{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:D3Z46G3U33OREX5BTA6ABGGNC3","short_pith_number":"pith:D3Z46G3U","canonical_record":{"source":{"id":"2404.18540","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-04-29T09:28:45Z","cross_cats_sorted":[],"title_canon_sha256":"441322608467aee72bddd074e21ab4f38984793dfffb4fd9b16f96d894958e60","abstract_canon_sha256":"209c42da962dc08ebadb194f912b9931f7ca0da53338804f1d092c78f8b94c58"},"schema_version":"1.0"},"canonical_sha256":"1ef3cf1b74dedd125fa1983c0098cd16f60d0b8e5a831226f429c869654743c4","source":{"kind":"arxiv","id":"2404.18540","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.18540","created_at":"2026-07-05T10:29:16Z"},{"alias_kind":"arxiv_version","alias_value":"2404.18540v1","created_at":"2026-07-05T10:29:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.18540","created_at":"2026-07-05T10:29:16Z"},{"alias_kind":"pith_short_12","alias_value":"D3Z46G3U33OR","created_at":"2026-07-05T10:29:16Z"},{"alias_kind":"pith_short_16","alias_value":"D3Z46G3U33OREX5B","created_at":"2026-07-05T10:29:16Z"},{"alias_kind":"pith_short_8","alias_value":"D3Z46G3U","created_at":"2026-07-05T10:29:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:D3Z46G3U33OREX5BTA6ABGGNC3","target":"record","payload":{"canonical_record":{"source":{"id":"2404.18540","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-04-29T09:28:45Z","cross_cats_sorted":[],"title_canon_sha256":"441322608467aee72bddd074e21ab4f38984793dfffb4fd9b16f96d894958e60","abstract_canon_sha256":"209c42da962dc08ebadb194f912b9931f7ca0da53338804f1d092c78f8b94c58"},"schema_version":"1.0"},"canonical_sha256":"1ef3cf1b74dedd125fa1983c0098cd16f60d0b8e5a831226f429c869654743c4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:29:16.895616Z","signature_b64":"J2sBauzxYgklHbNUGhmq/b1nAQSZMidZ+m88NpRu2Lg3SoRTS/KpWOb/OEPYi6PklkIvEGMFQRGoInZxKKCQAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1ef3cf1b74dedd125fa1983c0098cd16f60d0b8e5a831226f429c869654743c4","last_reissued_at":"2026-07-05T10:29:16.895013Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:29:16.895013Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.18540","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":"2026-07-05T10:29:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L9gTsOxugPZKA6lTtak6mqMfOFqlkuwrtiXR8qljbrpx/hLM//J42cucSwJfveSfXtXPEsbFf8hpM/tDIxpFBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T07:09:40.090973Z"},"content_sha256":"a0ddc131f744dcb173a5eaed09ac6672d2c6d1a11612d945fb4a71486cfd7ddb","schema_version":"1.0","event_id":"sha256:a0ddc131f744dcb173a5eaed09ac6672d2c6d1a11612d945fb4a71486cfd7ddb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:D3Z46G3U33OREX5BTA6ABGGNC3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tunable coupling of a quantum phononic resonator to a transmon qubit with flip-chip architecture","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Bingjie Chen, Dongning Zheng, Guihan Liang, Heng Fan, He Zhang, Jia-Heng Wang, Jing Zhang, Jinzhe Wang, Kai Xu, Li Li, Qianchuan Zhao, Silu Zhao, Xiang Li, Xiaohui Song, Xinhui Ruan, Yizhou Bu, Yu-xi Liu, Zhihui Peng, Zhongcheng Xiang","submitted_at":"2024-04-29T09:28:45Z","abstract_excerpt":"A hybrid system with tunable coupling between phonons and qubits shows great potential for advancing quantum information processing. In this work, we demonstrate strong and tunable coupling between a surface acoustic wave (SAW) resonator and a transmon qubit based on galvanic-contact flip-chip technique. The coupling strength varies from $2\\pi\\times$7.0 MHz to -$2\\pi\\times$20.6 MHz, which is extracted from different vacuum Rabi oscillation frequencies. The phonon-induced ac Stark shift of the qubit at different coupling strengths is also shown. Our approach offers a good experimental platform "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.18540","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/2404.18540/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":"2026-07-05T10:29:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MoNGq4CG9tM86Ir5+lYlKbcPCYcbIzXA6bexhLPKnSYToeluc5SDSDq1CluD/GXVX5sk8cq5ZJpAc1IRnY+MAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T07:09:40.091354Z"},"content_sha256":"cb14fcc4ae12a80f615710808040f933e181a0ad2b538593603b99aee6386b46","schema_version":"1.0","event_id":"sha256:cb14fcc4ae12a80f615710808040f933e181a0ad2b538593603b99aee6386b46"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D3Z46G3U33OREX5BTA6ABGGNC3/bundle.json","state_url":"https://pith