{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:IRRECOWLBNWBVJKIXTZ6HVEYMK","short_pith_number":"pith:IRRECOWL","canonical_record":{"source":{"id":"1409.6935","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-09-24T13:02:45Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"d21c47b824a0a9689d6401c1677d0bcfcd7818e193e41e5542f6d924fc44d526","abstract_canon_sha256":"8900eb24f44fb8ba806d3c905374556a3a1f0ff742cac617edcafb67b4c28b39"},"schema_version":"1.0"},"canonical_sha256":"4462413acb0b6c1aa548bcf3e3d49862a803b61d1e7b49e450b62837a20411a7","source":{"kind":"arxiv","id":"1409.6935","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.6935","created_at":"2026-05-18T01:13:28Z"},{"alias_kind":"arxiv_version","alias_value":"1409.6935v1","created_at":"2026-05-18T01:13:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.6935","created_at":"2026-05-18T01:13:28Z"},{"alias_kind":"pith_short_12","alias_value":"IRRECOWLBNWB","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IRRECOWLBNWBVJKI","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IRRECOWL","created_at":"2026-05-18T12:28:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:IRRECOWLBNWBVJKIXTZ6HVEYMK","target":"record","payload":{"canonical_record":{"source":{"id":"1409.6935","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-09-24T13:02:45Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"d21c47b824a0a9689d6401c1677d0bcfcd7818e193e41e5542f6d924fc44d526","abstract_canon_sha256":"8900eb24f44fb8ba806d3c905374556a3a1f0ff742cac617edcafb67b4c28b39"},"schema_version":"1.0"},"canonical_sha256":"4462413acb0b6c1aa548bcf3e3d49862a803b61d1e7b49e450b62837a20411a7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:13:28.845063Z","signature_b64":"hWy45zNO9dZWWeVbVVAPVPpsJqRxfj2Lryp61trsH4qcBytpThSwE1+SKH6rAX2wbtEKAWndW15m2Xe+0/3rAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4462413acb0b6c1aa548bcf3e3d49862a803b61d1e7b49e450b62837a20411a7","last_reissued_at":"2026-05-18T01:13:28.844508Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:13:28.844508Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.6935","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:13:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WaxR/T/SlwBA5kYx7DF/mTTU5oeaw2gJMHsle5ETROwLEjnDx6dZem6xh+kHLavuSJENetxqik6mWGitkgHLCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T15:51:36.075086Z"},"content_sha256":"0e08a15bde1cbf05732e3a5f88d68c407de63c1db32583e209b2690c93d47450","schema_version":"1.0","event_id":"sha256:0e08a15bde1cbf05732e3a5f88d68c407de63c1db32583e209b2690c93d47450"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:IRRECOWLBNWBVJKIXTZ6HVEYMK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pairwise thermal entanglement in Ising-XYZ diamond chain structure in an external magnetic field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.str-el","authors_text":"J. Torrico, M. Rojas, N. S. Ananikyan, Onofre Rojas, S. M. de Souza","submitted_at":"2014-09-24T13:02:45Z","abstract_excerpt":"Quantum entanglement is one of the most fascinating types of correlation that can be shared only among quantum systems. The Heisenberg chain is one of the simplest quantum chains which exhibits a reach entanglement feature, due to the Heisenberg interaction is quantum coupling in the spin system. The two particles were coupled trough XYZ coupling or simply called as two-qubit XYZ spin, which are the responsible for the emergence of thermal entanglement. These two-qubit operators are bonded to two nodal Ising spins, and this process is repeated infinitely resulting in a diamond chain structure."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.6935","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":""},"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":"2026-05-18T01:13:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F3Ky/VX6ozXyDjpBqEFiuOWfPeiNCYlYywEysmBR9YG5GZvSLH+c0+T4e7qF3+q2gkSIijeVNoZwENd+eJOdDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T15:51:36.075465Z"},"content_sha256":"b7cb1838665a0b130bddd674592819c82f29aa6da29dfdaabb81894efa5946e3","schema_version":"1.0","event_id":"sha256:b7cb1838665a0b130bddd674592819c82f29aa6da29dfdaabb81894efa5946e3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IRRECOWLBNWBVJKIXTZ6HVEYMK/bundle.json","state_url":"https://