{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:6CQVRWA33J4JHRYHHLTYKLWQJS","short_pith_number":"pith:6CQVRWA3","canonical_record":{"source":{"id":"1008.1093","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-08-05T21:56:14Z","cross_cats_sorted":[],"title_canon_sha256":"1b1c0ec7dd6b7fa271e435207b45c1d4921e1ec7e25d8618a7143a3b6397b818","abstract_canon_sha256":"dc85f08a9e521118c6d3a1bb1fd46fd274e5407f1f353295821799233e4bcb43"},"schema_version":"1.0"},"canonical_sha256":"f0a158d81bda7893c7073ae7852ed04c9edac1f65a61983ffd6adee5ccd1d922","source":{"kind":"arxiv","id":"1008.1093","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.1093","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"arxiv_version","alias_value":"1008.1093v1","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.1093","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"pith_short_12","alias_value":"6CQVRWA33J4J","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"6CQVRWA33J4JHRYH","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"6CQVRWA3","created_at":"2026-05-18T12:26:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:6CQVRWA33J4JHRYHHLTYKLWQJS","target":"record","payload":{"canonical_record":{"source":{"id":"1008.1093","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-08-05T21:56:14Z","cross_cats_sorted":[],"title_canon_sha256":"1b1c0ec7dd6b7fa271e435207b45c1d4921e1ec7e25d8618a7143a3b6397b818","abstract_canon_sha256":"dc85f08a9e521118c6d3a1bb1fd46fd274e5407f1f353295821799233e4bcb43"},"schema_version":"1.0"},"canonical_sha256":"f0a158d81bda7893c7073ae7852ed04c9edac1f65a61983ffd6adee5ccd1d922","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:58.617332Z","signature_b64":"WhE/JqH7HhSNGSFCCgjz4soWTJe8m+Ol5X2o8tio/Fp+e2to3OTW/MbADv7s76e33ddcAJMEOrMG29YemBd/Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f0a158d81bda7893c7073ae7852ed04c9edac1f65a61983ffd6adee5ccd1d922","last_reissued_at":"2026-05-18T02:05:58.616523Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:58.616523Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.1093","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":"2026-05-18T02:05:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5fhjFARhDrYVtRe49/irtdHSbMWD3lAePV9r3OKN7E3YSA34z90vZOm/KQu/f7CrmbkjmR+XzFoQwaoFgpAgAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T01:35:45.122062Z"},"content_sha256":"55aa56b288192be0b574515c0c66e240472bc5f8641d6b5e725fb5c128d3c750","schema_version":"1.0","event_id":"sha256:55aa56b288192be0b574515c0c66e240472bc5f8641d6b5e725fb5c128d3c750"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:6CQVRWA33J4JHRYHHLTYKLWQJS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum phase transitions in coupled two-level atoms in a single-mode cavity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Ke-Lin Wang, Qing-Hu Chen, Tao Liu, Yu-Yu Zhang","submitted_at":"2010-08-05T21:56:14Z","abstract_excerpt":"The dipole-coupled two-level atoms(qubits) in a single-mode resonant cavity is studied by extended bosonic coherent states. The numerically exact solution is presented. For finite systems, the first-order quantum phase transitions occur at the strong interatomic interaction. Similar to the original Dicke model, this system exhibits a second-order quantum phase transition from the normal to the superradiant phases. Finite-size scaling for several observables, such as the average fidelity susceptibility, the order parameter, and concurrence are performed for different interatomic interactions. T"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.1093","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":"2026-05-18T02:05:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"exC22gPNg/Aolm+dDgHECpkyeJgji+84r9WIGq3HrRCZOQFxIj7t24jAkT13im+vMwWA/A5NE4xgMdhr/ZnMCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T01:35:45.122584Z"},"content_sha256":"1d2e3ccebfd3e118ffc794af5164b296fe6e0e09edc508ffa56545cd76c9182d","schema_version":"1.0","event_id":"sha256:1d2e3ccebfd3e118ffc794af5164b296fe6e0e09edc508ffa56545cd76c9182d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6CQVRWA33J4JHRYHHLTYKLWQJS/bundle.json","state_url":"https://pith.science