{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:OA3TJDLUSKNSTMAGIOQPDJOYQZ","short_pith_number":"pith:OA3TJDLU","schema_version":"1.0","canonical_sha256":"7037348d74929b29b00643a0f1a5d8864d3a5826b4e4f20fd6793b9bac7aaa44","source":{"kind":"arxiv","id":"1806.00025","version":2},"attestation_state":"computed","paper":{"title":"Quantifying memory capacity as a quantum thermodynamic resource","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"quant-ph","authors_text":"Gilad Gour, Jayne Thompson, Jiajun Ma, Mile Gu, Varun Narasimhachar","submitted_at":"2018-05-31T18:00:31Z","abstract_excerpt":"The information-carrying capacity of a memory is known to be a thermodynamic resource facilitating the conversion of heat to work. Szilard's engine explicates this connection through a toy example involving an energy-degenerate two-state memory. We devise a formalism to quantify the thermodynamic value of memory in general quantum systems with nontrivial energy landscapes. Calling this the thermal information capacity, we show that it converges to the non-equilibrium Helmholtz free energy in the thermodynamic limit. We compute the capacity exactly for a general two-state (qubit) memory away fr"},"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":"1806.00025","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-05-31T18:00:31Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"fdb015f8ec06bd4f968140a805a4f1f9085ba9687fe769f64528783e28ecfa26","abstract_canon_sha256":"6f7489813a4df19400b580f212b8698c5b808793d13b993d246fea8ad85a6773"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:59.143023Z","signature_b64":"e7WqB6tys43zyuK0yoJ/Kzxx2S/AbdakHVDF5QJDMV0g/4xEDxPNBGW9M8sYrbKXdAj0wJNHwGxzOF4NMIKbAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7037348d74929b29b00643a0f1a5d8864d3a5826b4e4f20fd6793b9bac7aaa44","last_reissued_at":"2026-05-17T23:52:59.142490Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:59.142490Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantifying memory capacity as a quantum thermodynamic resource","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"quant-ph","authors_text":"Gilad Gour, Jayne Thompson, Jiajun Ma, Mile Gu, Varun Narasimhachar","submitted_at":"2018-05-31T18:00:31Z","abstract_excerpt":"The information-carrying capacity of a memory is known to be a thermodynamic resource facilitating the conversion of heat to work. Szilard's engine explicates this connection through a toy example involving an energy-degenerate two-state memory. We devise a formalism to quantify the thermodynamic value of memory in general quantum systems with nontrivial energy landscapes. Calling this the thermal information capacity, we show that it converges to the non-equilibrium Helmholtz free energy in the thermodynamic limit. We compute the capacity exactly for a general two-state (qubit) memory away fr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.00025","kind":"arxiv","version":2},"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":"1806.00025","created_at":"2026-05-17T23:52:59.142594+00:00"},{"alias_kind":"arxiv_version","alias_value":"1806.00025v2","created_at":"2026-05-17T23:52:59.142594+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.00025","created_at":"2026-05-17T23:52:59.142594+00:00"},{"alias_kind":"pith_short_12","alias_value":"OA3TJDLUSKNS","created_at":"2026-05-18T12:32:43.782077+00:00"},{"alias_kind":"pith_short_16","alias_value":"OA3TJDLUSKNSTMAG","created_at":"2026-05-18T12:32:43.782077+00:00"},{"alias_kind":"pith_short_8","alias_value":"OA3TJDLU","created_at":"2026-05-18T12:32:43.782077+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/OA3TJDLUSKNSTMAGIOQPDJOYQZ","json":"https://pith.science/pith/OA3TJDLUSKNSTMAGIOQPDJOYQZ.json","graph_json":"https://pith.science/api/pith-number/OA3TJDLUSKNSTMAGIOQPDJOYQZ/graph.json","events_json":"https://pith.science/api/pith-number/OA3TJDLUSKNSTMAGIOQPDJOYQZ/events.json","paper":"https://pith.science/paper/OA3TJDLU"},"agent_actions":{"view_html":"https://pith.science/pith/OA3TJDLUSKNSTMAGIOQPDJOYQZ","download_json":"https://pith.science/pith/OA3TJDLUSKNSTMAGIOQPDJOYQZ.json","view_paper":"https://pith.science/paper/OA3TJDLU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1806.00025&json=true","fetch_graph":"https://pith.science/api/pith-number/OA3TJDLUSKNSTMAGIOQPDJOYQZ/graph.json","fetch_events":"https://pith.science/api/pith-number/OA3TJDLUSKNSTMAGIOQPDJOYQZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OA3TJDLUSKNSTMAGIOQPDJOYQZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OA3TJDLUSKNSTMAGIOQPDJOYQZ/action/storage_attestation","attest_author":"https://pith.science/pith/OA3TJDLUSKNSTMAGIOQPDJOYQZ/action/author_attestation","sign_citation":"https://pith.science/pith/OA3TJDLUSKNSTMAGIOQPDJOYQZ/action/citation_signature","submit_replication":"https://pith.science/pith/OA3TJDLUSKNSTMAGIOQPDJOYQZ/action/replication_record"}},"created_at":"2026-05-17T23:52:59.142594+00:00","updated_at":"2026-05-17T23:52:59.142594+00:00"}