{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:YI4WGPK24AY4CGYG66QI6PH6UD","short_pith_number":"pith:YI4WGPK2","canonical_record":{"source":{"id":"1910.08542","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-10-18T07:18:08Z","cross_cats_sorted":[],"title_canon_sha256":"2de9599c0552564aef2fd70884c17e88b514075aca1c665d7d90c3217401a58c","abstract_canon_sha256":"2b5c9909768dd7b69c50a6a9b9579621bdb7494b364d8f1c0173a419ad631ba7"},"schema_version":"1.0"},"canonical_sha256":"c239633d5ae031c11b06f7a08f3cfea0f976b3de1fbfe91ca2d840527ca91ed7","source":{"kind":"arxiv","id":"1910.08542","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.08542","created_at":"2026-07-05T00:15:41Z"},{"alias_kind":"arxiv_version","alias_value":"1910.08542v1","created_at":"2026-07-05T00:15:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.08542","created_at":"2026-07-05T00:15:41Z"},{"alias_kind":"pith_short_12","alias_value":"YI4WGPK24AY4","created_at":"2026-07-05T00:15:41Z"},{"alias_kind":"pith_short_16","alias_value":"YI4WGPK24AY4CGYG","created_at":"2026-07-05T00:15:41Z"},{"alias_kind":"pith_short_8","alias_value":"YI4WGPK2","created_at":"2026-07-05T00:15:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:YI4WGPK24AY4CGYG66QI6PH6UD","target":"record","payload":{"canonical_record":{"source":{"id":"1910.08542","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-10-18T07:18:08Z","cross_cats_sorted":[],"title_canon_sha256":"2de9599c0552564aef2fd70884c17e88b514075aca1c665d7d90c3217401a58c","abstract_canon_sha256":"2b5c9909768dd7b69c50a6a9b9579621bdb7494b364d8f1c0173a419ad631ba7"},"schema_version":"1.0"},"canonical_sha256":"c239633d5ae031c11b06f7a08f3cfea0f976b3de1fbfe91ca2d840527ca91ed7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:15:41.513435Z","signature_b64":"oUVwN/9Xn0Li66v0GBxMLj6//cZh+sOHJ/UmvwmOmuKNPDKEMV1rPmaxF1/jyLPtGB7/QaiDjLwb9h/PY/vmDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c239633d5ae031c11b06f7a08f3cfea0f976b3de1fbfe91ca2d840527ca91ed7","last_reissued_at":"2026-07-05T00:15:41.512915Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:15:41.512915Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1910.08542","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":"2026-07-05T00:15:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+X9pAIV9ePfMB+X4LLMhjOEdoMXO39pnioZPB6/WxD7C4iQe8C/FdlSGxVXHaarDLJJLF2sM1G8TQVkB79UODQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T14:04:28.165083Z"},"content_sha256":"39bd7bd88a7d10736daa7642df40f74c4ae05374bfd9a7b6dd7155f49f381b62","schema_version":"1.0","event_id":"sha256:39bd7bd88a7d10736daa7642df40f74c4ae05374bfd9a7b6dd7155f49f381b62"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:YI4WGPK24AY4CGYG66QI6PH6UD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Circuit QED: single-step realization of a multiqubit controlled phase gate with one microwave photonic qubit simultaneously controlling $n-1$ microwave photonic qubits","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Biaoliang Ye, Chui-ping Yang, Yu Zhang, Zhen-Fei Zheng","submitted_at":"2019-10-18T07:18:08Z","abstract_excerpt":"We present a novel method to realize a multi-target-qubit controlled phase gate with one microwave photonic qubit simultaneously controlling $n-1$ target microwave photonic qubits. This gate is implemented with $n$ microwave cavities coupled to a superconducting flux qutrit. Each cavity hosts a microwave photonic qubit, whose two logic states are represented by the vacuum state and the single photon state of a single cavity mode, respectively. During the gate operation, the qutrit remains in the ground state and thus decoherence from the qutrit is greatly suppressed. This proposal requires onl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.08542","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1910.08542/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T00:15:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pBCjaFGjga3Kmd7he1DnjHAJ5Fh2hBqktwzNl3n/9e6mxv7FWZ/CY/5g2uTTlMOmWSP86EuvFS6TJut/yolXDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T14:04:28.166274Z"},"content_sha256":"2b4135c1d609b7a2104940c51f13eef8ff13d7676b5c82b7e92a206cf4f388f6","schema_version":"1.0","event_id":"sha256:2b4135c1d609b7a2104940c51f13eef8ff13d7676b5c82b7e92a206cf4f388f6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YI4WGPK24AY4CGYG66QI6PH6UD/bundle.json","state_url":"https://pith.science