{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:NJKH7TN6I65HE5QWFG4QM6M7PP","short_pith_number":"pith:NJKH7TN6","canonical_record":{"source":{"id":"2206.04321","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-06-09T07:49:07Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"73559b84dac3e2115d6b707cef8a1775d2bccd42b45c090a51a4ce011f589264","abstract_canon_sha256":"3770b7499b7c5e667b85727ee07d7c307446a71967956958b2c25a4c96089464"},"schema_version":"1.0"},"canonical_sha256":"6a547fcdbe47ba72761629b906799f7bdb8abb7c01f9a051bc03997c51819396","source":{"kind":"arxiv","id":"2206.04321","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.04321","created_at":"2026-07-05T05:56:27Z"},{"alias_kind":"arxiv_version","alias_value":"2206.04321v2","created_at":"2026-07-05T05:56:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.04321","created_at":"2026-07-05T05:56:27Z"},{"alias_kind":"pith_short_12","alias_value":"NJKH7TN6I65H","created_at":"2026-07-05T05:56:27Z"},{"alias_kind":"pith_short_16","alias_value":"NJKH7TN6I65HE5QW","created_at":"2026-07-05T05:56:27Z"},{"alias_kind":"pith_short_8","alias_value":"NJKH7TN6","created_at":"2026-07-05T05:56:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:NJKH7TN6I65HE5QWFG4QM6M7PP","target":"record","payload":{"canonical_record":{"source":{"id":"2206.04321","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-06-09T07:49:07Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"73559b84dac3e2115d6b707cef8a1775d2bccd42b45c090a51a4ce011f589264","abstract_canon_sha256":"3770b7499b7c5e667b85727ee07d7c307446a71967956958b2c25a4c96089464"},"schema_version":"1.0"},"canonical_sha256":"6a547fcdbe47ba72761629b906799f7bdb8abb7c01f9a051bc03997c51819396","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:56:27.250746Z","signature_b64":"gC2YzrMPg+3ZW5NGf1YoxFbTON2USeL0Q/5mY6IafCz/yE9zJuCHga4XEDseDIzPyyd31tjsgTUBJkDrQY/JDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6a547fcdbe47ba72761629b906799f7bdb8abb7c01f9a051bc03997c51819396","last_reissued_at":"2026-07-05T05:56:27.250288Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:56:27.250288Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2206.04321","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:56:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8MlAIUk3TFl37m+dsuZ6dSvkBgCKS3Y6gx3f9kgVshBxI9vZYnpyXzX4eOPydgGTqaVmgbrP3TdgqPIfl0qMCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T04:48:04.614353Z"},"content_sha256":"f1a6f657619956852aff4b93d995eebe74cc1f476d1cfaf7ca68ea3ffa826d91","schema_version":"1.0","event_id":"sha256:f1a6f657619956852aff4b93d995eebe74cc1f476d1cfaf7ca68ea3ffa826d91"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:NJKH7TN6I65HE5QWFG4QM6M7PP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing two-qubit capacitive interactions beyond bilinear regime using dual Hamiltonian parameter estimations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"quant-ph","authors_text":"Dohun Kim, Hanseo Sohn, Hwanchul Jung, Hyeongyu Jang, Jaemin Park, Jehyun Kim, Jonginn Yun, Min-Kyun Cho, Vladimir Umansky, Wonjin Jang, Youngwook Song","submitted_at":"2022-06-09T07:49:07Z","abstract_excerpt":"We report the simultaneous operation and two-qubit coupling measurement of a pair of two-electron spin qubits that are actively decoupled from quasistatic nuclear noise in a GaAs quadruple quantum dot array. Coherent Rabi oscillations of both qubits (decay time $\\approx$2 {\\mu}s; frequency few MHz) are achieved by continuously tuning the drive frequency using rapidly converging real-time Hamiltonian estimators. By state conditional exchange oscillation measurements, we also observe strong two-qubit capacitive interaction (> 190 MHz). We show that the scaling of the capacitive interaction with "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.04321","kind":"arxiv","version":2},"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/2206.04321/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":"2026-07-05T05:56:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GSEBEnpHd8cAqm9aT5gNphHmPURkCxzVkCl+kTN4kUN+mpBdJmzcfSctL1YVE4LsoleA1GoH/hyks6Ba6amTBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T04:48:04.615278Z"},"content_sha256":"1676fbf8403b79022bad689ca0f5386b056fe06dc6e4deeb0510615b252f5741","schema_version":"1.0","event_id":"sha256:1676fbf8403b79022bad689ca0f5386b056fe06dc6e4deeb0510615b252f5741"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NJKH7TN6I65HE5QWFG4QM6M7PP/bundle.json","state_url":"https