{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:UGCFJYDQR7FFJEX4TXURYAINXW","short_pith_number":"pith:UGCFJYDQ","canonical_record":{"source":{"id":"2309.14703","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-09-26T06:45:38Z","cross_cats_sorted":[],"title_canon_sha256":"417196f3cdae0ed918f0bd157d34ea04188cc53c6055f12c582bca19f9c3de85","abstract_canon_sha256":"46f487e43468594c40f3ce4aa2950a2bd3ec418d4b8ed43da999d41fd33d837a"},"schema_version":"1.0"},"canonical_sha256":"a18454e0708fca5492fc9de91c010dbdbca822a7715227de92155548d7c1c43c","source":{"kind":"arxiv","id":"2309.14703","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.14703","created_at":"2026-07-05T08:57:52Z"},{"alias_kind":"arxiv_version","alias_value":"2309.14703v2","created_at":"2026-07-05T08:57:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.14703","created_at":"2026-07-05T08:57:52Z"},{"alias_kind":"pith_short_12","alias_value":"UGCFJYDQR7FF","created_at":"2026-07-05T08:57:52Z"},{"alias_kind":"pith_short_16","alias_value":"UGCFJYDQR7FFJEX4","created_at":"2026-07-05T08:57:52Z"},{"alias_kind":"pith_short_8","alias_value":"UGCFJYDQ","created_at":"2026-07-05T08:57:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:UGCFJYDQR7FFJEX4TXURYAINXW","target":"record","payload":{"canonical_record":{"source":{"id":"2309.14703","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-09-26T06:45:38Z","cross_cats_sorted":[],"title_canon_sha256":"417196f3cdae0ed918f0bd157d34ea04188cc53c6055f12c582bca19f9c3de85","abstract_canon_sha256":"46f487e43468594c40f3ce4aa2950a2bd3ec418d4b8ed43da999d41fd33d837a"},"schema_version":"1.0"},"canonical_sha256":"a18454e0708fca5492fc9de91c010dbdbca822a7715227de92155548d7c1c43c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:57:52.497799Z","signature_b64":"0Ps2l/PoDu8UO0GLng0azWpgnZrbs08VmSvcS+bYMwSSKgUQQvdtTszle1CTNF0yaycwh/Pn50WKYJJVDkm6Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a18454e0708fca5492fc9de91c010dbdbca822a7715227de92155548d7c1c43c","last_reissued_at":"2026-07-05T08:57:52.497406Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:57:52.497406Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2309.14703","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":"2026-07-05T08:57:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FRVy3iK7BXC8Hfnty/KoexpNQD8JTdshjCoKZr1HLgvdFRGl9m5DJHTDW4x4vXyKhLdTLS/EG/b+cpITwGZBDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:35:05.420723Z"},"content_sha256":"8473363667ffb6f0da21c0c12aadebf38b6ea31a785b5091d03a59f792f34e1f","schema_version":"1.0","event_id":"sha256:8473363667ffb6f0da21c0c12aadebf38b6ea31a785b5091d03a59f792f34e1f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:UGCFJYDQR7FFJEX4TXURYAINXW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"In-situ characterization of qubit drive-phase distortions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. D. Leu, D. M. Lucas, J. M. Litarowicz, M. F. Gely","submitted_at":"2023-09-26T06:45:38Z","abstract_excerpt":"Reducing errors in quantum gates is critical to the development of quantum computers. To do so, any distortions in the control signals should be identified, however, conventional tools are not always applicable when part of the system is under high vacuum, cryogenic, or microscopic. Here, we demonstrate a method to detect and compensate for amplitude-dependent phase changes, using the qubit itself as a probe. The technique is implemented using a microwave-driven trapped ion qubit, where correcting phase distortions leads to a three-fold improvement in single-qubit gate error, to attain state-o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.14703","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/2309.14703/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":"2026-07-05T08:57:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xjoOktMgNkv+vkSfOyZsHCwrmts5KVadHaAyWc80VoPfHf5uJapMfDdh13VyMm1Bs2rCHgc9rEkMt7JlciNFCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:35:05.421106Z"},"content_sha256":"c1ebceedf234ad8721eb225437f7391be50dd17b5c4cfbf36fc156f21c91b346","schema_version":"1.0","event_id":"sha256:c1ebceedf234ad8721eb225437f7391be50dd17b5c4cfbf36fc156f21c91b346"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UGCFJYDQR7FFJEX4TXURYAINXW/bundle.json","state_url":"https://pith.science