{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:IMZLR3ALIHGUSUQ3OPQ6RQLP5A","short_pith_number":"pith:IMZLR3AL","canonical_record":{"source":{"id":"1405.1123","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-05-06T01:57:46Z","cross_cats_sorted":[],"title_canon_sha256":"e5a13113b2d7aee96e376a7b10b086e73b5e38d602e1fc5abbda8d271fdf6fad","abstract_canon_sha256":"fcf43cabe51486f61043707442d085d064f7ee21addf1cd48d759fb0b1fcd2bf"},"schema_version":"1.0"},"canonical_sha256":"4332b8ec0b41cd49521b73e1e8c16fe82fc30a04fc313497801d7b7db2d2e934","source":{"kind":"arxiv","id":"1405.1123","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.1123","created_at":"2026-05-18T02:52:33Z"},{"alias_kind":"arxiv_version","alias_value":"1405.1123v1","created_at":"2026-05-18T02:52:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.1123","created_at":"2026-05-18T02:52:33Z"},{"alias_kind":"pith_short_12","alias_value":"IMZLR3ALIHGU","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IMZLR3ALIHGUSUQ3","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IMZLR3AL","created_at":"2026-05-18T12:28:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:IMZLR3ALIHGUSUQ3OPQ6RQLP5A","target":"record","payload":{"canonical_record":{"source":{"id":"1405.1123","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-05-06T01:57:46Z","cross_cats_sorted":[],"title_canon_sha256":"e5a13113b2d7aee96e376a7b10b086e73b5e38d602e1fc5abbda8d271fdf6fad","abstract_canon_sha256":"fcf43cabe51486f61043707442d085d064f7ee21addf1cd48d759fb0b1fcd2bf"},"schema_version":"1.0"},"canonical_sha256":"4332b8ec0b41cd49521b73e1e8c16fe82fc30a04fc313497801d7b7db2d2e934","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:52:33.435723Z","signature_b64":"2e8GYAso8YO5CW1LUon6wCoBSpKyJNq0CD/QrPxuLHL+ZunPI3KVJlWAdelcsG98dR7ENqXoNthxgENZucqxCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4332b8ec0b41cd49521b73e1e8c16fe82fc30a04fc313497801d7b7db2d2e934","last_reissued_at":"2026-05-18T02:52:33.435246Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:52:33.435246Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1405.1123","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":"2026-05-18T02:52:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4kcIr53lwKNDZJJGy+BBwbf8A5dK+yKOU6WCG3OZEaM1noULxvGZByN/SH+cwWRjGd/PnNcGrFpTy6Jgmv7uDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:07:02.378645Z"},"content_sha256":"dbaff1b0426dfac54d07d924222f63b5e23bc66fce59a67ab434840fce8a72a7","schema_version":"1.0","event_id":"sha256:dbaff1b0426dfac54d07d924222f63b5e23bc66fce59a67ab434840fce8a72a7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:IMZLR3ALIHGUSUQ3OPQ6RQLP5A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Renormalized quantum Fisher information manifestation of Berezinskii-Kosterlitz-Thouless phase transition for spin-1/2 XXZ chain","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Qiang Zheng, Xun-Wei Xu, Yao Yao, Yong Li","submitted_at":"2014-05-06T01:57:46Z","abstract_excerpt":"Combining the ideas of quantum Fisher information and quantum renormalization group method, the Berezinskii-Kosterlitz-Thouless quantum phase transition of spin- 1/2 XXZ chain is investigated. Quantum Fisher informations of the whole N sites and the partial N/3 sites are studied. They display very similar behaviors, even though their mathematical formulas are very different from each other. The universally critical exponent of quantum Fisher information is obtained as beta=0.47, which is consistent with the results obtained by the renormalized concurrence or discord. We also discuss the relati"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.1123","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":"2026-05-18T02:52:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5Z5vjd9Z/3p8NOyS24ZJ4Rmkalp5xNT6UlBNkzmXenWiEZ0x+SOITqHviUByou5jNdmPf2ouIWwaCmNeHqX7DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:07:02.379250Z"},"content_sha256":"6265a23f47e9ec1cf6e2b54f40b0f1ce95c2a25daba0804247bd53601e3a4f10","schema_version":"1.0","event_id":"sha256:6265a23f47e9ec1cf6e2b54f40b0f1ce95c2a25daba0804247bd53601e3a4f10"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IMZLR3ALIHGUSUQ3OPQ6RQLP5A/bundle.json","state_url":"https://