{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:ABBYATUYRT3RQEX3KN2OOJ2S52","short_pith_number":"pith:ABBYATUY","canonical_record":{"source":{"id":"1106.1008","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-06-06T10:29:31Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"7155a7dac5e95dbcd5389e49242c5e202dc98a32fa8a5cc2795f42a65bc0fb99","abstract_canon_sha256":"1fb5da6bdf71668d37da760dc085e595625fbb57ed2b18ab7b7915db38187247"},"schema_version":"1.0"},"canonical_sha256":"0043804e988cf71812fb5374e72752eea12d842ec336d7298835d424ba4f6aab","source":{"kind":"arxiv","id":"1106.1008","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.1008","created_at":"2026-05-18T04:11:08Z"},{"alias_kind":"arxiv_version","alias_value":"1106.1008v2","created_at":"2026-05-18T04:11:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.1008","created_at":"2026-05-18T04:11:08Z"},{"alias_kind":"pith_short_12","alias_value":"ABBYATUYRT3R","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"ABBYATUYRT3RQEX3","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"ABBYATUY","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:ABBYATUYRT3RQEX3KN2OOJ2S52","target":"record","payload":{"canonical_record":{"source":{"id":"1106.1008","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-06-06T10:29:31Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"7155a7dac5e95dbcd5389e49242c5e202dc98a32fa8a5cc2795f42a65bc0fb99","abstract_canon_sha256":"1fb5da6bdf71668d37da760dc085e595625fbb57ed2b18ab7b7915db38187247"},"schema_version":"1.0"},"canonical_sha256":"0043804e988cf71812fb5374e72752eea12d842ec336d7298835d424ba4f6aab","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:11:08.356436Z","signature_b64":"sMZGQXSo57S3bvmMYt3Jcqg3dN5hKzqq83Jr6g/UVc9dmvcAcmVkO8H6WQw97KkTPf+vsvysA/5B7lrAfBIGCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0043804e988cf71812fb5374e72752eea12d842ec336d7298835d424ba4f6aab","last_reissued_at":"2026-05-18T04:11:08.355808Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:11:08.355808Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1106.1008","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":"2026-05-18T04:11:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Eau1ZBkzCkVmdD6WDUBeNgZBrCYeirEBbfivTtOswIM4TWvpXgoxhb6iNQe6T9B4ZfpJujGaqVlUTHAK2/K7BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:30:04.330774Z"},"content_sha256":"252b7e0e1000f5901cf7d9629f4e38bef7df0a5b069d24511df438b99333b18c","schema_version":"1.0","event_id":"sha256:252b7e0e1000f5901cf7d9629f4e38bef7df0a5b069d24511df438b99333b18c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:ABBYATUYRT3RQEX3KN2OOJ2S52","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The J1-J2 Heisenberg model at and close to its z=4 quantum critical point","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.str-el","authors_text":"A. Herzog, D. V. Dmitriev, J. Richter, J. Sirker, O. Janson, S.-L. Drechsler, S. Nishimoto, V. Y. Krivnov","submitted_at":"2011-06-06T10:29:31Z","abstract_excerpt":"We study the frustrated J1-J2 Heisenberg model with ferromagnetic nearest neighbor coupling J1<0 and antiferromagnetic next-nearest neighbor coupling J2>0 at and close to the z=4 quantum critical point (QCP) at J1/J2=-4. The J1-J2 model plays an important role for recently synthesized chain cuprates as well as in supersymmetric Yang Mills theories. We study the thermodynamic properties using field theory, a modified spin-wave theory as well as numerical density-matrix renormalization group calculations. Furthermore, we compare with results for the classical model obtained by analytical methods"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.1008","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":"2026-05-18T04:11:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eGgVXkGZp5FVvuv0+HljYFXaqm7utvGBUIlv3To/WB5+5HP494Ham0+BoyrAtdPy1moEpcsuoQZzMncYHvAzAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:30:04.331118Z"},"content_sha256":"86511750a3cfaccbbb4302a2207275c768344721503e586f0a98bafb449135fb","schema_version":"1.0","event_id":"sha256:86511750a3cfaccbbb4302a2207275c768344721503e586f0a98bafb449135fb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ABBYATUYRT3RQEX3KN2OOJ2S52/bundle.json","state_url":"https://pith.science/pith