{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:OL5QQHYB2SYJR7S72SUO3U3U4P","short_pith_number":"pith:OL5QQHYB","schema_version":"1.0","canonical_sha256":"72fb081f01d4b098fe5fd4a8edd374e3cb18594e4f1b995082de40b9c98705e8","source":{"kind":"arxiv","id":"0902.4475","version":2},"attestation_state":"computed","paper":{"title":"Minimally entangled typical quantum states at finite temperature","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.str-el","authors_text":"Steven R. White","submitted_at":"2009-02-25T22:23:00Z","abstract_excerpt":"We introduce a class of states, called minimally entangled typical thermal states (METTS), designed to resemble a typical state of a quantum system at finite temperature with a bias towards classical (minimally entangled) properties. These states reveal in an intuitive way properties such as short-range order which may be hidden in correlation functions. An algorithm is presented which, when used with the density matrix renormalization group (DMRG), is faster by a factor of $10^3 - 10^{10}$ than previous heat-bath approaches for thermally averaged quantities."},"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":"0902.4475","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-02-25T22:23:00Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"808a90926c87ce4752528e977f207c85d1eb4bb058e461ee515240a2967aaf8b","abstract_canon_sha256":"8e6e99fad61b4d47bd32f2664692ec14cf7f9c45cc4aa360ce4d2fb3f84511bd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:24:07.757946Z","signature_b64":"9VimEKYY9g/0xgt0FN4UoKG9IDU+y4xqNn8BF10aGaz97l1mANH3ZHJxvNr91MMWkCeeDs7/3h2T9spgO67uDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"72fb081f01d4b098fe5fd4a8edd374e3cb18594e4f1b995082de40b9c98705e8","last_reissued_at":"2026-05-18T03:24:07.757090Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:24:07.757090Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Minimally entangled typical quantum states at finite temperature","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.str-el","authors_text":"Steven R. White","submitted_at":"2009-02-25T22:23:00Z","abstract_excerpt":"We introduce a class of states, called minimally entangled typical thermal states (METTS), designed to resemble a typical state of a quantum system at finite temperature with a bias towards classical (minimally entangled) properties. These states reveal in an intuitive way properties such as short-range order which may be hidden in correlation functions. An algorithm is presented which, when used with the density matrix renormalization group (DMRG), is faster by a factor of $10^3 - 10^{10}$ than previous heat-bath approaches for thermally averaged quantities."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0902.4475","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":"0902.4475","created_at":"2026-05-18T03:24:07.757219+00:00"},{"alias_kind":"arxiv_version","alias_value":"0902.4475v2","created_at":"2026-05-18T03:24:07.757219+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0902.4475","created_at":"2026-05-18T03:24:07.757219+00:00"},{"alias_kind":"pith_short_12","alias_value":"OL5QQHYB2SYJ","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_16","alias_value":"OL5QQHYB2SYJR7S7","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_8","alias_value":"OL5QQHYB","created_at":"2026-05-18T12:26:01.383474+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/OL5QQHYB2SYJR7S72SUO3U3U4P","json":"https://pith.science/pith/OL5QQHYB2SYJR7S72SUO3U3U4P.json","graph_json":"https://pith.science/api/pith-number/OL5QQHYB2SYJR7S72SUO3U3U4P/graph.json","events_json":"https://pith.science/api/pith-number/OL5QQHYB2SYJR7S72SUO3U3U4P/events.json","paper":"https://pith.science/paper/OL5QQHYB"},"agent_actions":{"view_html":"https://pith.science/pith/OL5QQHYB2SYJR7S72SUO3U3U4P","download_json":"https://pith.science/pith/OL5QQHYB2SYJR7S72SUO3U3U4P.json","view_paper":"https://pith.science/paper/OL5QQHYB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0902.4475&json=true","fetch_graph":"https://pith.science/api/pith-number/OL5QQHYB2SYJR7S72SUO3U3U4P/graph.json","fetch_events":"https://pith.science/api/pith-number/OL5QQHYB2SYJR7S72SUO3U3U4P/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OL5QQHYB2SYJR7S72SUO3U3U4P/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OL5QQHYB2SYJR7S72SUO3U3U4P/action/storage_attestation","attest_author":"https://pith.science/pith/OL5QQHYB2SYJR7S72SUO3U3U4P/action/author_attestation","sign_citation":"https://pith.science/pith/OL5QQHYB2SYJR7S72SUO3U3U4P/action/citation_signature","submit_replication":"https://pith.science/pith/OL5QQHYB2SYJR7S72SUO3U3U4P/action/replication_record"}},"created_at":"2026-05-18T03:24:07.757219+00:00","updated_at":"2026-05-18T03:24:07.757219+00:00"}