{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:LI46YP2WBD5E5ZHWTLOPAU6PPE","short_pith_number":"pith:LI46YP2W","canonical_record":{"source":{"id":"2108.04530","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-08-10T09:16:05Z","cross_cats_sorted":[],"title_canon_sha256":"3c4c7ab25549a727b223c0b46c2d2f2dbb639962512a0e0402dd6a81eaed175a","abstract_canon_sha256":"d161be7ada7fac87f331ddabe41699317992de1efc98f69d40c4ff93f594dab5"},"schema_version":"1.0"},"canonical_sha256":"5a39ec3f5608fa4ee4f69adcf053cf791b123665e19559d220ab4bb94539b056","source":{"kind":"arxiv","id":"2108.04530","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.04530","created_at":"2026-07-05T06:01:55Z"},{"alias_kind":"arxiv_version","alias_value":"2108.04530v2","created_at":"2026-07-05T06:01:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.04530","created_at":"2026-07-05T06:01:55Z"},{"alias_kind":"pith_short_12","alias_value":"LI46YP2WBD5E","created_at":"2026-07-05T06:01:55Z"},{"alias_kind":"pith_short_16","alias_value":"LI46YP2WBD5E5ZHW","created_at":"2026-07-05T06:01:55Z"},{"alias_kind":"pith_short_8","alias_value":"LI46YP2W","created_at":"2026-07-05T06:01:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:LI46YP2WBD5E5ZHWTLOPAU6PPE","target":"record","payload":{"canonical_record":{"source":{"id":"2108.04530","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-08-10T09:16:05Z","cross_cats_sorted":[],"title_canon_sha256":"3c4c7ab25549a727b223c0b46c2d2f2dbb639962512a0e0402dd6a81eaed175a","abstract_canon_sha256":"d161be7ada7fac87f331ddabe41699317992de1efc98f69d40c4ff93f594dab5"},"schema_version":"1.0"},"canonical_sha256":"5a39ec3f5608fa4ee4f69adcf053cf791b123665e19559d220ab4bb94539b056","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:01:55.436143Z","signature_b64":"E+c0EUY4iOABvqYgvh6zhIptpnernkTDvdMU2d7l7De8O8bx39cSEnTj6sxoRWD7wiU4fjL2457cRtTqI1l0Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5a39ec3f5608fa4ee4f69adcf053cf791b123665e19559d220ab4bb94539b056","last_reissued_at":"2026-07-05T06:01:55.435644Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:01:55.435644Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2108.04530","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":"2026-07-05T06:01:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fOafyx2Cg3do8pneoyQu7piUFbEORYO4JaySx3ykzUokQHaqjnDyrraHeRUm0SugJni527KEbbj6xa6AmwGADg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T10:31:20.634854Z"},"content_sha256":"36326c6dd3c5db28b65d43bfba2b7eeb8cc282f503634ec808daf2d9d0a589e6","schema_version":"1.0","event_id":"sha256:36326c6dd3c5db28b65d43bfba2b7eeb8cc282f503634ec808daf2d9d0a589e6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:LI46YP2WBD5E5ZHWTLOPAU6PPE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Suppression of crosstalk in superconducting qubits using dynamical decoupling","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Daniel A. Lidar, E. M. Levenson-Falk, Huo Chen, Ka-Wa Yip, Mostafa Khezri, Vinay Tripathi","submitted_at":"2021-08-10T09:16:05Z","abstract_excerpt":"Currently available superconducting quantum processors with interconnected transmon qubits are noisy and prone to various errors. The errors can be attributed to sources such as open quantum system effects and spurious inter-qubit couplings (crosstalk). The ZZ-coupling between qubits in fixed frequency transmon architectures is always present and contributes to both coherent and incoherent crosstalk errors. Its suppression is therefore a key step towards enhancing the fidelity of quantum computation using transmons. Here we propose the use of dynamical decoupling to suppress the crosstalk, and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.04530","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/2108.04530/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":"2026-07-05T06:01:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TH7L7J2lW40poJOyiqaoqEyVJhx0x11cISiSLKFrRe9/P/DcjFsz0+rR4JKtYymEIu4QbQnGQC+3mRufoSr4Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T10:31:20.635247Z"},"content_sha256":"88822e5d0f61196f82e8aa1f770ce9296e1a1fc94ed107d90e13991415e9faa7","schema_version":"1.0","event_id":"sha256:88822e5d0f61196f82e8aa1f770ce9296e1a1fc94ed107d90e13991415e9faa7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LI46YP2WBD5E5ZHWTLOPAU6PPE/bundle.json","state_url":"https://pith.science