{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:I5KQTYT7ERZFTRCXI4BW2JGYRM","short_pith_number":"pith:I5KQTYT7","canonical_record":{"source":{"id":"1402.0335","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-02-03T10:38:44Z","cross_cats_sorted":[],"title_canon_sha256":"c4921f6d451a32cb9224b8d011daf914599dabc23b913d1e0231446fe39189af","abstract_canon_sha256":"7b9787a845d77a275438d5b977361f46749267d32e1d20e39bf8e4860ec45788"},"schema_version":"1.0"},"canonical_sha256":"475509e27f247259c45747036d24d88b1592c3d73b4f2fbac0d7da7c431fde84","source":{"kind":"arxiv","id":"1402.0335","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.0335","created_at":"2026-05-18T01:44:53Z"},{"alias_kind":"arxiv_version","alias_value":"1402.0335v1","created_at":"2026-05-18T01:44:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.0335","created_at":"2026-05-18T01:44:53Z"},{"alias_kind":"pith_short_12","alias_value":"I5KQTYT7ERZF","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"I5KQTYT7ERZFTRCX","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"I5KQTYT7","created_at":"2026-05-18T12:28:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:I5KQTYT7ERZFTRCXI4BW2JGYRM","target":"record","payload":{"canonical_record":{"source":{"id":"1402.0335","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-02-03T10:38:44Z","cross_cats_sorted":[],"title_canon_sha256":"c4921f6d451a32cb9224b8d011daf914599dabc23b913d1e0231446fe39189af","abstract_canon_sha256":"7b9787a845d77a275438d5b977361f46749267d32e1d20e39bf8e4860ec45788"},"schema_version":"1.0"},"canonical_sha256":"475509e27f247259c45747036d24d88b1592c3d73b4f2fbac0d7da7c431fde84","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:44:53.463654Z","signature_b64":"jWgIOtnx/Pr0DqrvGw8keFKMT37wdTfkh8oyv4SrvlKp0DZt4bw2wMlE28A+upnOMMBpsENJ4Jm0NFAhGnt0BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"475509e27f247259c45747036d24d88b1592c3d73b4f2fbac0d7da7c431fde84","last_reissued_at":"2026-05-18T01:44:53.462986Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:44:53.462986Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.0335","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":"2026-05-18T01:44:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b7sIAublAZfrmVxEz+HaqhjDLgm3WwhUaNFzdga8ZAKlcpAKhADbDHjY/XLw3qB6nRB/rkZf4giL4zlCoeAnCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T12:10:20.242930Z"},"content_sha256":"31c1de66174073ecf3b8e1b4fe773ddf0d4d4fd11a39e529285a15f4b4a25342","schema_version":"1.0","event_id":"sha256:31c1de66174073ecf3b8e1b4fe773ddf0d4d4fd11a39e529285a15f4b4a25342"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:I5KQTYT7ERZFTRCXI4BW2JGYRM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Distributed manipulation of two-qubit entanglement with coupled continuous variables","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Huai-Zhi Wu, Li-Tuo Shen, Rong-Xin Chen, Zhen-Biao Yang","submitted_at":"2014-02-03T10:38:44Z","abstract_excerpt":"We study the dynamics of two qubits separately sent through two coupled resonators, each initially containing a coherent state field. We present analytical arguments and numerical calculations for the qubit-field system under different two-qubit initial states, photon hopping strengths, and detunings. In far off-resonant regime, the maximal entanglement of two qubits can be generated with the initial qubit state in which one qubit is in the excited state and the other is in the ground state, and the initially maximal two-qubit entanglement can be frozen and fully revived even for large mean ph"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.0335","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":"2026-05-18T01:44:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NEZXQJ7z3YZkj3WeJaSzQ5NH7cPkt9oV4B6klwYG16W5FrPmyrJIdy6G+vZ5165T88TijZEbzs+0ZrOiJHrkAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T12:10:20.243281Z"},"content_sha256":"7d605e8ed70ec8174de98a8ff2c14cb803b8ab82a9f7aff41d87f4905b991f79","schema_version":"1.0","event_id":"sha256:7d605e8ed70ec8174de98a8ff2c14cb803b8ab82a9f7aff41d87f4905b991f79"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I5KQTYT7ERZFTRCXI4BW2JGYRM/bundle.json","state_url":"https://pith.