{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:IALPXMOA5WHLYCEZA4OI5M3I44","short_pith_number":"pith:IALPXMOA","canonical_record":{"source":{"id":"1607.04270","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-07-14T19:57:26Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"dfd3c922d6b503576f2c60cf7de67a54ad4446abd1a0775afc5261056fe784ca","abstract_canon_sha256":"874fe086250e7f0beb22470e5b23f120db5c18578b3814d925996ba2ec3c8a32"},"schema_version":"1.0"},"canonical_sha256":"4016fbb1c0ed8ebc0899071c8eb368e713e58f37fec31eb83d1e996fb2bdf30a","source":{"kind":"arxiv","id":"1607.04270","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.04270","created_at":"2026-05-18T00:53:02Z"},{"alias_kind":"arxiv_version","alias_value":"1607.04270v2","created_at":"2026-05-18T00:53:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.04270","created_at":"2026-05-18T00:53:02Z"},{"alias_kind":"pith_short_12","alias_value":"IALPXMOA5WHL","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IALPXMOA5WHLYCEZ","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IALPXMOA","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:IALPXMOA5WHLYCEZA4OI5M3I44","target":"record","payload":{"canonical_record":{"source":{"id":"1607.04270","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-07-14T19:57:26Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"dfd3c922d6b503576f2c60cf7de67a54ad4446abd1a0775afc5261056fe784ca","abstract_canon_sha256":"874fe086250e7f0beb22470e5b23f120db5c18578b3814d925996ba2ec3c8a32"},"schema_version":"1.0"},"canonical_sha256":"4016fbb1c0ed8ebc0899071c8eb368e713e58f37fec31eb83d1e996fb2bdf30a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:53:02.430230Z","signature_b64":"k7F2BIVDJeCLhMHzntdeGwJNOVA/PjOMgGXFfzvRWL6U9pZfypglVyR5LXVoBr+un3dQHnVwx9aVSXgXpZbFCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4016fbb1c0ed8ebc0899071c8eb368e713e58f37fec31eb83d1e996fb2bdf30a","last_reissued_at":"2026-05-18T00:53:02.429563Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:53:02.429563Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.04270","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:53:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NDlxFzt9gIUNHol9ToNAwBn+yICcvcdmnUeWZxoxk9tTzSJSxMMTIxh26WQhtd3LxwqEQm9+DMxuG0Uww1yODQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T12:48:12.381852Z"},"content_sha256":"cf2037f7aac5ba80e8ef335f781c0bbbbed677d30ffef96528bbcefd233993fe","schema_version":"1.0","event_id":"sha256:cf2037f7aac5ba80e8ef335f781c0bbbbed677d30ffef96528bbcefd233993fe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:IALPXMOA5WHLYCEZA4OI5M3I44","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Critical behavior in the presence of an order-parameter pinning field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.stat-mech","authors_text":"Fakher F. Assaad, Francesco Parisen Toldin, Stefan Wessel","submitted_at":"2016-07-14T19:57:26Z","abstract_excerpt":"We apply a recently advocated simulation scheme that employs a local order-parameter pinning field to study quantum critical phenomena in the two-dimensional square-lattice bilayer quantum Heisenberg model. Using a world-line quantum Monte Carlo approach, we show that for this model, the pinning-field approach allows to locate the quantum critical point over a wide range of pinning-field strengths. However, the identification of the quantum critical scaling behavior is found to be hard since the pinning field introduces strong corrections to scaling. In order to further elucidate the scaling b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.04270","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:53:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5+LRoJRiRm2WRDczeuwydV7aGSJ3lWHm76KmSRPmIp8ke9/okLZoYtbhAPZVX2Rh34kv5LBrVb5uV+QpBM1hBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T12:48:12.382524Z"},"content_sha256":"7343336d8b80412823d02708275878a9e3785c3872ba6f01e125f2c5121bf689","schema_version":"1.0","event_id":"sha256:7343336d8b80412823d02708275878a9e3785c3872ba6f01e125f2c5121bf689"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IALPXMOA5WHLYCEZA4OI5M3I44/bundle.json","state_url":"https