/pith/6CQVRWA33J4JHRYHHLTYKLWQJS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6CQVRWA33J4JHRYHHLTYKLWQJS/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":"2026-06-05T01:35:45Z","links":{"resolver":"https://pith.science/pith/6CQVRWA33J4JHRYHHLTYKLWQJS","bundle":"https://pith.science/pith/6CQVRWA33J4JHRYHHLTYKLWQJS/bundle.json","state":"https://pith.science/pith/6CQVRWA33J4JHRYHHLTYKLWQJS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6CQVRWA33J4JHRYHHLTYKLWQJS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:6CQVRWA33J4JHRYHHLTYKLWQJS","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":"dc85f08a9e521118c6d3a1bb1fd46fd274e5407f1f353295821799233e4bcb43","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-08-05T21:56:14Z","title_canon_sha256":"1b1c0ec7dd6b7fa271e435207b45c1d4921e1ec7e25d8618a7143a3b6397b818"},"schema_version":"1.0","source":{"id":"1008.1093","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.1093","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"arxiv_version","alias_value":"1008.1093v1","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.1093","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"pith_short_12","alias_value":"6CQVRWA33J4J","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"6CQVRWA33J4JHRYH","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"6CQVRWA3","created_at":"2026-05-18T12:26:04Z"}],"graph_snapshots":[{"event_id":"sha256:1d2e3ccebfd3e118ffc794af5164b296fe6e0e09edc508ffa56545cd76c9182d","target":"graph","created_at":"2026-05-18T02:05:58Z","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":"The dipole-coupled two-level atoms(qubits) in a single-mode resonant cavity is studied by extended bosonic coherent states. The numerically exact solution is presented. For finite systems, the first-order quantum phase transitions occur at the strong interatomic interaction. Similar to the original Dicke model, this system exhibits a second-order quantum phase transition from the normal to the superradiant phases. Finite-size scaling for several observables, such as the average fidelity susceptibility, the order parameter, and concurrence are performed for different interatomic interactions. T","authors_text":"Ke-Lin Wang, Qing-Hu Chen, Tao Liu, Yu-Yu Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-08-05T21:56:14Z","title":"Quantum phase transitions in coupled two-level atoms in a single-mode cavity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.1093","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":"sha256:55aa56b288192be0b574515c0c66e240472bc5f8641d6b5e725fb5c128d3c750","target":"record","created_at":"2026-05-18T02:05:58Z","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":"dc85f08a9e521118c6d3a1bb1fd46fd274e5407f1f353295821799233e4bcb43","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-08-05T21:56:14Z","title_canon_sha256":"1b1c0ec7dd6b7fa271e435207b45c1d4921e1ec7e25d8618a7143a3b6397b818"},"schema_version":"1.0","source":{"id":"1008.1093","kind":"arxiv","version":1}},"canonical_sha256":"f0a158d81bda7893c7073ae7852ed04c9edac1f65a61983ffd6adee5ccd1d922","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f0a158d81bda7893c7073ae7852ed04c9edac1f65a61983ffd6adee5ccd1d922","first_computed_at":"2026-05-18T02:05:58.616523Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:58.616523Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WhE/JqH7HhSNGSFCCgjz4soWTJe8m+Ol5X2o8tio/Fp+e2to3OTW/MbADv7s76e33ddcAJMEOrMG29YemBd/Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:58.617332Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.1093","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:55aa56b288192be0b574515c0c66e240472bc5f8641d6b5e725fb5c128d3c750","sha256:1d2e3ccebfd3e118ffc794af5164b296fe6e0e09edc508ffa56545cd76c9182d"],"state_sha256":"50e9145a0d13012489a9a6cda2faa728dbdfe517467c9fa45fcff0c1ada51921"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TT3KGmZ1NIaxDGeWb8Yz7pJTMycTJHaJtxNGsCRrm36NpSWIT4JGaxcm+F2JdLimuah2uJVdtlwtXY3XoO4hDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T01:35:45.125295Z","bundle_sha256":"915bc91c0dd8fd5917cf6ce41c4daa72a15b642cc2649b4b1838d6d1ef21ec9d"}}