/pith/UGCFJYDQR7FFJEX4TXURYAINXW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UGCFJYDQR7FFJEX4TXURYAINXW/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":"2026-07-07T13:35:05Z","links":{"resolver":"https://pith.science/pith/UGCFJYDQR7FFJEX4TXURYAINXW","bundle":"https://pith.science/pith/UGCFJYDQR7FFJEX4TXURYAINXW/bundle.json","state":"https://pith.science/pith/UGCFJYDQR7FFJEX4TXURYAINXW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UGCFJYDQR7FFJEX4TXURYAINXW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:UGCFJYDQR7FFJEX4TXURYAINXW","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":"46f487e43468594c40f3ce4aa2950a2bd3ec418d4b8ed43da999d41fd33d837a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-09-26T06:45:38Z","title_canon_sha256":"417196f3cdae0ed918f0bd157d34ea04188cc53c6055f12c582bca19f9c3de85"},"schema_version":"1.0","source":{"id":"2309.14703","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.14703","created_at":"2026-07-05T08:57:52Z"},{"alias_kind":"arxiv_version","alias_value":"2309.14703v2","created_at":"2026-07-05T08:57:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.14703","created_at":"2026-07-05T08:57:52Z"},{"alias_kind":"pith_short_12","alias_value":"UGCFJYDQR7FF","created_at":"2026-07-05T08:57:52Z"},{"alias_kind":"pith_short_16","alias_value":"UGCFJYDQR7FFJEX4","created_at":"2026-07-05T08:57:52Z"},{"alias_kind":"pith_short_8","alias_value":"UGCFJYDQ","created_at":"2026-07-05T08:57:52Z"}],"graph_snapshots":[{"event_id":"sha256:c1ebceedf234ad8721eb225437f7391be50dd17b5c4cfbf36fc156f21c91b346","target":"graph","created_at":"2026-07-05T08:57:52Z","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/2309.14703/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Reducing errors in quantum gates is critical to the development of quantum computers. To do so, any distortions in the control signals should be identified, however, conventional tools are not always applicable when part of the system is under high vacuum, cryogenic, or microscopic. Here, we demonstrate a method to detect and compensate for amplitude-dependent phase changes, using the qubit itself as a probe. The technique is implemented using a microwave-driven trapped ion qubit, where correcting phase distortions leads to a three-fold improvement in single-qubit gate error, to attain state-o","authors_text":"A. D. Leu, D. M. Lucas, J. M. Litarowicz, M. F. Gely","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-09-26T06:45:38Z","title":"In-situ characterization of qubit drive-phase distortions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.14703","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":"sha256:8473363667ffb6f0da21c0c12aadebf38b6ea31a785b5091d03a59f792f34e1f","target":"record","created_at":"2026-07-05T08:57:52Z","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":"46f487e43468594c40f3ce4aa2950a2bd3ec418d4b8ed43da999d41fd33d837a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-09-26T06:45:38Z","title_canon_sha256":"417196f3cdae0ed918f0bd157d34ea04188cc53c6055f12c582bca19f9c3de85"},"schema_version":"1.0","source":{"id":"2309.14703","kind":"arxiv","version":2}},"canonical_sha256":"a18454e0708fca5492fc9de91c010dbdbca822a7715227de92155548d7c1c43c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a18454e0708fca5492fc9de91c010dbdbca822a7715227de92155548d7c1c43c","first_computed_at":"2026-07-05T08:57:52.497406Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:57:52.497406Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0Ps2l/PoDu8UO0GLng0azWpgnZrbs08VmSvcS+bYMwSSKgUQQvdtTszle1CTNF0yaycwh/Pn50WKYJJVDkm6Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:57:52.497799Z","signed_message":"canonical_sha256_bytes"},"source_id":"2309.14703","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8473363667ffb6f0da21c0c12aadebf38b6ea31a785b5091d03a59f792f34e1f","sha256:c1ebceedf234ad8721eb225437f7391be50dd17b5c4cfbf36fc156f21c91b346"],"state_sha256":"9ef99a77df197990373024f64a5985fea5d21fe4a00a1d7c9b98c1fc22afd832"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y6nnqDPXElMIr+0m5bap9Lj4LSRFIv6kOjmCMNO/3dQ1yDQUkz/dzz6oZna3KyMLwNUAFHmbxR7zLFtAdsvBDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T13:35:05.426368Z","bundle_sha256":"8186be868b7e59da6c4ea8d6d17df304fc7af98d0145299eb3a9bd1e522920c6"}}