pith.science/pith/IRRECOWLBNWBVJKIXTZ6HVEYMK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IRRECOWLBNWBVJKIXTZ6HVEYMK/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":"2026-06-02T15:51:36Z","links":{"resolver":"https://pith.science/pith/IRRECOWLBNWBVJKIXTZ6HVEYMK","bundle":"https://pith.science/pith/IRRECOWLBNWBVJKIXTZ6HVEYMK/bundle.json","state":"https://pith.science/pith/IRRECOWLBNWBVJKIXTZ6HVEYMK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IRRECOWLBNWBVJKIXTZ6HVEYMK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:IRRECOWLBNWBVJKIXTZ6HVEYMK","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":"8900eb24f44fb8ba806d3c905374556a3a1f0ff742cac617edcafb67b4c28b39","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-09-24T13:02:45Z","title_canon_sha256":"d21c47b824a0a9689d6401c1677d0bcfcd7818e193e41e5542f6d924fc44d526"},"schema_version":"1.0","source":{"id":"1409.6935","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.6935","created_at":"2026-05-18T01:13:28Z"},{"alias_kind":"arxiv_version","alias_value":"1409.6935v1","created_at":"2026-05-18T01:13:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.6935","created_at":"2026-05-18T01:13:28Z"},{"alias_kind":"pith_short_12","alias_value":"IRRECOWLBNWB","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IRRECOWLBNWBVJKI","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IRRECOWL","created_at":"2026-05-18T12:28:33Z"}],"graph_snapshots":[{"event_id":"sha256:b7cb1838665a0b130bddd674592819c82f29aa6da29dfdaabb81894efa5946e3","target":"graph","created_at":"2026-05-18T01:13:28Z","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":"Quantum entanglement is one of the most fascinating types of correlation that can be shared only among quantum systems. The Heisenberg chain is one of the simplest quantum chains which exhibits a reach entanglement feature, due to the Heisenberg interaction is quantum coupling in the spin system. The two particles were coupled trough XYZ coupling or simply called as two-qubit XYZ spin, which are the responsible for the emergence of thermal entanglement. These two-qubit operators are bonded to two nodal Ising spins, and this process is repeated infinitely resulting in a diamond chain structure.","authors_text":"J. Torrico, M. Rojas, N. S. Ananikyan, Onofre Rojas, S. M. de Souza","cross_cats":["cond-mat.stat-mech"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-09-24T13:02:45Z","title":"Pairwise thermal entanglement in Ising-XYZ diamond chain structure in an external magnetic field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.6935","kind":"arxiv","version":1},"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":"sha256:0e08a15bde1cbf05732e3a5f88d68c407de63c1db32583e209b2690c93d47450","target":"record","created_at":"2026-05-18T01:13:28Z","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":"8900eb24f44fb8ba806d3c905374556a3a1f0ff742cac617edcafb67b4c28b39","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-09-24T13:02:45Z","title_canon_sha256":"d21c47b824a0a9689d6401c1677d0bcfcd7818e193e41e5542f6d924fc44d526"},"schema_version":"1.0","source":{"id":"1409.6935","kind":"arxiv","version":1}},"canonical_sha256":"4462413acb0b6c1aa548bcf3e3d49862a803b61d1e7b49e450b62837a20411a7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4462413acb0b6c1aa548bcf3e3d49862a803b61d1e7b49e450b62837a20411a7","first_computed_at":"2026-05-18T01:13:28.844508Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:13:28.844508Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hWy45zNO9dZWWeVbVVAPVPpsJqRxfj2Lryp61trsH4qcBytpThSwE1+SKH6rAX2wbtEKAWndW15m2Xe+0/3rAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:13:28.845063Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.6935","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0e08a15bde1cbf05732e3a5f88d68c407de63c1db32583e209b2690c93d47450","sha256:b7cb1838665a0b130bddd674592819c82f29aa6da29dfdaabb81894efa5946e3"],"state_sha256":"2b0fa4bfede990e1ec46369d64f29b1a671dadf47b186aef3fb36370a2f5275f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aNb+DlHxNuMHsfkuDR0cnKmSoLk8r+doUWmFfBsqinGMZu3q0hsqTNR3eUDt6Bb4HI/m1Ml+DxaMe1nj0MOFCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T15:51:36.077403Z","bundle_sha256":"593bfd24b48b44c887b9c428657a3bfeb80205eaa69fda0c705263870cd7cb6f"}}