{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:BLVJRUOZCJAWKPXBVWL5IBS4HW","short_pith_number":"pith:BLVJRUOZ","canonical_record":{"source":{"id":"1211.4925","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-11-21T03:36:59Z","cross_cats_sorted":[],"title_canon_sha256":"ef074da2f0d012f4412969fc2de4eb885ef3a41084950c53353964d00ddfc64e","abstract_canon_sha256":"8017c724d8a960a732fb9f568c94dd1efdf5af734860dc00c92611f0b76233a3"},"schema_version":"1.0"},"canonical_sha256":"0aea98d1d91241653ee1ad97d4065c3d811808572341618cca769a3daf474785","source":{"kind":"arxiv","id":"1211.4925","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.4925","created_at":"2026-05-18T03:13:46Z"},{"alias_kind":"arxiv_version","alias_value":"1211.4925v1","created_at":"2026-05-18T03:13:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.4925","created_at":"2026-05-18T03:13:46Z"},{"alias_kind":"pith_short_12","alias_value":"BLVJRUOZCJAW","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"BLVJRUOZCJAWKPXB","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"BLVJRUOZ","created_at":"2026-05-18T12:27:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:BLVJRUOZCJAWKPXBVWL5IBS4HW","target":"record","payload":{"canonical_record":{"source":{"id":"1211.4925","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-11-21T03:36:59Z","cross_cats_sorted":[],"title_canon_sha256":"ef074da2f0d012f4412969fc2de4eb885ef3a41084950c53353964d00ddfc64e","abstract_canon_sha256":"8017c724d8a960a732fb9f568c94dd1efdf5af734860dc00c92611f0b76233a3"},"schema_version":"1.0"},"canonical_sha256":"0aea98d1d91241653ee1ad97d4065c3d811808572341618cca769a3daf474785","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:13:46.311387Z","signature_b64":"Sah4i70a+lTapDpItVBDfgKcC5ERBkpiFTmEoJnYPc/MhiMY/xX/6ci0NcG4PZOUJ5WVUiaiTQz3aKgxqfmKBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0aea98d1d91241653ee1ad97d4065c3d811808572341618cca769a3daf474785","last_reissued_at":"2026-05-18T03:13:46.310757Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:13:46.310757Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1211.4925","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":"2026-05-18T03:13:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"be9vpdC2IZ9R1qtUqX4z5lCYJxuktd7gtm1Nb3EoXbsjw0ozg106lbqD2UVFK2rKynAcBX5LiqidSa8Mrba1Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:18:03.825583Z"},"content_sha256":"d80fafa3eda6caeed23c708f75904042aa30305aa852566bf6a48841aff88732","schema_version":"1.0","event_id":"sha256:d80fafa3eda6caeed23c708f75904042aa30305aa852566bf6a48841aff88732"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:BLVJRUOZCJAWKPXBVWL5IBS4HW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum fidelity for degenerate groundstates in quantum phase transitions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"Bing-Quan Hu, Sam Young Cho, Sheng-Hao Li, Yao Heng Su","submitted_at":"2012-11-21T03:36:59Z","abstract_excerpt":"Spontaneous symmetry breaking mechanism in quantum phase transitions manifests the existence of degenerate groundstates in broken symmetry phases. To detect such degenerate groundstates, we introduce a quantum fidelity as an overlap measurement between system groundstates and an arbitrary reference state. This quantum fidelity is shown a multiple bifurcation as an indicator of quantum phase transitions, without knowing any detailed broken symmetry, between a broken symmetry phase and symmetry phases as well as between a broken symmetry phase and other broken symmetry phases, when a system para"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.4925","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":"2026-05-18T03:13:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DBdggz71A25cRhd5rL+y1m3RbuKJchq4k8WUdl2zhCaqnzCX4PMWi35tlgC2WIiTn4xmaSbc5rU18wvYQ3hEDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:18:03.825935Z"},"content_sha256":"c5bde40572ad2c261217790d8f3cd80ae24c02377772fbe2f73222b8c9c03b61","schema_version":"1.0","event_id":"sha256:c5bde40572ad2c261217790d8f3cd80ae24c02377772fbe2f73222b8c9c03b61"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BLVJRUOZCJAWKPXBVWL5IBS4HW/bundle.json","state_url":"https://pith.science