science/pith/I5KQTYT7ERZFTRCXI4BW2JGYRM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I5KQTYT7ERZFTRCXI4BW2JGYRM/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":"2026-05-20T12:10:20Z","links":{"resolver":"https://pith.science/pith/I5KQTYT7ERZFTRCXI4BW2JGYRM","bundle":"https://pith.science/pith/I5KQTYT7ERZFTRCXI4BW2JGYRM/bundle.json","state":"https://pith.science/pith/I5KQTYT7ERZFTRCXI4BW2JGYRM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I5KQTYT7ERZFTRCXI4BW2JGYRM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:I5KQTYT7ERZFTRCXI4BW2JGYRM","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":"7b9787a845d77a275438d5b977361f46749267d32e1d20e39bf8e4860ec45788","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-02-03T10:38:44Z","title_canon_sha256":"c4921f6d451a32cb9224b8d011daf914599dabc23b913d1e0231446fe39189af"},"schema_version":"1.0","source":{"id":"1402.0335","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.0335","created_at":"2026-05-18T01:44:53Z"},{"alias_kind":"arxiv_version","alias_value":"1402.0335v1","created_at":"2026-05-18T01:44:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.0335","created_at":"2026-05-18T01:44:53Z"},{"alias_kind":"pith_short_12","alias_value":"I5KQTYT7ERZF","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"I5KQTYT7ERZFTRCX","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"I5KQTYT7","created_at":"2026-05-18T12:28:33Z"}],"graph_snapshots":[{"event_id":"sha256:7d605e8ed70ec8174de98a8ff2c14cb803b8ab82a9f7aff41d87f4905b991f79","target":"graph","created_at":"2026-05-18T01:44:53Z","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 study the dynamics of two qubits separately sent through two coupled resonators, each initially containing a coherent state field. We present analytical arguments and numerical calculations for the qubit-field system under different two-qubit initial states, photon hopping strengths, and detunings. In far off-resonant regime, the maximal entanglement of two qubits can be generated with the initial qubit state in which one qubit is in the excited state and the other is in the ground state, and the initially maximal two-qubit entanglement can be frozen and fully revived even for large mean ph","authors_text":"Huai-Zhi Wu, Li-Tuo Shen, Rong-Xin Chen, Zhen-Biao Yang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-02-03T10:38:44Z","title":"Distributed manipulation of two-qubit entanglement with coupled continuous variables"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.0335","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":"sha256:31c1de66174073ecf3b8e1b4fe773ddf0d4d4fd11a39e529285a15f4b4a25342","target":"record","created_at":"2026-05-18T01:44:53Z","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":"7b9787a845d77a275438d5b977361f46749267d32e1d20e39bf8e4860ec45788","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-02-03T10:38:44Z","title_canon_sha256":"c4921f6d451a32cb9224b8d011daf914599dabc23b913d1e0231446fe39189af"},"schema_version":"1.0","source":{"id":"1402.0335","kind":"arxiv","version":1}},"canonical_sha256":"475509e27f247259c45747036d24d88b1592c3d73b4f2fbac0d7da7c431fde84","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"475509e27f247259c45747036d24d88b1592c3d73b4f2fbac0d7da7c431fde84","first_computed_at":"2026-05-18T01:44:53.462986Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:44:53.462986Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jWgIOtnx/Pr0DqrvGw8keFKMT37wdTfkh8oyv4SrvlKp0DZt4bw2wMlE28A+upnOMMBpsENJ4Jm0NFAhGnt0BA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:44:53.463654Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.0335","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:31c1de66174073ecf3b8e1b4fe773ddf0d4d4fd11a39e529285a15f4b4a25342","sha256:7d605e8ed70ec8174de98a8ff2c14cb803b8ab82a9f7aff41d87f4905b991f79"],"state_sha256":"88bdaf412e27a4542c3a6ab8b7f25eee2c833a40b8cde11fbfabe75d864831c8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eYTTW3cgkHiaHDlKfqSuFf95ooLcGcSR+Yr/I4/MpLPREQ3dsB7TeI8UnBleY0Wca9uaXaoLIltwl8PO5FIeBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T12:10:20.245747Z","bundle_sha256":"4aeb385dc6d9fa0f7c8f7e8fe857ec8bfb3e2e343ab487c9817ebf3d389a5d35"}}