{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:PNWRFKPOTNIVIV7X6SIOVLNGOZ","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":"7e7ac2ae398e39cb7e85f8b9afec286326b5a96b0e9b891919205cf5135d4cac","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2002-03-20T15:55:11Z","title_canon_sha256":"166bc471ab0d4eb24225b717b335c30f16da6c3583b33205806818faeaaeae62"},"schema_version":"1.0","source":{"id":"cond-mat/0203413","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0203413","created_at":"2026-05-18T00:37:17Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0203413v1","created_at":"2026-05-18T00:37:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0203413","created_at":"2026-05-18T00:37:17Z"},{"alias_kind":"pith_short_12","alias_value":"PNWRFKPOTNIV","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"PNWRFKPOTNIVIV7X","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"PNWRFKPO","created_at":"2026-05-18T12:25:51Z"}],"graph_snapshots":[{"event_id":"sha256:b5139d3272640c0dba950272b9ec4eea2ad49c07a2a92e11eb415e91b2547d13","target":"graph","created_at":"2026-05-18T00:37:17Z","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":"An algebraic model based on Lie-algebraic and discrete symmetry techniques is applied to the analysis of thermodynamic vibrational properties of molecules. The local anharmonic effects are described by a Morse-like potential and the corresponding anharmonic bosons are associated with the SU(2) algebra. A vibrational high-temperature partition function and the related thermodynamic functions are derived and studied in terms of the parameters of the model. The idea of a critical temperature is introduced in relation with the specific heat. A physical interpretation of a quantum deformation assoc","authors_text":"A. Frank, Maia Angelova","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2002-03-20T15:55:11Z","title":"Algebraic Approach to Molecular thermodynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0203413","kind":"arxiv","version":1},"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":"sha256:6fd3ac3f7147d8b5ba775f4f10e8d40ec43106a551db9da07e4b1784d9371269","target":"record","created_at":"2026-05-18T00:37:17Z","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":"7e7ac2ae398e39cb7e85f8b9afec286326b5a96b0e9b891919205cf5135d4cac","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2002-03-20T15:55:11Z","title_canon_sha256":"166bc471ab0d4eb24225b717b335c30f16da6c3583b33205806818faeaaeae62"},"schema_version":"1.0","source":{"id":"cond-mat/0203413","kind":"arxiv","version":1}},"canonical_sha256":"7b6d12a9ee9b515457f7f490eaada67661d7f2e6526d7759b6da7d3a7b267eb5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7b6d12a9ee9b515457f7f490eaada67661d7f2e6526d7759b6da7d3a7b267eb5","first_computed_at":"2026-05-18T00:37:17.181264Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:37:17.181264Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OJM8a3fpLU/VfbAz09taJLrtNY6TQCt+CgF3XVFlfmStsnrfDN6SjCEPoJR/WDVk6GIY0hx+DzLB1KgkHGRkAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:37:17.181838Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0203413","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6fd3ac3f7147d8b5ba775f4f10e8d40ec43106a551db9da07e4b1784d9371269","sha256:b5139d3272640c0dba950272b9ec4eea2ad49c07a2a92e11eb415e91b2547d13"],"state_sha256":"fb16e89c6c3205568790d5f0d7e685bd811717d281f208e63a425f0659ff19e1"}