{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:K2FYBCMRAOFEJKRWSKIVUG2JU2","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"76a9a5864f22ad7234f07a6d55a00a2b6d4e1811ab5ef196fba557a4d7314972","cross_cats_sorted":["cond-mat.mtrl-sci","physics.comp-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2018-05-14T11:31:54Z","title_canon_sha256":"7b21a609ed3fcc35e44eb9f559c1cf19fe2fe33e7d0e72341054fbdda9a385c3"},"schema_version":"1.0","source":{"id":"1805.05803","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.05803","created_at":"2026-05-17T23:52:53Z"},{"alias_kind":"arxiv_version","alias_value":"1805.05803v2","created_at":"2026-05-17T23:52:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.05803","created_at":"2026-05-17T23:52:53Z"},{"alias_kind":"pith_short_12","alias_value":"K2FYBCMRAOFE","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"K2FYBCMRAOFEJKRW","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"K2FYBCMR","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:cfa064748d77c26a68dfed6835ffebbcfc6f25c64365ba47919d76ddc673ffee","target":"graph","created_at":"2026-05-17T23:52:53Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"A novel approach based on dynamic thermal vibration is proposed to calculate the heat capacity and thermal expansion coefficient (TEC) for metal crystalline materials from 0K to the melting point. The motion of metal atomic clusters is decomposed into structural deformation and thermal vibration. Then thermal vibration equations are established by the fourth-order Taylor expansion of Hamiltonian at the transient structural deformation position $\\bar{\\mathbf{x}}$. As a result, the thermal vibration frequencies dynamically change with the structural deformation positions and temperatures. A para","authors_text":"Jieqiong Zhang, JunZhi Cui, Liang Ma, Yifan Yu, Zihao Yang","cross_cats":["cond-mat.mtrl-sci","physics.comp-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2018-05-14T11:31:54Z","title":"Heat capacity and thermal expansion of metal crystalline materials based on dynamic thermal vibration"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.05803","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:6f747323e877a6f9998fc2eacf2a73e2dcba14664ff30e7229beacecb6981588","target":"record","created_at":"2026-05-17T23:52:53Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"76a9a5864f22ad7234f07a6d55a00a2b6d4e1811ab5ef196fba557a4d7314972","cross_cats_sorted":["cond-mat.mtrl-sci","physics.comp-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2018-05-14T11:31:54Z","title_canon_sha256":"7b21a609ed3fcc35e44eb9f559c1cf19fe2fe33e7d0e72341054fbdda9a385c3"},"schema_version":"1.0","source":{"id":"1805.05803","kind":"arxiv","version":2}},"canonical_sha256":"568b808991038a44aa3692915a1b49a6874a57554471b08409aa846ce4dce876","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"568b808991038a44aa3692915a1b49a6874a57554471b08409aa846ce4dce876","first_computed_at":"2026-05-17T23:52:53.095278Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:52:53.095278Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"st6HP7KeQGNa4YhY8mwuOEvbLvn/yAMvq2aRKiK8r3ANgbXIJJo3HZVmetsBG4rP9roKlFTIVKai2OEkdlOSBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:52:53.096054Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.05803","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6f747323e877a6f9998fc2eacf2a73e2dcba14664ff30e7229beacecb6981588","sha256:cfa064748d77c26a68dfed6835ffebbcfc6f25c64365ba47919d76ddc673ffee"],"state_sha256":"001ffe346a476c60e72c2d2484eedf646edd03b8b8bb9eaf85fa5e2154d59f87"}