{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:LOYPYY7MJN4EKVAOND4QQXL5WE","short_pith_number":"pith:LOYPYY7M","canonical_record":{"source":{"id":"1111.3016","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-11-13T14:02:33Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"852f16035705e1e664cbdcabf88ff2e464f25a24fd61da27115dcca8a064ea94","abstract_canon_sha256":"0cc30819be8d2ea99eb6b83b1254af4ac7c9292f5d0cf2342ebebbfb048d1aa2"},"schema_version":"1.0"},"canonical_sha256":"5bb0fc63ec4b7845540e68f9085d7db112a52f5ee16a26276bed7f12507565b1","source":{"kind":"arxiv","id":"1111.3016","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.3016","created_at":"2026-05-18T03:49:35Z"},{"alias_kind":"arxiv_version","alias_value":"1111.3016v4","created_at":"2026-05-18T03:49:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.3016","created_at":"2026-05-18T03:49:35Z"},{"alias_kind":"pith_short_12","alias_value":"LOYPYY7MJN4E","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"LOYPYY7MJN4EKVAO","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"LOYPYY7M","created_at":"2026-05-18T12:26:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:LOYPYY7MJN4EKVAOND4QQXL5WE","target":"record","payload":{"canonical_record":{"source":{"id":"1111.3016","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-11-13T14:02:33Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"852f16035705e1e664cbdcabf88ff2e464f25a24fd61da27115dcca8a064ea94","abstract_canon_sha256":"0cc30819be8d2ea99eb6b83b1254af4ac7c9292f5d0cf2342ebebbfb048d1aa2"},"schema_version":"1.0"},"canonical_sha256":"5bb0fc63ec4b7845540e68f9085d7db112a52f5ee16a26276bed7f12507565b1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:49:35.015557Z","signature_b64":"tfDW9pfAv4KKshqYIVz8izdwzrFz9A4tZRov3luoHyRSDkyLa8e3vo3/DgjAIAKs715ux19JCHAaInO5IXSnAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5bb0fc63ec4b7845540e68f9085d7db112a52f5ee16a26276bed7f12507565b1","last_reissued_at":"2026-05-18T03:49:35.014887Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:49:35.014887Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1111.3016","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:49:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JCOxVVpdR4lWYI/AnwwnTcisI+EPSEKMoleO5UgIJbpYotzv/Mvx6qmbv6oD0ae1EB7yc2x4JkyEvRU2jLsWCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T01:02:49.852416Z"},"content_sha256":"360f5d3d48835ba1ec392b38aa9738802c901d1afe56d211122ead4941c209fb","schema_version":"1.0","event_id":"sha256:360f5d3d48835ba1ec392b38aa9738802c901d1afe56d211122ead4941c209fb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:LOYPYY7MJN4EKVAOND4QQXL5WE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Entanglement dynamics of a superconducting phase qubit coupled to a two-level system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Bo Mao, Guozhu Sun, Peiheng Wu, Siyuan Han, Xueda Wen, Zhongyuan Zhou","submitted_at":"2011-11-13T14:02:33Z","abstract_excerpt":"We report the observation and quantitative characterization of driven and spontaneous oscillations of quantum entanglement, as measured by concurrence, in a bipartite system consisting of a macroscopic Josephson phase qubit coupled to a microscopic two-level system. The data clearly show the behavior of entanglement dynamics such as sudden death and revival, and the effect of decoherence and ac driving on entanglement."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.3016","kind":"arxiv","version":4},"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":"2026-05-18T03:49:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UcIV9LLcY2V4cuIF2H7MIUjkdJvv1HLcsDf042vNAB490WKembzfCq5ia3hv98/uevJ/iNUBvyRZO0xJbFUtCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T01:02:49.852767Z"},"content_sha256":"3a5810ee1bca3ec4b154c3f9cb0cc3ad6dbaae999341875f09fd63c1d0ddaae9","schema_version":"1.0","event_id":"sha256:3a5810ee1bca3ec4b154c3f9cb0cc3ad6dbaae999341875f09fd63c1d0ddaae9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LOYPYY7MJN4EKVAOND4QQXL5WE/bundle.json","state_url":"https://pith.science