{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:PY52R3MQCOMY5JKZPT4FLMIN7O","short_pith_number":"pith:PY52R3MQ","canonical_record":{"source":{"id":"1604.00668","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-04-03T18:41:04Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"7d47b36d5245eca4d6e6fd0c680aef96933bb5607b5919bdea08e2f4a79ca5ba","abstract_canon_sha256":"8247c3195922b8ede03fcc98ed9b9f5d17b62d90b973948cdd6fdc477ad4ed46"},"schema_version":"1.0"},"canonical_sha256":"7e3ba8ed9013998ea5597cf855b10dfb8a24c2c740aea2e77a29cfe8af1ede8e","source":{"kind":"arxiv","id":"1604.00668","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.00668","created_at":"2026-05-18T01:17:48Z"},{"alias_kind":"arxiv_version","alias_value":"1604.00668v1","created_at":"2026-05-18T01:17:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.00668","created_at":"2026-05-18T01:17:48Z"},{"alias_kind":"pith_short_12","alias_value":"PY52R3MQCOMY","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"PY52R3MQCOMY5JKZ","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"PY52R3MQ","created_at":"2026-05-18T12:30:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:PY52R3MQCOMY5JKZPT4FLMIN7O","target":"record","payload":{"canonical_record":{"source":{"id":"1604.00668","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-04-03T18:41:04Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"7d47b36d5245eca4d6e6fd0c680aef96933bb5607b5919bdea08e2f4a79ca5ba","abstract_canon_sha256":"8247c3195922b8ede03fcc98ed9b9f5d17b62d90b973948cdd6fdc477ad4ed46"},"schema_version":"1.0"},"canonical_sha256":"7e3ba8ed9013998ea5597cf855b10dfb8a24c2c740aea2e77a29cfe8af1ede8e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:48.706516Z","signature_b64":"OPe+c3WqpERGIjHtpCSKkA/dfBHOdvxnaJujOHdMnbe6GxKn22H6VzUus8HFfemY6eub/aCp+f9hSqlVg5JEBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7e3ba8ed9013998ea5597cf855b10dfb8a24c2c740aea2e77a29cfe8af1ede8e","last_reissued_at":"2026-05-18T01:17:48.705749Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:48.705749Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.00668","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":"2026-05-18T01:17:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v3huwegvun6gdGJYr3G1bUhjPgZzNJt8d8HRDoJibT11Y0EukJqH/kLv4AcetVEZcYUueCHzzpl77RMHOXRwCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:36:22.675883Z"},"content_sha256":"172d7233f45799a316501c14bd9de833b6eb12d49d907e329c6d734e98e0868f","schema_version":"1.0","event_id":"sha256:172d7233f45799a316501c14bd9de833b6eb12d49d907e329c6d734e98e0868f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:PY52R3MQCOMY5JKZPT4FLMIN7O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum-classical equivalence and ground-state factorization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.stat-mech","authors_text":"Jahanfar Abouie, Reza Sepehrinia","submitted_at":"2016-04-03T18:41:04Z","abstract_excerpt":"We have performed an analytical study of quantum-classical equivalence for quantum $XY$-spin chains with arbitrary interactions to explore the classical counterpart of the factorizing magnetic fields that drive the system into a separable ground state. We demonstrate that the factorizing line in parameter space of a quantum model is equivalent to the so-called natural boundary that emerges in mapping the quantum $XY$-model onto the two dimensional classical Ising model. As a result, we show that the quantum systems with the non-factorizable ground state could not be mapped onto the classical I"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.00668","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":"2026-05-18T01:17:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4rl9iTOqlU9jckzXZl2Z5UfLwMlXX1kR/y9jt08sLC2LhHVstyCNvUhpNA6DHZcwmtGTtxcBWLmrR4N/wfYwBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:36:22.676549Z"},"content_sha256":"b5f1b6a48827505a3899b52ea75134f1bf9790e2f2edf118180157dd373685fa","schema_version":"1.0","event_id":"sha256:b5f1b6a48827505a3899b52ea75134f1bf9790e2f2edf118180157dd373685fa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PY52R3MQCOMY5JKZPT4FLMIN7O/bundle.json","state_url":"https