{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:K5XOVQWTRVB7LKYGUFPKYL4OO5","short_pith_number":"pith:K5XOVQWT","canonical_record":{"source":{"id":"1612.00381","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2016-12-01T18:56:35Z","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.str-el","quant-ph"],"title_canon_sha256":"067540b556287454d2a0f55644fa49ed0c3a47b5f11ec3b664c3e55d1662375e","abstract_canon_sha256":"3e5f6ffbf2872ec8261be4790557d6395fc858513cd0356ef4ce5db618bda431"},"schema_version":"1.0"},"canonical_sha256":"576eeac2d38d43f5ab06a15eac2f8e777b4fa6d4a73dcb79317a0dfc87d33488","source":{"kind":"arxiv","id":"1612.00381","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.00381","created_at":"2026-05-18T00:43:01Z"},{"alias_kind":"arxiv_version","alias_value":"1612.00381v2","created_at":"2026-05-18T00:43:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.00381","created_at":"2026-05-18T00:43:01Z"},{"alias_kind":"pith_short_12","alias_value":"K5XOVQWTRVB7","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"K5XOVQWTRVB7LKYG","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"K5XOVQWT","created_at":"2026-05-18T12:30:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:K5XOVQWTRVB7LKYGUFPKYL4OO5","target":"record","payload":{"canonical_record":{"source":{"id":"1612.00381","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2016-12-01T18:56:35Z","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.str-el","quant-ph"],"title_canon_sha256":"067540b556287454d2a0f55644fa49ed0c3a47b5f11ec3b664c3e55d1662375e","abstract_canon_sha256":"3e5f6ffbf2872ec8261be4790557d6395fc858513cd0356ef4ce5db618bda431"},"schema_version":"1.0"},"canonical_sha256":"576eeac2d38d43f5ab06a15eac2f8e777b4fa6d4a73dcb79317a0dfc87d33488","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:43:01.568377Z","signature_b64":"r1XNupQYqesgOePxu9coPGtPv/OQRttLWwrIya5QJ62mCmamW84ADq+kS+BpqYuyqogtVsdPZBSrzz98Q6wKDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"576eeac2d38d43f5ab06a15eac2f8e777b4fa6d4a73dcb79317a0dfc87d33488","last_reissued_at":"2026-05-18T00:43:01.567648Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:43:01.567648Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.00381","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":"2026-05-18T00:43:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kxMa0Igyp5vsJWa715Al21kow7JRDKOS9B7NkavVfaikyQfXM6S9mkn+BJYg1DaftT2FmoxmWARf05T5s0fWBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T20:13:06.707800Z"},"content_sha256":"53a6a8056e60fb47700eb668aa68773ce068e58de90e68ef7d0a0d6f06ca32b9","schema_version":"1.0","event_id":"sha256:53a6a8056e60fb47700eb668aa68773ce068e58de90e68ef7d0a0d6f06ca32b9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:K5XOVQWTRVB7LKYGUFPKYL4OO5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Using Random Boundary Conditions to simulate disordered quantum spin models in 2D-systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn","cond-mat.str-el","quant-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"A. Sanpera, A. Yuste, M. Moreno-Cardoner","submitted_at":"2016-12-01T18:56:35Z","abstract_excerpt":"Disordered quantum antiferromagnets in two-dimensional compounds have been a focus of interest in the last years due to their exotic properties. However, with very few exceptions, the ground states of the corresponding Hamiltonians are notoriously difficult to simulate making their characterization and detection very elusive, both, theoretically and experimentally. Here we propose a method to signal quantum disordered antiferromagnets by doing exact diagonalization in small lattices using random boundary conditions and averaging the observables of interest over the different disorder realizati"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.00381","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":"2026-05-18T00:43:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0fkQmHNvnRQ6PEqvUhxz5MNKRDaVa4J/w0KXFbmka8evATb13aKKK8jYi1dcMFS9ODH0aH1ooR/zRb0wtTC0Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T20:13:06.708146Z"},"content_sha256":"b3b2241e33f6a35de432e02776ee0f1db7aae56a38d87778fc530b83233c2100","schema_version":"1.0","event_id":"sha256:b3b2241e33f6a35de432e02776ee0f1db7aae56a38d87778fc530b83233c2100"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K5XOVQWTRVB7LKYGUFPKYL4OO5/bundle.json","state_url":"https://pith.science