/pith/LOYPYY7MJN4EKVAOND4QQXL5WE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LOYPYY7MJN4EKVAOND4QQXL5WE/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":"2026-06-02T01:02:49Z","links":{"resolver":"https://pith.science/pith/LOYPYY7MJN4EKVAOND4QQXL5WE","bundle":"https://pith.science/pith/LOYPYY7MJN4EKVAOND4QQXL5WE/bundle.json","state":"https://pith.science/pith/LOYPYY7MJN4EKVAOND4QQXL5WE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LOYPYY7MJN4EKVAOND4QQXL5WE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:LOYPYY7MJN4EKVAOND4QQXL5WE","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":"0cc30819be8d2ea99eb6b83b1254af4ac7c9292f5d0cf2342ebebbfb048d1aa2","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-11-13T14:02:33Z","title_canon_sha256":"852f16035705e1e664cbdcabf88ff2e464f25a24fd61da27115dcca8a064ea94"},"schema_version":"1.0","source":{"id":"1111.3016","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.3016","created_at":"2026-05-18T03:49:35Z"},{"alias_kind":"arxiv_version","alias_value":"1111.3016v4","created_at":"2026-05-18T03:49:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.3016","created_at":"2026-05-18T03:49:35Z"},{"alias_kind":"pith_short_12","alias_value":"LOYPYY7MJN4E","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"LOYPYY7MJN4EKVAO","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"LOYPYY7M","created_at":"2026-05-18T12:26:34Z"}],"graph_snapshots":[{"event_id":"sha256:3a5810ee1bca3ec4b154c3f9cb0cc3ad6dbaae999341875f09fd63c1d0ddaae9","target":"graph","created_at":"2026-05-18T03:49:35Z","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 report the observation and quantitative characterization of driven and spontaneous oscillations of quantum entanglement, as measured by concurrence, in a bipartite system consisting of a macroscopic Josephson phase qubit coupled to a microscopic two-level system. The data clearly show the behavior of entanglement dynamics such as sudden death and revival, and the effect of decoherence and ac driving on entanglement.","authors_text":"Bo Mao, Guozhu Sun, Peiheng Wu, Siyuan Han, Xueda Wen, Zhongyuan Zhou","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-11-13T14:02:33Z","title":"Entanglement dynamics of a superconducting phase qubit coupled to a two-level system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.3016","kind":"arxiv","version":4},"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":"sha256:360f5d3d48835ba1ec392b38aa9738802c901d1afe56d211122ead4941c209fb","target":"record","created_at":"2026-05-18T03:49:35Z","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":"0cc30819be8d2ea99eb6b83b1254af4ac7c9292f5d0cf2342ebebbfb048d1aa2","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-11-13T14:02:33Z","title_canon_sha256":"852f16035705e1e664cbdcabf88ff2e464f25a24fd61da27115dcca8a064ea94"},"schema_version":"1.0","source":{"id":"1111.3016","kind":"arxiv","version":4}},"canonical_sha256":"5bb0fc63ec4b7845540e68f9085d7db112a52f5ee16a26276bed7f12507565b1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5bb0fc63ec4b7845540e68f9085d7db112a52f5ee16a26276bed7f12507565b1","first_computed_at":"2026-05-18T03:49:35.014887Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:49:35.014887Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tfDW9pfAv4KKshqYIVz8izdwzrFz9A4tZRov3luoHyRSDkyLa8e3vo3/DgjAIAKs715ux19JCHAaInO5IXSnAA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:49:35.015557Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.3016","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:360f5d3d48835ba1ec392b38aa9738802c901d1afe56d211122ead4941c209fb","sha256:3a5810ee1bca3ec4b154c3f9cb0cc3ad6dbaae999341875f09fd63c1d0ddaae9"],"state_sha256":"6be0051bbe378c4b02b2604bb04aaa2c5672f747287c6ec62da0f162cbac5d78"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ppgo8xgKya0wXw3x0uucuIn4r0A0OJFJ1gwa4JL5oR3E5GpIRhGoLL/oE7E5G9Fh8630oYxLf+rymAZQ+r64Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T01:02:49.854687Z","bundle_sha256":"c1a218351928c333a4ca25c88e80195707c9f68604e8605d143b725b56240aa5"}}