://pith.science/pith/IALPXMOA5WHLYCEZA4OI5M3I44/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IALPXMOA5WHLYCEZA4OI5M3I44/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-31T12:48:12Z","links":{"resolver":"https://pith.science/pith/IALPXMOA5WHLYCEZA4OI5M3I44","bundle":"https://pith.science/pith/IALPXMOA5WHLYCEZA4OI5M3I44/bundle.json","state":"https://pith.science/pith/IALPXMOA5WHLYCEZA4OI5M3I44/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IALPXMOA5WHLYCEZA4OI5M3I44/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:IALPXMOA5WHLYCEZA4OI5M3I44","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":"874fe086250e7f0beb22470e5b23f120db5c18578b3814d925996ba2ec3c8a32","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-07-14T19:57:26Z","title_canon_sha256":"dfd3c922d6b503576f2c60cf7de67a54ad4446abd1a0775afc5261056fe784ca"},"schema_version":"1.0","source":{"id":"1607.04270","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.04270","created_at":"2026-05-18T00:53:02Z"},{"alias_kind":"arxiv_version","alias_value":"1607.04270v2","created_at":"2026-05-18T00:53:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.04270","created_at":"2026-05-18T00:53:02Z"},{"alias_kind":"pith_short_12","alias_value":"IALPXMOA5WHL","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IALPXMOA5WHLYCEZ","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IALPXMOA","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:7343336d8b80412823d02708275878a9e3785c3872ba6f01e125f2c5121bf689","target":"graph","created_at":"2026-05-18T00:53:02Z","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 apply a recently advocated simulation scheme that employs a local order-parameter pinning field to study quantum critical phenomena in the two-dimensional square-lattice bilayer quantum Heisenberg model. Using a world-line quantum Monte Carlo approach, we show that for this model, the pinning-field approach allows to locate the quantum critical point over a wide range of pinning-field strengths. However, the identification of the quantum critical scaling behavior is found to be hard since the pinning field introduces strong corrections to scaling. In order to further elucidate the scaling b","authors_text":"Fakher F. Assaad, Francesco Parisen Toldin, Stefan Wessel","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-07-14T19:57:26Z","title":"Critical behavior in the presence of an order-parameter pinning field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.04270","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:cf2037f7aac5ba80e8ef335f781c0bbbbed677d30ffef96528bbcefd233993fe","target":"record","created_at":"2026-05-18T00:53:02Z","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":"874fe086250e7f0beb22470e5b23f120db5c18578b3814d925996ba2ec3c8a32","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-07-14T19:57:26Z","title_canon_sha256":"dfd3c922d6b503576f2c60cf7de67a54ad4446abd1a0775afc5261056fe784ca"},"schema_version":"1.0","source":{"id":"1607.04270","kind":"arxiv","version":2}},"canonical_sha256":"4016fbb1c0ed8ebc0899071c8eb368e713e58f37fec31eb83d1e996fb2bdf30a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4016fbb1c0ed8ebc0899071c8eb368e713e58f37fec31eb83d1e996fb2bdf30a","first_computed_at":"2026-05-18T00:53:02.429563Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:53:02.429563Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k7F2BIVDJeCLhMHzntdeGwJNOVA/PjOMgGXFfzvRWL6U9pZfypglVyR5LXVoBr+un3dQHnVwx9aVSXgXpZbFCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:53:02.430230Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.04270","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cf2037f7aac5ba80e8ef335f781c0bbbbed677d30ffef96528bbcefd233993fe","sha256:7343336d8b80412823d02708275878a9e3785c3872ba6f01e125f2c5121bf689"],"state_sha256":"a8fa9e8fe5f24a307354fd6634c491e20bf749f6b4ad31a7ba5508504be485fe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GjmLxLQ7DzaugYlHj7Y7PFdgriG3BrSUgYhx1LISsd1MeeKE8rDofGg1zYYqeyJbCM39Nu/Uf2fMnQJMuzJzBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T12:48:12.387014Z","bundle_sha256":"81ea72831414c5d1bd977bb106defb837a0c21f3642f779c5f45f74eef039573"}}