/pith/BLVJRUOZCJAWKPXBVWL5IBS4HW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BLVJRUOZCJAWKPXBVWL5IBS4HW/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":"2026-05-28T07:18:03Z","links":{"resolver":"https://pith.science/pith/BLVJRUOZCJAWKPXBVWL5IBS4HW","bundle":"https://pith.science/pith/BLVJRUOZCJAWKPXBVWL5IBS4HW/bundle.json","state":"https://pith.science/pith/BLVJRUOZCJAWKPXBVWL5IBS4HW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BLVJRUOZCJAWKPXBVWL5IBS4HW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:BLVJRUOZCJAWKPXBVWL5IBS4HW","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":"8017c724d8a960a732fb9f568c94dd1efdf5af734860dc00c92611f0b76233a3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-11-21T03:36:59Z","title_canon_sha256":"ef074da2f0d012f4412969fc2de4eb885ef3a41084950c53353964d00ddfc64e"},"schema_version":"1.0","source":{"id":"1211.4925","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.4925","created_at":"2026-05-18T03:13:46Z"},{"alias_kind":"arxiv_version","alias_value":"1211.4925v1","created_at":"2026-05-18T03:13:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.4925","created_at":"2026-05-18T03:13:46Z"},{"alias_kind":"pith_short_12","alias_value":"BLVJRUOZCJAW","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"BLVJRUOZCJAWKPXB","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"BLVJRUOZ","created_at":"2026-05-18T12:27:01Z"}],"graph_snapshots":[{"event_id":"sha256:c5bde40572ad2c261217790d8f3cd80ae24c02377772fbe2f73222b8c9c03b61","target":"graph","created_at":"2026-05-18T03:13:46Z","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":"Spontaneous symmetry breaking mechanism in quantum phase transitions manifests the existence of degenerate groundstates in broken symmetry phases. To detect such degenerate groundstates, we introduce a quantum fidelity as an overlap measurement between system groundstates and an arbitrary reference state. This quantum fidelity is shown a multiple bifurcation as an indicator of quantum phase transitions, without knowing any detailed broken symmetry, between a broken symmetry phase and symmetry phases as well as between a broken symmetry phase and other broken symmetry phases, when a system para","authors_text":"Bing-Quan Hu, Sam Young Cho, Sheng-Hao Li, Yao Heng Su","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-11-21T03:36:59Z","title":"Quantum fidelity for degenerate groundstates in quantum phase transitions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.4925","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:d80fafa3eda6caeed23c708f75904042aa30305aa852566bf6a48841aff88732","target":"record","created_at":"2026-05-18T03:13:46Z","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":"8017c724d8a960a732fb9f568c94dd1efdf5af734860dc00c92611f0b76233a3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-11-21T03:36:59Z","title_canon_sha256":"ef074da2f0d012f4412969fc2de4eb885ef3a41084950c53353964d00ddfc64e"},"schema_version":"1.0","source":{"id":"1211.4925","kind":"arxiv","version":1}},"canonical_sha256":"0aea98d1d91241653ee1ad97d4065c3d811808572341618cca769a3daf474785","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0aea98d1d91241653ee1ad97d4065c3d811808572341618cca769a3daf474785","first_computed_at":"2026-05-18T03:13:46.310757Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:13:46.310757Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Sah4i70a+lTapDpItVBDfgKcC5ERBkpiFTmEoJnYPc/MhiMY/xX/6ci0NcG4PZOUJ5WVUiaiTQz3aKgxqfmKBw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:13:46.311387Z","signed_message":"canonical_sha256_bytes"},"source_id":"1211.4925","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d80fafa3eda6caeed23c708f75904042aa30305aa852566bf6a48841aff88732","sha256:c5bde40572ad2c261217790d8f3cd80ae24c02377772fbe2f73222b8c9c03b61"],"state_sha256":"3e5acccc9a693b46d188f1e46bdabef85cf09912a48ee05f3cc41958aa670518"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XqkXGhTXzVHwyDFRhDUvcpwRsmBzEN9JbUiuQvAwgSAVsOt+5o3ErKU6ZQZ2lN3QVVt8dAn28dhEe0ku16fECw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T07:18:03.828343Z","bundle_sha256":"35e3e62dc9b95fec06f6c70c4b88dfacb5dde73cbefe5db748ed89abcda5b358"}}