{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:EP2NGUSP5HXAF542PB3QOVMN3Z","short_pith_number":"pith:EP2NGUSP","schema_version":"1.0","canonical_sha256":"23f4d3524fe9ee02f79a787707558dde45fea52cab092802070cb7440fbe21ed","source":{"kind":"arxiv","id":"2603.10932","version":2},"attestation_state":"computed","paper":{"title":"Gauge-invariant QMETTS with mutually unbiased physical bases for $Z_2$ lattice gauge theories at finite temperature and density","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-lat"],"primary_cat":"quant-ph","authors_text":"Reita Maeno","submitted_at":"2026-03-11T16:17:10Z","abstract_excerpt":"In quantum computations of gauge theories at finite temperature and finite density, enforcing Gauss's law for all states contributing to the thermal ensemble is a nontrivial challenge. In this work, we adopt the Quantum Minimally Entangled Typical Thermal States (QMETTS) algorithm for $Z_2$ gauge-constrained systems and propose a method for computing finite-temperature and finite-density expectation values without eliminating gauge degrees of freedom. To preserve gauge invariance while maintaining efficient sampling, we introduce measurement bases that are gauge invariant and mutually unbiased"},"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":"2603.10932","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-03-11T16:17:10Z","cross_cats_sorted":["hep-lat"],"title_canon_sha256":"e1269201f73aea9974e6cd0a1e29949c64063f5b48a7dd994ec02872acba8333","abstract_canon_sha256":"cd664d5d427597cdcd8be7107e5c62ee8700c69d26e50381ce5562873c90efa3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T00:05:43.104814Z","signature_b64":"524MivGbvxRG1yj6tI2X0kQ09PJr3HoS81Vvh208RQWBUT1gAHE/Y3gSoYn6tm4vv1dJRliYeMeD+0Kqb9nkCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"23f4d3524fe9ee02f79a787707558dde45fea52cab092802070cb7440fbe21ed","last_reissued_at":"2026-05-20T00:05:43.104278Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T00:05:43.104278Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Gauge-invariant QMETTS with mutually unbiased physical bases for $Z_2$ lattice gauge theories at finite temperature and density","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-lat"],"primary_cat":"quant-ph","authors_text":"Reita Maeno","submitted_at":"2026-03-11T16:17:10Z","abstract_excerpt":"In quantum computations of gauge theories at finite temperature and finite density, enforcing Gauss's law for all states contributing to the thermal ensemble is a nontrivial challenge. In this work, we adopt the Quantum Minimally Entangled Typical Thermal States (QMETTS) algorithm for $Z_2$ gauge-constrained systems and propose a method for computing finite-temperature and finite-density expectation values without eliminating gauge degrees of freedom. To preserve gauge invariance while maintaining efficient sampling, we introduce measurement bases that are gauge invariant and mutually unbiased"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2603.10932","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2603.10932/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2603.10932","created_at":"2026-05-20T00:05:43.104366+00:00"},{"alias_kind":"arxiv_version","alias_value":"2603.10932v2","created_at":"2026-05-20T00:05:43.104366+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2603.10932","created_at":"2026-05-20T00:05:43.104366+00:00"},{"alias_kind":"pith_short_12","alias_value":"EP2NGUSP5HXA","created_at":"2026-05-20T00:05:43.104366+00:00"},{"alias_kind":"pith_short_16","alias_value":"EP2NGUSP5HXAF542","created_at":"2026-05-20T00:05:43.104366+00:00"},{"alias_kind":"pith_short_8","alias_value":"EP2NGUSP","created_at":"2026-05-20T00:05:43.104366+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2604.17874","citing_title":"Ground state preparation in $(2+1)$-dimensional pure $\\mathbb{Z}_2$ lattice gauge theory via deterministic quantum imaginary time evolution","ref_index":28,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/EP2NGUSP5HXAF542PB3QOVMN3Z","json":"https://pith.science/pith/EP2NGUSP5HXAF542PB3QOVMN3Z.json","graph_json":"https://pith.science/api/pith-number/EP2NGUSP5HXAF542PB3QOVMN3Z/graph.json","events_json":"https://pith.science/api/pith-number/EP2NGUSP5HXAF542PB3QOVMN3Z/events.json","paper":"https://pith.science/paper/EP2NGUSP"},"agent_actions":{"view_html":"https://pith.science/pith/EP2NGUSP5HXAF542PB3QOVMN3Z","download_json":"https://pith.science/pith/EP2NGUSP5HXAF542PB3QOVMN3Z.json","view_paper":"https://pith.science/paper/EP2NGUSP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2603.10932&json=true","fetch_graph":"https://pith.science/api/pith-number/EP2NGUSP5HXAF542PB3QOVMN3Z/graph.json","fetch_events":"https://pith.science/api/pith-number/EP2NGUSP5HXAF542PB3QOVMN3Z/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EP2NGUSP5HXAF542PB3QOVMN3Z/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EP2NGUSP5HXAF542PB3QOVMN3Z/action/storage_attestation","attest_author":"https://pith.science/pith/EP2NGUSP5HXAF542PB3QOVMN3Z/action/author_attestation","sign_citation":"https://pith.science/pith/EP2NGUSP5HXAF542PB3QOVMN3Z/action/citation_signature","submit_replication":"https://pith.science/pith/EP2NGUSP5HXAF542PB3QOVMN3Z/action/replication_record"}},"created_at":"2026-05-20T00:05:43.104366+00:00","updated_at":"2026-05-20T00:05:43.104366+00:00"}