{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:HZMYVR4C4UDYIK6D77RC7GT5E7","short_pith_number":"pith:HZMYVR4C","schema_version":"1.0","canonical_sha256":"3e598ac782e507842bc3ffe22f9a7d27cc8865e8d8a1858ddad1f4bb9ccce1d0","source":{"kind":"arxiv","id":"2605.19011","version":1},"attestation_state":"computed","paper":{"title":"Deconfined Boundary Phase Transition of a Quantum Critical Heisenberg Model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.str-el","authors_text":"Chengxiang Ding, Long Zhang","submitted_at":"2026-05-18T18:33:59Z","abstract_excerpt":"We investigate the boundary phases of a (2+1)-dimensional quantum critical Heisenberg model with a dangling spin chain. By introducing a multispin $Q$-term along the boundary, we drive a continuous boundary transition from an antiferromagnetic (AF) order to a valence-bond solid (VBS) order. Using large-scale quantum Monte Carlo simulations, we locate the critical point at $Q_{c}=0.310(11)$, and obtain the critical exponents at $Q_{c}$, including $y_{s}=0.81(4)$ and the scaling dimensions of AF and VBS order parameters $\\Delta_{s}=0.660(15)$ and $\\Delta_{v}=0.204(14)$. The weak long-range AF or"},"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":"2605.19011","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-05-18T18:33:59Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"55f92bcb58123b67d08b81950645d3ee6e92f3a662ee7a164cd05ed5114895dd","abstract_canon_sha256":"c86582b04943222e65c4b2cc96e4fe83c63e28a30557c7ea80d565b713d6053b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T01:04:42.393833Z","signature_b64":"3WGKhdlxug5wUfw/QX61PBcBbC6KiKQy4epuuj3ugB3p1RpS03zjMlwwtycOffW3qcMuTzX0pWTRaDW6KYq/BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3e598ac782e507842bc3ffe22f9a7d27cc8865e8d8a1858ddad1f4bb9ccce1d0","last_reissued_at":"2026-05-20T01:04:42.392922Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T01:04:42.392922Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Deconfined Boundary Phase Transition of a Quantum Critical Heisenberg Model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.str-el","authors_text":"Chengxiang Ding, Long Zhang","submitted_at":"2026-05-18T18:33:59Z","abstract_excerpt":"We investigate the boundary phases of a (2+1)-dimensional quantum critical Heisenberg model with a dangling spin chain. By introducing a multispin $Q$-term along the boundary, we drive a continuous boundary transition from an antiferromagnetic (AF) order to a valence-bond solid (VBS) order. Using large-scale quantum Monte Carlo simulations, we locate the critical point at $Q_{c}=0.310(11)$, and obtain the critical exponents at $Q_{c}$, including $y_{s}=0.81(4)$ and the scaling dimensions of AF and VBS order parameters $\\Delta_{s}=0.660(15)$ and $\\Delta_{v}=0.204(14)$. The weak long-range AF or"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.19011","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.19011/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2605.19011","created_at":"2026-05-20T01:04:42.393038+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.19011v1","created_at":"2026-05-20T01:04:42.393038+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.19011","created_at":"2026-05-20T01:04:42.393038+00:00"},{"alias_kind":"pith_short_12","alias_value":"HZMYVR4C4UDY","created_at":"2026-05-20T01:04:42.393038+00:00"},{"alias_kind":"pith_short_16","alias_value":"HZMYVR4C4UDYIK6D","created_at":"2026-05-20T01:04:42.393038+00:00"},{"alias_kind":"pith_short_8","alias_value":"HZMYVR4C","created_at":"2026-05-20T01:04:42.393038+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/HZMYVR4C4UDYIK6D77RC7GT5E7","json":"https://pith.science/pith/HZMYVR4C4UDYIK6D77RC7GT5E7.json","graph_json":"https://pith.science/api/pith-number/HZMYVR4C4UDYIK6D77RC7GT5E7/graph.json","events_json":"https://pith.science/api/pith-number/HZMYVR4C4UDYIK6D77RC7GT5E7/events.json","paper":"https://pith.science/paper/HZMYVR4C"},"agent_actions":{"view_html":"https://pith.science/pith/HZMYVR4C4UDYIK6D77RC7GT5E7","download_json":"https://pith.science/pith/HZMYVR4C4UDYIK6D77RC7GT5E7.json","view_paper":"https://pith.science/paper/HZMYVR4C","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.19011&json=true","fetch_graph":"https://pith.science/api/pith-number/HZMYVR4C4UDYIK6D77RC7GT5E7/graph.json","fetch_events":"https://pith.science/api/pith-number/HZMYVR4C4UDYIK6D77RC7GT5E7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HZMYVR4C4UDYIK6D77RC7GT5E7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HZMYVR4C4UDYIK6D77RC7GT5E7/action/storage_attestation","attest_author":"https://pith.science/pith/HZMYVR4C4UDYIK6D77RC7GT5E7/action/author_attestation","sign_citation":"https://pith.science/pith/HZMYVR4C4UDYIK6D77RC7GT5E7/action/citation_signature","submit_replication":"https://pith.science/pith/HZMYVR4C4UDYIK6D77RC7GT5E7/action/replication_record"}},"created_at":"2026-05-20T01:04:42.393038+00:00","updated_at":"2026-05-20T01:04:42.393038+00:00"}