/ABBYATUYRT3RQEX3KN2OOJ2S52/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ABBYATUYRT3RQEX3KN2OOJ2S52/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":"2026-05-28T00:30:04Z","links":{"resolver":"https://pith.science/pith/ABBYATUYRT3RQEX3KN2OOJ2S52","bundle":"https://pith.science/pith/ABBYATUYRT3RQEX3KN2OOJ2S52/bundle.json","state":"https://pith.science/pith/ABBYATUYRT3RQEX3KN2OOJ2S52/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ABBYATUYRT3RQEX3KN2OOJ2S52/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:ABBYATUYRT3RQEX3KN2OOJ2S52","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":"1fb5da6bdf71668d37da760dc085e595625fbb57ed2b18ab7b7915db38187247","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-06-06T10:29:31Z","title_canon_sha256":"7155a7dac5e95dbcd5389e49242c5e202dc98a32fa8a5cc2795f42a65bc0fb99"},"schema_version":"1.0","source":{"id":"1106.1008","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.1008","created_at":"2026-05-18T04:11:08Z"},{"alias_kind":"arxiv_version","alias_value":"1106.1008v2","created_at":"2026-05-18T04:11:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.1008","created_at":"2026-05-18T04:11:08Z"},{"alias_kind":"pith_short_12","alias_value":"ABBYATUYRT3R","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"ABBYATUYRT3RQEX3","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"ABBYATUY","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:86511750a3cfaccbbb4302a2207275c768344721503e586f0a98bafb449135fb","target":"graph","created_at":"2026-05-18T04:11:08Z","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 study the frustrated J1-J2 Heisenberg model with ferromagnetic nearest neighbor coupling J1<0 and antiferromagnetic next-nearest neighbor coupling J2>0 at and close to the z=4 quantum critical point (QCP) at J1/J2=-4. The J1-J2 model plays an important role for recently synthesized chain cuprates as well as in supersymmetric Yang Mills theories. We study the thermodynamic properties using field theory, a modified spin-wave theory as well as numerical density-matrix renormalization group calculations. Furthermore, we compare with results for the classical model obtained by analytical methods","authors_text":"A. Herzog, D. V. Dmitriev, J. Richter, J. Sirker, O. Janson, S.-L. Drechsler, S. Nishimoto, V. Y. Krivnov","cross_cats":["cond-mat.stat-mech"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-06-06T10:29:31Z","title":"The J1-J2 Heisenberg model at and close to its z=4 quantum critical point"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.1008","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":"sha256:252b7e0e1000f5901cf7d9629f4e38bef7df0a5b069d24511df438b99333b18c","target":"record","created_at":"2026-05-18T04:11:08Z","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":"1fb5da6bdf71668d37da760dc085e595625fbb57ed2b18ab7b7915db38187247","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-06-06T10:29:31Z","title_canon_sha256":"7155a7dac5e95dbcd5389e49242c5e202dc98a32fa8a5cc2795f42a65bc0fb99"},"schema_version":"1.0","source":{"id":"1106.1008","kind":"arxiv","version":2}},"canonical_sha256":"0043804e988cf71812fb5374e72752eea12d842ec336d7298835d424ba4f6aab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0043804e988cf71812fb5374e72752eea12d842ec336d7298835d424ba4f6aab","first_computed_at":"2026-05-18T04:11:08.355808Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:11:08.355808Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sMZGQXSo57S3bvmMYt3Jcqg3dN5hKzqq83Jr6g/UVc9dmvcAcmVkO8H6WQw97KkTPf+vsvysA/5B7lrAfBIGCA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:11:08.356436Z","signed_message":"canonical_sha256_bytes"},"source_id":"1106.1008","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:252b7e0e1000f5901cf7d9629f4e38bef7df0a5b069d24511df438b99333b18c","sha256:86511750a3cfaccbbb4302a2207275c768344721503e586f0a98bafb449135fb"],"state_sha256":"6abf362436e08da7faa6e3d31a8d2495ed5d984d05be0fb7edea578e662883ee"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GzLs0OPmwyfk59qrKpXN2F5uLUnz9DrdCq2BELLdP9EsvgaYyzvH2wMgEN0w207zT1g8kaq8z224lJ9oR8BlCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T00:30:04.333119Z","bundle_sha256":"c65b9039fdb896c6a781bc73126755aa46977a10fc78e376b030939287f1665f"}}