{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:2EXBEORHKJZWKVEGHTXBQ54JGY","short_pith_number":"pith:2EXBEORH","canonical_record":{"source":{"id":"1304.6340","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-04-23T16:35:51Z","cross_cats_sorted":["cond-mat.mes-hall","hep-lat"],"title_canon_sha256":"2168abd97b0f4ed80fc5f5bed009c8c22a967366b00ac630d0a4be5c7b6b53fb","abstract_canon_sha256":"44e1d642fa2cb87f3aa5e428d6a7f34d25fb1b7da7702a04a8c853017fdc0f8f"},"schema_version":"1.0"},"canonical_sha256":"d12e123a2752736554863cee1877893624ce9e767ca3bea68638152b9062049a","source":{"kind":"arxiv","id":"1304.6340","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.6340","created_at":"2026-05-18T03:14:39Z"},{"alias_kind":"arxiv_version","alias_value":"1304.6340v2","created_at":"2026-05-18T03:14:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.6340","created_at":"2026-05-18T03:14:39Z"},{"alias_kind":"pith_short_12","alias_value":"2EXBEORHKJZW","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"2EXBEORHKJZWKVEG","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"2EXBEORH","created_at":"2026-05-18T12:27:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:2EXBEORHKJZWKVEGHTXBQ54JGY","target":"record","payload":{"canonical_record":{"source":{"id":"1304.6340","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-04-23T16:35:51Z","cross_cats_sorted":["cond-mat.mes-hall","hep-lat"],"title_canon_sha256":"2168abd97b0f4ed80fc5f5bed009c8c22a967366b00ac630d0a4be5c7b6b53fb","abstract_canon_sha256":"44e1d642fa2cb87f3aa5e428d6a7f34d25fb1b7da7702a04a8c853017fdc0f8f"},"schema_version":"1.0"},"canonical_sha256":"d12e123a2752736554863cee1877893624ce9e767ca3bea68638152b9062049a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:14:39.086024Z","signature_b64":"ioQYOL3/15zG13iynoaI7WFVrNu3kvcy6rt2+4aYhIPuho1VBqtkY7VyLtydVuDXPtLT5k4/hXwN7Nnf2EbhCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d12e123a2752736554863cee1877893624ce9e767ca3bea68638152b9062049a","last_reissued_at":"2026-05-18T03:14:39.085453Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:14:39.085453Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1304.6340","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":"2026-05-18T03:14:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KPJbLrnb3O1ByotD+QuROxjgCPPBh/5AZU4NiG9snlQyCxZ+8n3ERlJ+9Pk26h0XOCmWUqRUKv5M0yZ4FA2EBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T10:27:07.987694Z"},"content_sha256":"15eebb48aa5770a8d28ecac18e791387302203b89d810e3425da6ca9f935e4aa","schema_version":"1.0","event_id":"sha256:15eebb48aa5770a8d28ecac18e791387302203b89d810e3425da6ca9f935e4aa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:2EXBEORHKJZWKVEGHTXBQ54JGY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pinning the order: the nature of quantum criticality in the Hubbard model on honeycomb lattice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","hep-lat"],"primary_cat":"cond-mat.str-el","authors_text":"Fakher F. Assaad, Igor F. Herbut","submitted_at":"2013-04-23T16:35:51Z","abstract_excerpt":"In numerical simulations, spontaneously broken symmetry is often detected by computing two-point correlation functions of the appropriate local order parameter. This approach, however, computes the square of the local order parameter, and so when it is {\\it small}, very large system sizes at high precisions are required to obtain reliable results. Alternatively, one can pin the order by introducing a local symmetry breaking field, and then measure the induced local order parameter infinitely far from the pinning center. The method is tested here at length for the Hubbard model on honeycomb lat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.6340","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":"2026-05-18T03:14:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jPFsG8aHjdpB9dTX8TFiN221CCFlH1Ki5tFc67V2zN/eEPdhMlTOHhMdiyanQx7Zm1vyzHDHgp78uDdrtY47Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T10:27:07.988052Z"},"content_sha256":"8fc703bf1c5d9110a83255a741427f96f685ae9432bc901fdff5032fffa1b273","schema_version":"1.0","event_id":"sha256:8fc703bf1c5d9110a83255a741427f96f685ae9432bc901fdff5032fffa1b273"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2EXBEORHKJZWKVEGHTXBQ54JGY/bundle.json","state_url":"https://pith.science/pith/2EXBEORHKJZWKVEGHTXBQ54JGY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2EXBEORHKJZWKVEGHTXBQ54JGY/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":"2026-05-21T10:27:07Z","links":{"resolver":"https://pith.science/pith/2EXBEORHKJZWKVEGHTXBQ54JGY","bundle":"https://pith.science/pith/2EXBEORHKJZWKVEGHTXBQ54JGY/bundle.json","state":"https://pith.science/pith/2EXBEORHKJZWKVEGHTXBQ54JGY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2EXBEORHKJZWKVEGHTXBQ54JGY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:2EXBEORHKJZWKVEGHTXBQ54JGY","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":"44e1d642fa2cb87f3aa5e428d6a7f34d25fb1b7da7702a04a8c853017fdc0f8f","cross_cats_sorted":["cond-mat.mes-hall","hep-lat"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-04-23T16:35:51Z","title_canon_sha256":"2168abd97b0f4ed80fc5f5bed009c8c22a967366b00ac630d0a4be5c7b6b53fb"},"schema_version":"1.0","source":{"id":"1304.6340","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.6340","created_at":"2026-05-18T03:14:39Z"},{"alias_kind":"arxiv_version","alias_value":"1304.6340v2","created_at":"2026-05-18T03:14:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.6340","created_at":"2026-05-18T03:14:39Z"},{"alias_kind":"pith_short_12","alias_value":"2EXBEORHKJZW","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"2EXBEORHKJZWKVEG","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"2EXBEORH","created_at":"2026-05-18T12:27:30Z"}],"graph_snapshots":[{"event_id":"sha256:8fc703bf1c5d9110a83255a741427f96f685ae9432bc901fdff5032fffa1b273","target":"graph","created_at":"2026-05-18T03:14:39Z","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":"In numerical simulations, spontaneously broken symmetry is often detected by computing two-point correlation functions of the appropriate local order parameter. This approach, however, computes the square of the local order parameter, and so when it is {\\it small}, very large system sizes at high precisions are required to obtain reliable results. Alternatively, one can pin the order by introducing a local symmetry breaking field, and then measure the induced local order parameter infinitely far from the pinning center. The method is tested here at length for the Hubbard model on honeycomb lat","authors_text":"Fakher F. Assaad, Igor F. Herbut","cross_cats":["cond-mat.mes-hall","hep-lat"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-04-23T16:35:51Z","title":"Pinning the order: the nature of quantum criticality in the Hubbard model on honeycomb lattice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.6340","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":"sha256:15eebb48aa5770a8d28ecac18e791387302203b89d810e3425da6ca9f935e4aa","target":"record","created_at":"2026-05-18T03:14:39Z","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":"44e1d642fa2cb87f3aa5e428d6a7f34d25fb1b7da7702a04a8c853017fdc0f8f","cross_cats_sorted":["cond-mat.mes-hall","hep-lat"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-04-23T16:35:51Z","title_canon_sha256":"2168abd97b0f4ed80fc5f5bed009c8c22a967366b00ac630d0a4be5c7b6b53fb"},"schema_version":"1.0","source":{"id":"1304.6340","kind":"arxiv","version":2}},"canonical_sha256":"d12e123a2752736554863cee1877893624ce9e767ca3bea68638152b9062049a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d12e123a2752736554863cee1877893624ce9e767ca3bea68638152b9062049a","first_computed_at":"2026-05-18T03:14:39.085453Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:14:39.085453Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ioQYOL3/15zG13iynoaI7WFVrNu3kvcy6rt2+4aYhIPuho1VBqtkY7VyLtydVuDXPtLT5k4/hXwN7Nnf2EbhCw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:14:39.086024Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.6340","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:15eebb48aa5770a8d28ecac18e791387302203b89d810e3425da6ca9f935e4aa","sha256:8fc703bf1c5d9110a83255a741427f96f685ae9432bc901fdff5032fffa1b273"],"state_sha256":"dfbe63f25fe4f3ac6f0057fcf76ec9366adff77888fbf50a5ff2ba7c0ebaec3e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MbSeb9eYwkrD9YOjM9gpnA487rEEhbxRrQ/9M559heaKuoQNhl1F8yO1PNyCIY8fQ/9CullfKFYvfGA31S1FDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T10:27:07.990893Z","bundle_sha256":"5a2336f025114fd2d688a1bb90d48600f2d2b5075b6820ccb6e7b860f5c87c53"}}