.science/pith/D3Z46G3U33OREX5BTA6ABGGNC3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D3Z46G3U33OREX5BTA6ABGGNC3/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":"2026-07-07T07:09:40Z","links":{"resolver":"https://pith.science/pith/D3Z46G3U33OREX5BTA6ABGGNC3","bundle":"https://pith.science/pith/D3Z46G3U33OREX5BTA6ABGGNC3/bundle.json","state":"https://pith.science/pith/D3Z46G3U33OREX5BTA6ABGGNC3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D3Z46G3U33OREX5BTA6ABGGNC3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:D3Z46G3U33OREX5BTA6ABGGNC3","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":"209c42da962dc08ebadb194f912b9931f7ca0da53338804f1d092c78f8b94c58","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-04-29T09:28:45Z","title_canon_sha256":"441322608467aee72bddd074e21ab4f38984793dfffb4fd9b16f96d894958e60"},"schema_version":"1.0","source":{"id":"2404.18540","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.18540","created_at":"2026-07-05T10:29:16Z"},{"alias_kind":"arxiv_version","alias_value":"2404.18540v1","created_at":"2026-07-05T10:29:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.18540","created_at":"2026-07-05T10:29:16Z"},{"alias_kind":"pith_short_12","alias_value":"D3Z46G3U33OR","created_at":"2026-07-05T10:29:16Z"},{"alias_kind":"pith_short_16","alias_value":"D3Z46G3U33OREX5B","created_at":"2026-07-05T10:29:16Z"},{"alias_kind":"pith_short_8","alias_value":"D3Z46G3U","created_at":"2026-07-05T10:29:16Z"}],"graph_snapshots":[{"event_id":"sha256:cb14fcc4ae12a80f615710808040f933e181a0ad2b538593603b99aee6386b46","target":"graph","created_at":"2026-07-05T10:29:16Z","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/2404.18540/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A hybrid system with tunable coupling between phonons and qubits shows great potential for advancing quantum information processing. In this work, we demonstrate strong and tunable coupling between a surface acoustic wave (SAW) resonator and a transmon qubit based on galvanic-contact flip-chip technique. The coupling strength varies from $2\\pi\\times$7.0 MHz to -$2\\pi\\times$20.6 MHz, which is extracted from different vacuum Rabi oscillation frequencies. The phonon-induced ac Stark shift of the qubit at different coupling strengths is also shown. Our approach offers a good experimental platform ","authors_text":"Bingjie Chen, Dongning Zheng, Guihan Liang, Heng Fan, He Zhang, Jia-Heng Wang, Jing Zhang, Jinzhe Wang, Kai Xu, Li Li, Qianchuan Zhao, Silu Zhao, Xiang Li, Xiaohui Song, Xinhui Ruan, Yizhou Bu, Yu-xi Liu, Zhihui Peng, Zhongcheng Xiang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-04-29T09:28:45Z","title":"Tunable coupling of a quantum phononic resonator to a transmon qubit with flip-chip architecture"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.18540","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:a0ddc131f744dcb173a5eaed09ac6672d2c6d1a11612d945fb4a71486cfd7ddb","target":"record","created_at":"2026-07-05T10:29:16Z","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":"209c42da962dc08ebadb194f912b9931f7ca0da53338804f1d092c78f8b94c58","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-04-29T09:28:45Z","title_canon_sha256":"441322608467aee72bddd074e21ab4f38984793dfffb4fd9b16f96d894958e60"},"schema_version":"1.0","source":{"id":"2404.18540","kind":"arxiv","version":1}},"canonical_sha256":"1ef3cf1b74dedd125fa1983c0098cd16f60d0b8e5a831226f429c869654743c4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1ef3cf1b74dedd125fa1983c0098cd16f60d0b8e5a831226f429c869654743c4","first_computed_at":"2026-07-05T10:29:16.895013Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:29:16.895013Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"J2sBauzxYgklHbNUGhmq/b1nAQSZMidZ+m88NpRu2Lg3SoRTS/KpWOb/OEPYi6PklkIvEGMFQRGoInZxKKCQAA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:29:16.895616Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.18540","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a0ddc131f744dcb173a5eaed09ac6672d2c6d1a11612d945fb4a71486cfd7ddb","sha256:cb14fcc4ae12a80f615710808040f933e181a0ad2b538593603b99aee6386b46"],"state_sha256":"d7c43c3699b6db68c3f70f85c84d988a9e4559c2c8c949879e602784da9993ae"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mrIW+qcpbeOEWipSJ5ooLvHfQ5fWPzA61/aVAwXKlRDCPFfTPT2Zehttizx7bJoHL5J7JaFkoyK0KN9CF52tDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T07:09:40.093338Z","bundle_sha256":"6fa9b80849578f9e04140cef323858c3c78c45f105b01f83411950ae2f6d4103"}}