{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:YMIPLWGV57L6GMRKG567RUBT4L","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":"c886c6546eabc84714890d1328ce3b2e7774d32db5b1fc8cedc62d9b382b94f1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"cond-mat.stat-mech","submitted_at":"2009-11-18T09:42:45Z","title_canon_sha256":"d3cabdb63cb294e561aecc263082b63d3f321e180307cff4ec8d162a9bf86741"},"schema_version":"1.0","source":{"id":"0911.3489","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0911.3489","created_at":"2026-05-18T03:52:15Z"},{"alias_kind":"arxiv_version","alias_value":"0911.3489v1","created_at":"2026-05-18T03:52:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.3489","created_at":"2026-05-18T03:52:15Z"},{"alias_kind":"pith_short_12","alias_value":"YMIPLWGV57L6","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"YMIPLWGV57L6GMRK","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"YMIPLWGV","created_at":"2026-05-18T12:26:02Z"}],"graph_snapshots":[{"event_id":"sha256:29346b29bccaf11da792e99c8d4e74bf865316853c784690704a3ea6db0533a0","target":"graph","created_at":"2026-05-18T03:52:15Z","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":"We give a re-interpretation of an `entropy defect' in the electromagnetic Casimir effect. The electron gas in a perfect crystal is an electromagnetically disordered system whose entropy contains a finite Casimir-like contribution. The Nernst theorem (third law of thermodynamics) is not applicable.","authors_text":"Carsten Henkel, Francesco Intravaia","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"cond-mat.stat-mech","submitted_at":"2009-11-18T09:42:45Z","title":"On the Casimir entropy between 'perfect crystals'"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.3489","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:c79ced6c1dc6d45aa27897ce254114dca66073cc09678cef75f743ac0bd6a6a0","target":"record","created_at":"2026-05-18T03:52:15Z","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":"c886c6546eabc84714890d1328ce3b2e7774d32db5b1fc8cedc62d9b382b94f1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"cond-mat.stat-mech","submitted_at":"2009-11-18T09:42:45Z","title_canon_sha256":"d3cabdb63cb294e561aecc263082b63d3f321e180307cff4ec8d162a9bf86741"},"schema_version":"1.0","source":{"id":"0911.3489","kind":"arxiv","version":1}},"canonical_sha256":"c310f5d8d5efd7e3322a377df8d033e2ef2196743131788ef5b2168fd59155d3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c310f5d8d5efd7e3322a377df8d033e2ef2196743131788ef5b2168fd59155d3","first_computed_at":"2026-05-18T03:52:15.230923Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:52:15.230923Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QvQOxVbUbQR9fm7/E17o9s1Q62g9GyceTQ1hR1tQ/BmqYGgf758s0eRA8aF6rujqVieFVvETlkghLnULBADGCg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:52:15.231602Z","signed_message":"canonical_sha256_bytes"},"source_id":"0911.3489","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c79ced6c1dc6d45aa27897ce254114dca66073cc09678cef75f743ac0bd6a6a0","sha256:29346b29bccaf11da792e99c8d4e74bf865316853c784690704a3ea6db0533a0"],"state_sha256":"1f4bbd4c722f789f0c354be7df702eab52d9cad73f5986aac810106243d3c4f5"}