://pith.science/pith/NJKH7TN6I65HE5QWFG4QM6M7PP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NJKH7TN6I65HE5QWFG4QM6M7PP/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":"2026-08-19T04:48:04Z","links":{"resolver":"https://pith.science/pith/NJKH7TN6I65HE5QWFG4QM6M7PP","bundle":"https://pith.science/pith/NJKH7TN6I65HE5QWFG4QM6M7PP/bundle.json","state":"https://pith.science/pith/NJKH7TN6I65HE5QWFG4QM6M7PP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NJKH7TN6I65HE5QWFG4QM6M7PP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:NJKH7TN6I65HE5QWFG4QM6M7PP","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":"3770b7499b7c5e667b85727ee07d7c307446a71967956958b2c25a4c96089464","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-06-09T07:49:07Z","title_canon_sha256":"73559b84dac3e2115d6b707cef8a1775d2bccd42b45c090a51a4ce011f589264"},"schema_version":"1.0","source":{"id":"2206.04321","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.04321","created_at":"2026-07-05T05:56:27Z"},{"alias_kind":"arxiv_version","alias_value":"2206.04321v2","created_at":"2026-07-05T05:56:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.04321","created_at":"2026-07-05T05:56:27Z"},{"alias_kind":"pith_short_12","alias_value":"NJKH7TN6I65H","created_at":"2026-07-05T05:56:27Z"},{"alias_kind":"pith_short_16","alias_value":"NJKH7TN6I65HE5QW","created_at":"2026-07-05T05:56:27Z"},{"alias_kind":"pith_short_8","alias_value":"NJKH7TN6","created_at":"2026-07-05T05:56:27Z"}],"graph_snapshots":[{"event_id":"sha256:1676fbf8403b79022bad689ca0f5386b056fe06dc6e4deeb0510615b252f5741","target":"graph","created_at":"2026-07-05T05:56:27Z","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/2206.04321/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report the simultaneous operation and two-qubit coupling measurement of a pair of two-electron spin qubits that are actively decoupled from quasistatic nuclear noise in a GaAs quadruple quantum dot array. Coherent Rabi oscillations of both qubits (decay time $\\approx$2 {\\mu}s; frequency few MHz) are achieved by continuously tuning the drive frequency using rapidly converging real-time Hamiltonian estimators. By state conditional exchange oscillation measurements, we also observe strong two-qubit capacitive interaction (> 190 MHz). We show that the scaling of the capacitive interaction with ","authors_text":"Dohun Kim, Hanseo Sohn, Hwanchul Jung, Hyeongyu Jang, Jaemin Park, Jehyun Kim, Jonginn Yun, Min-Kyun Cho, Vladimir Umansky, Wonjin Jang, Youngwook Song","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-06-09T07:49:07Z","title":"Probing two-qubit capacitive interactions beyond bilinear regime using dual Hamiltonian parameter estimations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.04321","kind":"arxiv","version":2},"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:f1a6f657619956852aff4b93d995eebe74cc1f476d1cfaf7ca68ea3ffa826d91","target":"record","created_at":"2026-07-05T05:56:27Z","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":"3770b7499b7c5e667b85727ee07d7c307446a71967956958b2c25a4c96089464","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-06-09T07:49:07Z","title_canon_sha256":"73559b84dac3e2115d6b707cef8a1775d2bccd42b45c090a51a4ce011f589264"},"schema_version":"1.0","source":{"id":"2206.04321","kind":"arxiv","version":2}},"canonical_sha256":"6a547fcdbe47ba72761629b906799f7bdb8abb7c01f9a051bc03997c51819396","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6a547fcdbe47ba72761629b906799f7bdb8abb7c01f9a051bc03997c51819396","first_computed_at":"2026-07-05T05:56:27.250288Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:56:27.250288Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gC2YzrMPg+3ZW5NGf1YoxFbTON2USeL0Q/5mY6IafCz/yE9zJuCHga4XEDseDIzPyyd31tjsgTUBJkDrQY/JDg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:56:27.250746Z","signed_message":"canonical_sha256_bytes"},"source_id":"2206.04321","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f1a6f657619956852aff4b93d995eebe74cc1f476d1cfaf7ca68ea3ffa826d91","sha256:1676fbf8403b79022bad689ca0f5386b056fe06dc6e4deeb0510615b252f5741"],"state_sha256":"670136d25622a55516d18ea49825b0a54b5bd0463ef59ba93112feb5cf719290"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QE+BX+NqJjYeewvMkLWioescHvCT2Lv6hhWr5/4C9RcReVEfdT/86EnOabDXRKCRe7TO1/tBQQDblRNT9Co3Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T04:48:04.644674Z","bundle_sha256":"de12574df47046e69d12b2911f30606b2de319f9a135f573fae5ed9750aa1e4c"}}