{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:GVHYED2BFDGRYYHEGRWLSWK22C","short_pith_number":"pith:GVHYED2B","schema_version":"1.0","canonical_sha256":"354f820f4128cd1c60e4346cb9595ad08961d3a81e5e0becad702ddb968c3531","source":{"kind":"arxiv","id":"1202.3118","version":2},"attestation_state":"computed","paper":{"title":"Finite-size scaling and boundary effects in two-dimensional valence-bond-solids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Anders W. Sandvik","submitted_at":"2012-02-14T19:27:44Z","abstract_excerpt":"Various lattice geometries and boundaries are used to investigate valence-bond-solid (VBS) ordering in the ground state of an S=1/2 square-lattice quantum spin model---the J-Q model, in which 4- or 6-spin interactions Q are added to the Heisenberg exchange J. Ground state results for finite systems (with up to thousands of spins) are obtained using a projector QMC method. Great care has to be taken when extrapolating the order parameter to infinite size, in particular in cylinder geometry. Even though strong 2D VBS order exists and is established clearly with increasing system size on L*L latt"},"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":"1202.3118","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-02-14T19:27:44Z","cross_cats_sorted":[],"title_canon_sha256":"bafb5dd995813237626e89b346a50824a325cf062c344e62e94c10f9bd8db3b0","abstract_canon_sha256":"be9d39dcf8f72b427098b06cb8ddb9b0dcc4bba4bb60fd1cf60c4f458c4ad964"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:57:24.421388Z","signature_b64":"alGEWEGlG339Zbfh1E6NXDBUdgVZGOudAEJAPPLHCkvCEegX9b5IYdWIHhOUMhSJze2TjmigBKfaE6MGcnWhDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"354f820f4128cd1c60e4346cb9595ad08961d3a81e5e0becad702ddb968c3531","last_reissued_at":"2026-05-18T03:57:24.420732Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:57:24.420732Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Finite-size scaling and boundary effects in two-dimensional valence-bond-solids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Anders W. Sandvik","submitted_at":"2012-02-14T19:27:44Z","abstract_excerpt":"Various lattice geometries and boundaries are used to investigate valence-bond-solid (VBS) ordering in the ground state of an S=1/2 square-lattice quantum spin model---the J-Q model, in which 4- or 6-spin interactions Q are added to the Heisenberg exchange J. Ground state results for finite systems (with up to thousands of spins) are obtained using a projector QMC method. Great care has to be taken when extrapolating the order parameter to infinite size, in particular in cylinder geometry. Even though strong 2D VBS order exists and is established clearly with increasing system size on L*L latt"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.3118","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":"1202.3118","created_at":"2026-05-18T03:57:24.420846+00:00"},{"alias_kind":"arxiv_version","alias_value":"1202.3118v2","created_at":"2026-05-18T03:57:24.420846+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.3118","created_at":"2026-05-18T03:57:24.420846+00:00"},{"alias_kind":"pith_short_12","alias_value":"GVHYED2BFDGR","created_at":"2026-05-18T12:27:06.952714+00:00"},{"alias_kind":"pith_short_16","alias_value":"GVHYED2BFDGRYYHE","created_at":"2026-05-18T12:27:06.952714+00:00"},{"alias_kind":"pith_short_8","alias_value":"GVHYED2B","created_at":"2026-05-18T12:27:06.952714+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/GVHYED2BFDGRYYHEGRWLSWK22C","json":"https://pith.science/pith/GVHYED2BFDGRYYHEGRWLSWK22C.json","graph_json":"https://pith.science/api/pith-number/GVHYED2BFDGRYYHEGRWLSWK22C/graph.json","events_json":"https://pith.science/api/pith-number/GVHYED2BFDGRYYHEGRWLSWK22C/events.json","paper":"https://pith.science/paper/GVHYED2B"},"agent_actions":{"view_html":"https://pith.science/pith/GVHYED2BFDGRYYHEGRWLSWK22C","download_json":"https://pith.science/pith/GVHYED2BFDGRYYHEGRWLSWK22C.json","view_paper":"https://pith.science/paper/GVHYED2B","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1202.3118&json=true","fetch_graph":"https://pith.science/api/pith-number/GVHYED2BFDGRYYHEGRWLSWK22C/graph.json","fetch_events":"https://pith.science/api/pith-number/GVHYED2BFDGRYYHEGRWLSWK22C/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GVHYED2BFDGRYYHEGRWLSWK22C/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GVHYED2BFDGRYYHEGRWLSWK22C/action/storage_attestation","attest_author":"https://pith.science/pith/GVHYED2BFDGRYYHEGRWLSWK22C/action/author_attestation","sign_citation":"https://pith.science/pith/GVHYED2BFDGRYYHEGRWLSWK22C/action/citation_signature","submit_replication":"https://pith.science/pith/GVHYED2BFDGRYYHEGRWLSWK22C/action/replication_record"}},"created_at":"2026-05-18T03:57:24.420846+00:00","updated_at":"2026-05-18T03:57:24.420846+00:00"}