/pith/K5XOVQWTRVB7LKYGUFPKYL4OO5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K5XOVQWTRVB7LKYGUFPKYL4OO5/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":"2026-06-01T20:13:06Z","links":{"resolver":"https://pith.science/pith/K5XOVQWTRVB7LKYGUFPKYL4OO5","bundle":"https://pith.science/pith/K5XOVQWTRVB7LKYGUFPKYL4OO5/bundle.json","state":"https://pith.science/pith/K5XOVQWTRVB7LKYGUFPKYL4OO5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K5XOVQWTRVB7LKYGUFPKYL4OO5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:K5XOVQWTRVB7LKYGUFPKYL4OO5","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":"3e5f6ffbf2872ec8261be4790557d6395fc858513cd0356ef4ce5db618bda431","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.str-el","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2016-12-01T18:56:35Z","title_canon_sha256":"067540b556287454d2a0f55644fa49ed0c3a47b5f11ec3b664c3e55d1662375e"},"schema_version":"1.0","source":{"id":"1612.00381","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.00381","created_at":"2026-05-18T00:43:01Z"},{"alias_kind":"arxiv_version","alias_value":"1612.00381v2","created_at":"2026-05-18T00:43:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.00381","created_at":"2026-05-18T00:43:01Z"},{"alias_kind":"pith_short_12","alias_value":"K5XOVQWTRVB7","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"K5XOVQWTRVB7LKYG","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"K5XOVQWT","created_at":"2026-05-18T12:30:25Z"}],"graph_snapshots":[{"event_id":"sha256:b3b2241e33f6a35de432e02776ee0f1db7aae56a38d87778fc530b83233c2100","target":"graph","created_at":"2026-05-18T00:43:01Z","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":"Disordered quantum antiferromagnets in two-dimensional compounds have been a focus of interest in the last years due to their exotic properties. However, with very few exceptions, the ground states of the corresponding Hamiltonians are notoriously difficult to simulate making their characterization and detection very elusive, both, theoretically and experimentally. Here we propose a method to signal quantum disordered antiferromagnets by doing exact diagonalization in small lattices using random boundary conditions and averaging the observables of interest over the different disorder realizati","authors_text":"A. Sanpera, A. Yuste, M. Moreno-Cardoner","cross_cats":["cond-mat.dis-nn","cond-mat.str-el","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2016-12-01T18:56:35Z","title":"Using Random Boundary Conditions to simulate disordered quantum spin models in 2D-systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.00381","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":"sha256:53a6a8056e60fb47700eb668aa68773ce068e58de90e68ef7d0a0d6f06ca32b9","target":"record","created_at":"2026-05-18T00:43:01Z","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":"3e5f6ffbf2872ec8261be4790557d6395fc858513cd0356ef4ce5db618bda431","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.str-el","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2016-12-01T18:56:35Z","title_canon_sha256":"067540b556287454d2a0f55644fa49ed0c3a47b5f11ec3b664c3e55d1662375e"},"schema_version":"1.0","source":{"id":"1612.00381","kind":"arxiv","version":2}},"canonical_sha256":"576eeac2d38d43f5ab06a15eac2f8e777b4fa6d4a73dcb79317a0dfc87d33488","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"576eeac2d38d43f5ab06a15eac2f8e777b4fa6d4a73dcb79317a0dfc87d33488","first_computed_at":"2026-05-18T00:43:01.567648Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:43:01.567648Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"r1XNupQYqesgOePxu9coPGtPv/OQRttLWwrIya5QJ62mCmamW84ADq+kS+BpqYuyqogtVsdPZBSrzz98Q6wKDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:43:01.568377Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.00381","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:53a6a8056e60fb47700eb668aa68773ce068e58de90e68ef7d0a0d6f06ca32b9","sha256:b3b2241e33f6a35de432e02776ee0f1db7aae56a38d87778fc530b83233c2100"],"state_sha256":"9a6308468f59c572eb8d987fb385d5c27a4ace3da741007a1950b3e6c4c79e38"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WMLxoOqOy9LqGbuGbK4qZQ3gcK+s6AEH8avO8aiICgHYyPeh83dMLfRsrGQvP58Ca0G+figCZ4EJ5LEXCTB1Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T20:13:06.710230Z","bundle_sha256":"41324c3c2d3a31af22f85b4fe2c117487603fafec7f01bb6a7658d0a3c509772"}}