/pith/YI4WGPK24AY4CGYG66QI6PH6UD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YI4WGPK24AY4CGYG66QI6PH6UD/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":"2026-08-12T14:04:28Z","links":{"resolver":"https://pith.science/pith/YI4WGPK24AY4CGYG66QI6PH6UD","bundle":"https://pith.science/pith/YI4WGPK24AY4CGYG66QI6PH6UD/bundle.json","state":"https://pith.science/pith/YI4WGPK24AY4CGYG66QI6PH6UD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YI4WGPK24AY4CGYG66QI6PH6UD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:YI4WGPK24AY4CGYG66QI6PH6UD","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":"2b5c9909768dd7b69c50a6a9b9579621bdb7494b364d8f1c0173a419ad631ba7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-10-18T07:18:08Z","title_canon_sha256":"2de9599c0552564aef2fd70884c17e88b514075aca1c665d7d90c3217401a58c"},"schema_version":"1.0","source":{"id":"1910.08542","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.08542","created_at":"2026-07-05T00:15:41Z"},{"alias_kind":"arxiv_version","alias_value":"1910.08542v1","created_at":"2026-07-05T00:15:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.08542","created_at":"2026-07-05T00:15:41Z"},{"alias_kind":"pith_short_12","alias_value":"YI4WGPK24AY4","created_at":"2026-07-05T00:15:41Z"},{"alias_kind":"pith_short_16","alias_value":"YI4WGPK24AY4CGYG","created_at":"2026-07-05T00:15:41Z"},{"alias_kind":"pith_short_8","alias_value":"YI4WGPK2","created_at":"2026-07-05T00:15:41Z"}],"graph_snapshots":[{"event_id":"sha256:2b4135c1d609b7a2104940c51f13eef8ff13d7676b5c82b7e92a206cf4f388f6","target":"graph","created_at":"2026-07-05T00:15:41Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1910.08542/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a novel method to realize a multi-target-qubit controlled phase gate with one microwave photonic qubit simultaneously controlling $n-1$ target microwave photonic qubits. This gate is implemented with $n$ microwave cavities coupled to a superconducting flux qutrit. Each cavity hosts a microwave photonic qubit, whose two logic states are represented by the vacuum state and the single photon state of a single cavity mode, respectively. During the gate operation, the qutrit remains in the ground state and thus decoherence from the qutrit is greatly suppressed. This proposal requires onl","authors_text":"Biaoliang Ye, Chui-ping Yang, Yu Zhang, Zhen-Fei Zheng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-10-18T07:18:08Z","title":"Circuit QED: single-step realization of a multiqubit controlled phase gate with one microwave photonic qubit simultaneously controlling $n-1$ microwave photonic qubits"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.08542","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":"sha256:39bd7bd88a7d10736daa7642df40f74c4ae05374bfd9a7b6dd7155f49f381b62","target":"record","created_at":"2026-07-05T00:15:41Z","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":"2b5c9909768dd7b69c50a6a9b9579621bdb7494b364d8f1c0173a419ad631ba7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-10-18T07:18:08Z","title_canon_sha256":"2de9599c0552564aef2fd70884c17e88b514075aca1c665d7d90c3217401a58c"},"schema_version":"1.0","source":{"id":"1910.08542","kind":"arxiv","version":1}},"canonical_sha256":"c239633d5ae031c11b06f7a08f3cfea0f976b3de1fbfe91ca2d840527ca91ed7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c239633d5ae031c11b06f7a08f3cfea0f976b3de1fbfe91ca2d840527ca91ed7","first_computed_at":"2026-07-05T00:15:41.512915Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:15:41.512915Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oUVwN/9Xn0Li66v0GBxMLj6//cZh+sOHJ/UmvwmOmuKNPDKEMV1rPmaxF1/jyLPtGB7/QaiDjLwb9h/PY/vmDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:15:41.513435Z","signed_message":"canonical_sha256_bytes"},"source_id":"1910.08542","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:39bd7bd88a7d10736daa7642df40f74c4ae05374bfd9a7b6dd7155f49f381b62","sha256:2b4135c1d609b7a2104940c51f13eef8ff13d7676b5c82b7e92a206cf4f388f6"],"state_sha256":"27a28f9709cbbd9448e544753d0e84e733baab5957d01fc8e7fc7e12fec64ada"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LG54SfDLNCaDZ1GbKT5SXHRBsOs++j6q49JyLX8ZK4CuESlrBfsVYsZ5hAnjtiJepYP32SNVnT3RKuWQn1RCCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T14:04:28.177897Z","bundle_sha256":"6b2b41abbaa77b9bf71efe25afa3be55337c9b8e0b519beef6bf61b50b837186"}}