/pith/LI46YP2WBD5E5ZHWTLOPAU6PPE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LI46YP2WBD5E5ZHWTLOPAU6PPE/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":"2026-07-07T10:31:20Z","links":{"resolver":"https://pith.science/pith/LI46YP2WBD5E5ZHWTLOPAU6PPE","bundle":"https://pith.science/pith/LI46YP2WBD5E5ZHWTLOPAU6PPE/bundle.json","state":"https://pith.science/pith/LI46YP2WBD5E5ZHWTLOPAU6PPE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LI46YP2WBD5E5ZHWTLOPAU6PPE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:LI46YP2WBD5E5ZHWTLOPAU6PPE","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":"d161be7ada7fac87f331ddabe41699317992de1efc98f69d40c4ff93f594dab5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-08-10T09:16:05Z","title_canon_sha256":"3c4c7ab25549a727b223c0b46c2d2f2dbb639962512a0e0402dd6a81eaed175a"},"schema_version":"1.0","source":{"id":"2108.04530","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.04530","created_at":"2026-07-05T06:01:55Z"},{"alias_kind":"arxiv_version","alias_value":"2108.04530v2","created_at":"2026-07-05T06:01:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.04530","created_at":"2026-07-05T06:01:55Z"},{"alias_kind":"pith_short_12","alias_value":"LI46YP2WBD5E","created_at":"2026-07-05T06:01:55Z"},{"alias_kind":"pith_short_16","alias_value":"LI46YP2WBD5E5ZHW","created_at":"2026-07-05T06:01:55Z"},{"alias_kind":"pith_short_8","alias_value":"LI46YP2W","created_at":"2026-07-05T06:01:55Z"}],"graph_snapshots":[{"event_id":"sha256:88822e5d0f61196f82e8aa1f770ce9296e1a1fc94ed107d90e13991415e9faa7","target":"graph","created_at":"2026-07-05T06:01:55Z","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/2108.04530/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Currently available superconducting quantum processors with interconnected transmon qubits are noisy and prone to various errors. The errors can be attributed to sources such as open quantum system effects and spurious inter-qubit couplings (crosstalk). The ZZ-coupling between qubits in fixed frequency transmon architectures is always present and contributes to both coherent and incoherent crosstalk errors. Its suppression is therefore a key step towards enhancing the fidelity of quantum computation using transmons. Here we propose the use of dynamical decoupling to suppress the crosstalk, and","authors_text":"Daniel A. Lidar, E. M. Levenson-Falk, Huo Chen, Ka-Wa Yip, Mostafa Khezri, Vinay Tripathi","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-08-10T09:16:05Z","title":"Suppression of crosstalk in superconducting qubits using dynamical decoupling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.04530","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":"sha256:36326c6dd3c5db28b65d43bfba2b7eeb8cc282f503634ec808daf2d9d0a589e6","target":"record","created_at":"2026-07-05T06:01:55Z","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":"d161be7ada7fac87f331ddabe41699317992de1efc98f69d40c4ff93f594dab5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-08-10T09:16:05Z","title_canon_sha256":"3c4c7ab25549a727b223c0b46c2d2f2dbb639962512a0e0402dd6a81eaed175a"},"schema_version":"1.0","source":{"id":"2108.04530","kind":"arxiv","version":2}},"canonical_sha256":"5a39ec3f5608fa4ee4f69adcf053cf791b123665e19559d220ab4bb94539b056","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5a39ec3f5608fa4ee4f69adcf053cf791b123665e19559d220ab4bb94539b056","first_computed_at":"2026-07-05T06:01:55.435644Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:01:55.435644Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"E+c0EUY4iOABvqYgvh6zhIptpnernkTDvdMU2d7l7De8O8bx39cSEnTj6sxoRWD7wiU4fjL2457cRtTqI1l0Cw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:01:55.436143Z","signed_message":"canonical_sha256_bytes"},"source_id":"2108.04530","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:36326c6dd3c5db28b65d43bfba2b7eeb8cc282f503634ec808daf2d9d0a589e6","sha256:88822e5d0f61196f82e8aa1f770ce9296e1a1fc94ed107d90e13991415e9faa7"],"state_sha256":"67244317e6ee946553ed7fdbc575c6f5209473d8a9ff47faa657d491e70865a9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OpZ4y+BZ9OIn6FSHHYtxYXtpyovk4QM35m/9JWU0YnZHn+08hTA+fPNzCDW+IW/3jxdNSsPLKHWQ+jof1EG+Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T10:31:20.639339Z","bundle_sha256":"d6fdb2c17be1710bf7854ebc68cb13947d20859164bd75e448a813800852b457"}}