://pith.science/pith/PY52R3MQCOMY5JKZPT4FLMIN7O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PY52R3MQCOMY5JKZPT4FLMIN7O/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":"2026-05-25T20:36:22Z","links":{"resolver":"https://pith.science/pith/PY52R3MQCOMY5JKZPT4FLMIN7O","bundle":"https://pith.science/pith/PY52R3MQCOMY5JKZPT4FLMIN7O/bundle.json","state":"https://pith.science/pith/PY52R3MQCOMY5JKZPT4FLMIN7O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PY52R3MQCOMY5JKZPT4FLMIN7O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:PY52R3MQCOMY5JKZPT4FLMIN7O","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":"8247c3195922b8ede03fcc98ed9b9f5d17b62d90b973948cdd6fdc477ad4ed46","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-04-03T18:41:04Z","title_canon_sha256":"7d47b36d5245eca4d6e6fd0c680aef96933bb5607b5919bdea08e2f4a79ca5ba"},"schema_version":"1.0","source":{"id":"1604.00668","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.00668","created_at":"2026-05-18T01:17:48Z"},{"alias_kind":"arxiv_version","alias_value":"1604.00668v1","created_at":"2026-05-18T01:17:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.00668","created_at":"2026-05-18T01:17:48Z"},{"alias_kind":"pith_short_12","alias_value":"PY52R3MQCOMY","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"PY52R3MQCOMY5JKZ","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"PY52R3MQ","created_at":"2026-05-18T12:30:39Z"}],"graph_snapshots":[{"event_id":"sha256:b5f1b6a48827505a3899b52ea75134f1bf9790e2f2edf118180157dd373685fa","target":"graph","created_at":"2026-05-18T01:17:48Z","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 have performed an analytical study of quantum-classical equivalence for quantum $XY$-spin chains with arbitrary interactions to explore the classical counterpart of the factorizing magnetic fields that drive the system into a separable ground state. We demonstrate that the factorizing line in parameter space of a quantum model is equivalent to the so-called natural boundary that emerges in mapping the quantum $XY$-model onto the two dimensional classical Ising model. As a result, we show that the quantum systems with the non-factorizable ground state could not be mapped onto the classical I","authors_text":"Jahanfar Abouie, Reza Sepehrinia","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-04-03T18:41:04Z","title":"Quantum-classical equivalence and ground-state factorization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.00668","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":"sha256:172d7233f45799a316501c14bd9de833b6eb12d49d907e329c6d734e98e0868f","target":"record","created_at":"2026-05-18T01:17:48Z","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":"8247c3195922b8ede03fcc98ed9b9f5d17b62d90b973948cdd6fdc477ad4ed46","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-04-03T18:41:04Z","title_canon_sha256":"7d47b36d5245eca4d6e6fd0c680aef96933bb5607b5919bdea08e2f4a79ca5ba"},"schema_version":"1.0","source":{"id":"1604.00668","kind":"arxiv","version":1}},"canonical_sha256":"7e3ba8ed9013998ea5597cf855b10dfb8a24c2c740aea2e77a29cfe8af1ede8e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7e3ba8ed9013998ea5597cf855b10dfb8a24c2c740aea2e77a29cfe8af1ede8e","first_computed_at":"2026-05-18T01:17:48.705749Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:17:48.705749Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OPe+c3WqpERGIjHtpCSKkA/dfBHOdvxnaJujOHdMnbe6GxKn22H6VzUus8HFfemY6eub/aCp+f9hSqlVg5JEBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:17:48.706516Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.00668","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:172d7233f45799a316501c14bd9de833b6eb12d49d907e329c6d734e98e0868f","sha256:b5f1b6a48827505a3899b52ea75134f1bf9790e2f2edf118180157dd373685fa"],"state_sha256":"b52ebcecc288aa16b12e9fae5df66dbbc788f7db43e4974a0ad45d6b5b65af07"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FJz8cmyFN3Dfg3BRfFh6oaekH+W8yfzm9nl1bPMzVnyMM1KTJSslsDnLY2rp53rjFzO1r79a18Zp5In4eZZlDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T20:36:22.679209Z","bundle_sha256":"8b79a582bff78330defe359b3dcee6b88a0a9acfcbe548d3164ae99220de38a1"}}