{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:O4EPKD65M7OXGXAIZH6I6ILFH6","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":"30dad59e2898890d1359989911b405a6aac45389a1f1b5a86267540061c50784","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2018-11-09T19:31:06Z","title_canon_sha256":"305fbbc95e0611bb1735529ead03e9701f6e8249b340b7e18214b22814f7789a"},"schema_version":"1.0","source":{"id":"1811.04111","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.04111","created_at":"2026-05-17T23:55:43Z"},{"alias_kind":"arxiv_version","alias_value":"1811.04111v1","created_at":"2026-05-17T23:55:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.04111","created_at":"2026-05-17T23:55:43Z"},{"alias_kind":"pith_short_12","alias_value":"O4EPKD65M7OX","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"O4EPKD65M7OXGXAI","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"O4EPKD65","created_at":"2026-05-18T12:32:40Z"}],"graph_snapshots":[{"event_id":"sha256:7d4cd94d67e16ade9926eef4d4ceb770cae5eca51e351a93a14867a642cfe594","target":"graph","created_at":"2026-05-17T23:55:43Z","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 investigate the role of a transverse field on the Ising square antiferromagnet with first-($J_1$) and second-($J_2$) neighbor interactions. Using a cluster mean-field approach, we provide a telltale characterization of the frustration effects on the phase boundaries and entropy accumulation process emerging from the interplay between quantum and thermal fluctuations. We found that the paramagnetic (PM) and antiferromagnetic phases are separated by continuous phase transitions. On the other hand, continuous and discontinuous phase transitions, as well as tricriticality, are observed in the p","authors_text":"F. M. Zimmer, M. Schmidt, N. Kellermann","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2018-11-09T19:31:06Z","title":"Quantum Ising model on the frustrated square lattice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.04111","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":"sha256:4bac94d5d415e3443124329a8aee0167f3bb8c40e5c0962cac433134d5e47f12","target":"record","created_at":"2026-05-17T23:55:43Z","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":"30dad59e2898890d1359989911b405a6aac45389a1f1b5a86267540061c50784","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2018-11-09T19:31:06Z","title_canon_sha256":"305fbbc95e0611bb1735529ead03e9701f6e8249b340b7e18214b22814f7789a"},"schema_version":"1.0","source":{"id":"1811.04111","kind":"arxiv","version":1}},"canonical_sha256":"7708f50fdd67dd735c08c9fc8f21653f8ddda86f460e76dac4e25150d26da9dc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7708f50fdd67dd735c08c9fc8f21653f8ddda86f460e76dac4e25150d26da9dc","first_computed_at":"2026-05-17T23:55:43.770237Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:43.770237Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2/Zp8ogEtroAZ5Lcp0+r38xwNoFX0DXmJ4s/scpN9oF7+d9IyRYg4+vqdE1JhZEEoPgMnKc1fR3er0HRcTxBCQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:43.770938Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.04111","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4bac94d5d415e3443124329a8aee0167f3bb8c40e5c0962cac433134d5e47f12","sha256:7d4cd94d67e16ade9926eef4d4ceb770cae5eca51e351a93a14867a642cfe594"],"state_sha256":"3b1f3f3db99a2d9161ff26faffb203f6f7fff0240ff2a9a2b36ea8a8031865de"}