{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:LDVUTZX5VQ3EWODLTB5GGT4OP2","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":"a0bd769420bb34e7fe2189c194677b298fcad59ea7226900df1e095e42cf12ef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-08-21T13:37:47Z","title_canon_sha256":"faf1b1c97bd80f7be7a8fc65b6a1ae1bef6a46a019701e400aab4bc257b95b2c"},"schema_version":"1.0","source":{"id":"1308.4573","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.4573","created_at":"2026-05-18T03:02:57Z"},{"alias_kind":"arxiv_version","alias_value":"1308.4573v2","created_at":"2026-05-18T03:02:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.4573","created_at":"2026-05-18T03:02:57Z"},{"alias_kind":"pith_short_12","alias_value":"LDVUTZX5VQ3E","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"LDVUTZX5VQ3EWODL","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"LDVUTZX5","created_at":"2026-05-18T12:27:51Z"}],"graph_snapshots":[{"event_id":"sha256:0cb5b19124b8fcfeefb4189f7c59ded1d3aa3e3160686f5c7e0072491f05da7e","target":"graph","created_at":"2026-05-18T03:02:57Z","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":"Using the coupled cluster method (CCM) we study the full (zero-temperature) ground-state (GS) phase diagram of a spin-half ($s=1/2$) $J_{1}$-$J_{2}$ Heisenberg model on a cross-striped square lattice. Each site of the square lattice has 4 nearest-neighbour exchange bonds of strength $J_{1}$ and 2 next-nearest-neighbour (diagonal) bonds of strength $J_{2}$. The $J_{2}$ bonds are arranged so that the basic square plaquettes in alternating columns have either both or no $J_{2}$ bonds included. The classical ($s \\rightarrow \\infty$) version of the model has 4 collinear phases when $J_{1}$ and $J_{","authors_text":"C. E. Campbell, P. H. Y. Li, R. F. Bishop","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-08-21T13:37:47Z","title":"Spin-1/2 $J_{1}$-$J_{2}$ Heisenberg model on a cross-striped square lattice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.4573","kind":"arxiv","version":2},"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:c7e062e9d4f8a63e76e266529f8cddfd46f818b2540e8eb66a001719f0f713d4","target":"record","created_at":"2026-05-18T03:02:57Z","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":"a0bd769420bb34e7fe2189c194677b298fcad59ea7226900df1e095e42cf12ef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-08-21T13:37:47Z","title_canon_sha256":"faf1b1c97bd80f7be7a8fc65b6a1ae1bef6a46a019701e400aab4bc257b95b2c"},"schema_version":"1.0","source":{"id":"1308.4573","kind":"arxiv","version":2}},"canonical_sha256":"58eb49e6fdac364b386b987a634f8e7eb27a11e0cbbc7b170048ffc16fdf8633","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"58eb49e6fdac364b386b987a634f8e7eb27a11e0cbbc7b170048ffc16fdf8633","first_computed_at":"2026-05-18T03:02:57.081848Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:02:57.081848Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SyXBzdd4Nl9d4W5O4F4Si/GwopzaelLbz8nqEP48YevLiLHwrwQQc2nUJcddYI2mT3HNZcSKjUX06jDqawiMBg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:02:57.082477Z","signed_message":"canonical_sha256_bytes"},"source_id":"1308.4573","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c7e062e9d4f8a63e76e266529f8cddfd46f818b2540e8eb66a001719f0f713d4","sha256:0cb5b19124b8fcfeefb4189f7c59ded1d3aa3e3160686f5c7e0072491f05da7e"],"state_sha256":"fc3eba09d54f52ff81aa158d5d1d25b736b8211746d0dd5f1c56f651826f0afd"}