pith.science/pith/IMZLR3ALIHGUSUQ3OPQ6RQLP5A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IMZLR3ALIHGUSUQ3OPQ6RQLP5A/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":"2026-05-25T16:07:02Z","links":{"resolver":"https://pith.science/pith/IMZLR3ALIHGUSUQ3OPQ6RQLP5A","bundle":"https://pith.science/pith/IMZLR3ALIHGUSUQ3OPQ6RQLP5A/bundle.json","state":"https://pith.science/pith/IMZLR3ALIHGUSUQ3OPQ6RQLP5A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IMZLR3ALIHGUSUQ3OPQ6RQLP5A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:IMZLR3ALIHGUSUQ3OPQ6RQLP5A","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":"fcf43cabe51486f61043707442d085d064f7ee21addf1cd48d759fb0b1fcd2bf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-05-06T01:57:46Z","title_canon_sha256":"e5a13113b2d7aee96e376a7b10b086e73b5e38d602e1fc5abbda8d271fdf6fad"},"schema_version":"1.0","source":{"id":"1405.1123","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.1123","created_at":"2026-05-18T02:52:33Z"},{"alias_kind":"arxiv_version","alias_value":"1405.1123v1","created_at":"2026-05-18T02:52:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.1123","created_at":"2026-05-18T02:52:33Z"},{"alias_kind":"pith_short_12","alias_value":"IMZLR3ALIHGU","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IMZLR3ALIHGUSUQ3","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IMZLR3AL","created_at":"2026-05-18T12:28:33Z"}],"graph_snapshots":[{"event_id":"sha256:6265a23f47e9ec1cf6e2b54f40b0f1ce95c2a25daba0804247bd53601e3a4f10","target":"graph","created_at":"2026-05-18T02:52:33Z","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":"Combining the ideas of quantum Fisher information and quantum renormalization group method, the Berezinskii-Kosterlitz-Thouless quantum phase transition of spin- 1/2 XXZ chain is investigated. Quantum Fisher informations of the whole N sites and the partial N/3 sites are studied. They display very similar behaviors, even though their mathematical formulas are very different from each other. The universally critical exponent of quantum Fisher information is obtained as beta=0.47, which is consistent with the results obtained by the renormalized concurrence or discord. We also discuss the relati","authors_text":"Qiang Zheng, Xun-Wei Xu, Yao Yao, Yong Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-05-06T01:57:46Z","title":"Renormalized quantum Fisher information manifestation of Berezinskii-Kosterlitz-Thouless phase transition for spin-1/2 XXZ chain"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.1123","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:dbaff1b0426dfac54d07d924222f63b5e23bc66fce59a67ab434840fce8a72a7","target":"record","created_at":"2026-05-18T02:52:33Z","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":"fcf43cabe51486f61043707442d085d064f7ee21addf1cd48d759fb0b1fcd2bf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-05-06T01:57:46Z","title_canon_sha256":"e5a13113b2d7aee96e376a7b10b086e73b5e38d602e1fc5abbda8d271fdf6fad"},"schema_version":"1.0","source":{"id":"1405.1123","kind":"arxiv","version":1}},"canonical_sha256":"4332b8ec0b41cd49521b73e1e8c16fe82fc30a04fc313497801d7b7db2d2e934","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4332b8ec0b41cd49521b73e1e8c16fe82fc30a04fc313497801d7b7db2d2e934","first_computed_at":"2026-05-18T02:52:33.435246Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:52:33.435246Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2e8GYAso8YO5CW1LUon6wCoBSpKyJNq0CD/QrPxuLHL+ZunPI3KVJlWAdelcsG98dR7ENqXoNthxgENZucqxCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:52:33.435723Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.1123","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dbaff1b0426dfac54d07d924222f63b5e23bc66fce59a67ab434840fce8a72a7","sha256:6265a23f47e9ec1cf6e2b54f40b0f1ce95c2a25daba0804247bd53601e3a4f10"],"state_sha256":"2c63eec2a607cc595ff633de860f71ea844af6083a0250a9a914f424a04065fd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Sfn6B/nywgaVRiptvnQepQIjZcS0pDYXhWGUNZNg9Kl3b49hRs0tHPQe3kmv9pMUiPwNJibbeMPdSsVZsc+lBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T16:07:02.382546Z","bundle_sha256":"2fa856273e3f671147195a61bb4c17e057d21e62bbedb4b13a69ccc3aa3a5272"}}