{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:R37BOY4RKXPLB2LDZWPXK4DV66","short_pith_number":"pith:R37BOY4R","schema_version":"1.0","canonical_sha256":"8efe17639155deb0e963cd9f757075f7915482e67b133d0b1e0f17a0bc354923","source":{"kind":"arxiv","id":"1709.01096","version":3},"attestation_state":"computed","paper":{"title":"Two-dimensional Holstein-Hubbard model: Critical temperature, Ising universality, and bipolaron liquid","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn","cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"Manuel Weber, Martin Hohenadler","submitted_at":"2017-09-04T18:04:46Z","abstract_excerpt":"The two-dimensional Holstein-Hubbard model is studied by means of continuous-time quantum Monte Carlo simulations. Using renormalization-group-invariant correlation ratios and finite-size extrapolation, the critical temperature of the charge-density-wave transition is determined as a function of coupling strength, phonon frequency, and Hubbard repulsion. The phase transition is demonstrated to be in the universality class of the two-dimensional Ising model and detectable via the fidelity susceptibility. The structure of the ground-state phase diagram and the possibility of a bipolaronic metal "},"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":"1709.01096","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-09-04T18:04:46Z","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.supr-con"],"title_canon_sha256":"f7844d212a8b123c76e353138afddcb2a90e051c1f9d7586897e8c87447ebedf","abstract_canon_sha256":"ef4a500009bb3582b4966f3560bb7dbf089239779446419e5da302355d25406d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:09:00.469104Z","signature_b64":"VvJmX6wV+1JOqrTjdOkfLFlWLBIhBsd/l0HwCUZ60VQQyF2CIlG8zZ2DmnqUJaveNrgIyNjMPGLMiEU6BmPDBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8efe17639155deb0e963cd9f757075f7915482e67b133d0b1e0f17a0bc354923","last_reissued_at":"2026-05-18T00:09:00.468232Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:09:00.468232Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Two-dimensional Holstein-Hubbard model: Critical temperature, Ising universality, and bipolaron liquid","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn","cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"Manuel Weber, Martin Hohenadler","submitted_at":"2017-09-04T18:04:46Z","abstract_excerpt":"The two-dimensional Holstein-Hubbard model is studied by means of continuous-time quantum Monte Carlo simulations. Using renormalization-group-invariant correlation ratios and finite-size extrapolation, the critical temperature of the charge-density-wave transition is determined as a function of coupling strength, phonon frequency, and Hubbard repulsion. The phase transition is demonstrated to be in the universality class of the two-dimensional Ising model and detectable via the fidelity susceptibility. The structure of the ground-state phase diagram and the possibility of a bipolaronic metal "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.01096","kind":"arxiv","version":3},"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":"1709.01096","created_at":"2026-05-18T00:09:00.468379+00:00"},{"alias_kind":"arxiv_version","alias_value":"1709.01096v3","created_at":"2026-05-18T00:09:00.468379+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.01096","created_at":"2026-05-18T00:09:00.468379+00:00"},{"alias_kind":"pith_short_12","alias_value":"R37BOY4RKXPL","created_at":"2026-05-18T12:31:39.905425+00:00"},{"alias_kind":"pith_short_16","alias_value":"R37BOY4RKXPLB2LD","created_at":"2026-05-18T12:31:39.905425+00:00"},{"alias_kind":"pith_short_8","alias_value":"R37BOY4R","created_at":"2026-05-18T12:31:39.905425+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/R37BOY4RKXPLB2LDZWPXK4DV66","json":"https://pith.science/pith/R37BOY4RKXPLB2LDZWPXK4DV66.json","graph_json":"https://pith.science/api/pith-number/R37BOY4RKXPLB2LDZWPXK4DV66/graph.json","events_json":"https://pith.science/api/pith-number/R37BOY4RKXPLB2LDZWPXK4DV66/events.json","paper":"https://pith.science/paper/R37BOY4R"},"agent_actions":{"view_html":"https://pith.science/pith/R37BOY4RKXPLB2LDZWPXK4DV66","download_json":"https://pith.science/pith/R37BOY4RKXPLB2LDZWPXK4DV66.json","view_paper":"https://pith.science/paper/R37BOY4R","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1709.01096&json=true","fetch_graph":"https://pith.science/api/pith-number/R37BOY4RKXPLB2LDZWPXK4DV66/graph.json","fetch_events":"https://pith.science/api/pith-number/R37BOY4RKXPLB2LDZWPXK4DV66/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/R37BOY4RKXPLB2LDZWPXK4DV66/action/timestamp_anchor","attest_storage":"https://pith.science/pith/R37BOY4RKXPLB2LDZWPXK4DV66/action/storage_attestation","attest_author":"https://pith.science/pith/R37BOY4RKXPLB2LDZWPXK4DV66/action/author_attestation","sign_citation":"https://pith.science/pith/R37BOY4RKXPLB2LDZWPXK4DV66/action/citation_signature","submit_replication":"https://pith.science/pith/R37BOY4RKXPLB2LDZWPXK4DV66/action/replication_record"}},"created_at":"2026-05-18T00:09:00.468379+00:00","updated_at":"2026-05-18T00:09:00.468379+00:00"}