae89f3984c7b72c36442af7477a99647b3b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:04:38.113195Z","signature_b64":"rTyYaZKJZJPAW8brdqYeJv6AoCt7LSqdGdERO8bIbVUPYDCkE+R+vD1xZVUmLAQ9AdEppUAzNpcloFzyl82PCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"faa721ec25e9332858e70c1f7a908645bc34c736fe4a68052b864b17a17099b5","last_reissued_at":"2026-05-18T00:04:38.112777Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:04:38.112777Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Mechanical Approach to One-Dimensional Interacting Gas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.class-ph"],"primary_cat":"cond-mat.stat-mech","authors_text":"Chung-Yang Wang, Yih-Yuh Chen","submitted_at":"2018-09-26T02:32:21Z","abstract_excerpt":"Traditional derivations of the van der Waals equation typically use standard recipes involving ensemble averages of statistical mechanics. In this work, we study a box of weakly interacting gas particles in one-dimension from a purely mechanical point of view. This has the merit that it not only reproduces the van der Waals equation but also tells us some extra interesting physics not immediately clear from a pure statistical mechanical approach. For example, we find that the traditional handwaving interpretation of the van der Waals equation adopting mean field approximation is actually incor"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.10552","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":"1809.10552","created_at":"2026-05-18T00:04:38.112836+00:00"},{"alias_kind":"arxiv_version","alias_value":"1809.10552v1","created_at":"2026-05-18T00:04:38.112836+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.10552","created_at":"2026-05-18T00:04:38.112836+00:00"},{"alias_kind":"pith_short_12","alias_value":"7KTSD3BF5EZS","created_at":"2026-05-18T12:32:11.075285+00:00"},{"alias_kind":"pith_short_16","alias_value":"7KTSD3BF5EZSQWHH","created_at":"2026-05-18T12:32:11.075285+00:00"},{"alias_kind":"pith_short_8","alias_value":"7KTSD3BF","created_at":"2026-05-18T12:32:11.075285+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/7KTSD3BF5EZSQWHHBQPXVEEGIW","json":"https://pith.science/pith/7KTSD3BF5EZSQWHHBQPXVEEGIW.json","graph_json":"https://pith.science/api/pith-number/7KTSD3BF5EZSQWHHBQPXVEEGIW/graph.json","events_json":"https://pith.science/api/pith-number/7KTSD3BF5EZSQWHHBQPXVEEGIW/events.json","paper":"https://pith.science/paper/7KTSD3BF"},"agent_actions":{"view_html":"https://pith.science/pith/7KTSD3BF5EZSQWHHBQPXVEEGIW","download_json":"https://pith.science/pith/7KTSD3BF5EZSQWHHBQPXVEEGIW.json","view_paper":"https://pith.science/paper/7KTSD3BF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1809.10552&json=true","fetch_graph":"https://pith.science/api/pith-number/7KTSD3BF5EZSQWHHBQPXVEEGIW/graph.json","fetch_events":"https://pith.science/api/pith-number/7KTSD3BF5EZSQWHHBQPXVEEGIW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7KTSD3BF5EZSQWHHBQPXVEEGIW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7KTSD3BF5EZSQWHHBQPXVEEGIW/action/storage_attestation","attest_author":"https://pith.science/pith/7KTSD3BF5EZSQWHHBQPXVEEGIW/action/author_attestation","sign_citation":"https://pith.science/pith/7KTSD3BF5EZSQWHHBQPXVEEGIW/action/citation_signature","submit_replication":"https://pith.science/pith/7KTSD3BF5EZSQWHHBQPXVEEGIW/action/replication_record"}},"created_at":"2026-05-18T00:04:38.112836+00:00","updated_at":"2026-05-18T00:04:38.112836+00:00"}