{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:BIG2RAW7NFKODPRGWWC2NFZQOW","short_pith_number":"pith:BIG2RAW7","canonical_record":{"source":{"id":"2209.09615","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-09-20T11:14:00Z","cross_cats_sorted":[],"title_canon_sha256":"9bf6f7872b2ab6d3cd3b5dd0d5d9a0186f01c9e1a8e63e545be696c6f43f914c","abstract_canon_sha256":"36656f8fe29bb4938fc644e711d2cc5faf9fd11ff6c0c74ab66c8e586e036ef0"},"schema_version":"1.0"},"canonical_sha256":"0a0da882df6954e1be26b585a6973075b23f97787b69cf4fdae11e4725ede51c","source":{"kind":"arxiv","id":"2209.09615","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.09615","created_at":"2026-07-05T04:59:02Z"},{"alias_kind":"arxiv_version","alias_value":"2209.09615v1","created_at":"2026-07-05T04:59:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.09615","created_at":"2026-07-05T04:59:02Z"},{"alias_kind":"pith_short_12","alias_value":"BIG2RAW7NFKO","created_at":"2026-07-05T04:59:02Z"},{"alias_kind":"pith_short_16","alias_value":"BIG2RAW7NFKODPRG","created_at":"2026-07-05T04:59:02Z"},{"alias_kind":"pith_short_8","alias_value":"BIG2RAW7","created_at":"2026-07-05T04:59:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:BIG2RAW7NFKODPRGWWC2NFZQOW","target":"record","payload":{"canonical_record":{"source":{"id":"2209.09615","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-09-20T11:14:00Z","cross_cats_sorted":[],"title_canon_sha256":"9bf6f7872b2ab6d3cd3b5dd0d5d9a0186f01c9e1a8e63e545be696c6f43f914c","abstract_canon_sha256":"36656f8fe29bb4938fc644e711d2cc5faf9fd11ff6c0c74ab66c8e586e036ef0"},"schema_version":"1.0"},"canonical_sha256":"0a0da882df6954e1be26b585a6973075b23f97787b69cf4fdae11e4725ede51c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:59:02.269361Z","signature_b64":"2GN8/G8UpendnXEMhe/yE7AXhH0a72awYnerg0k4c0hsR5roURz6Y1pOZXfp7Q+ykGm9t6OvHA39DsbcXmBTAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0a0da882df6954e1be26b585a6973075b23f97787b69cf4fdae11e4725ede51c","last_reissued_at":"2026-07-05T04:59:02.268888Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:59:02.268888Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2209.09615","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":"2026-07-05T04:59:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4SbcQXCr+VzI6KTbNaidXmXoAdR9SR60a/ceudIEigx9ueOORcrLXBlbsJjkmJHgDhUlzAFdXL1TcAnS6YOrBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T18:20:38.219945Z"},"content_sha256":"d2a50bdf7bc9b56425a3617d5f28715f3496e4c8eed2fc8413ebaac7a1a95de9","schema_version":"1.0","event_id":"sha256:d2a50bdf7bc9b56425a3617d5f28715f3496e4c8eed2fc8413ebaac7a1a95de9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:BIG2RAW7NFKODPRGWWC2NFZQOW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fast Ion Gates Outside the Lamb-Dicke Regime by Robust Quantum Optimal Control","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Jun Li, Xiaodong Yang, Yao Lu, Yiheng Lin","submitted_at":"2022-09-20T11:14:00Z","abstract_excerpt":"We present a robust quantum optimal control framework for implementing fast entangling gates on ion-trap quantum processors. The framework leverages tailored laser pulses to drive the multiple vibrational sidebands of the ions to create phonon-mediated entangling gates and, unlike the state of the art, requires neither weak-coupling Lamb-Dicke approximation nor perturbation treatment. With the application of gradient-based optimal control, it enables finding amplitude- and phase-modulated laser control protocols that work beyond the Lamb-Dicke regime, promising gate speed at the order of micro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.09615","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/2209.09615/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":"2026-07-05T04:59:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6ZNOb00n9Xli/q66WVZF9KmpKmmIWLMGqCikZ64IQcfRDX0qnfipL15tqN3B4MftRh1DcH+MfY4UUDlgD9B9CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T18:20:38.220851Z"},"content_sha256":"2ecb93a06bb82a2a3313079ba2ccdd7d0343e79d83bd1d59376f0628cb40f8b3","schema_version":"1.0","event_id":"sha256:2ecb93a06bb82a2a3313079ba2ccdd7d0343e79d83bd1d59376f0628cb40f8b3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BIG2RAW7NFKODPRGWWC2NFZQOW/bundle.json","state_url":"https://pith.science/pith/BIG2RAW7NFKODPRGWWC2NFZQOW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BIG2RAW7NFKODPRGWWC2NFZQOW/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":"2026-08-17T18:20:38Z","links":{"resolver":"https://pith.science/pith/BIG2RAW7NFKODPRGWWC2NFZQOW","bundle":"https://pith.science/pith/BIG2RAW7NFKODPRGWWC2NFZQOW/bundle.json","state":"https://pith.science/pith/BIG2RAW7NFKODPRGWWC2NFZQOW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BIG2RAW7NFKODPRGWWC2NFZQOW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:BIG2RAW7NFKODPRGWWC2NFZQOW","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":"36656f8fe29bb4938fc644e711d2cc5faf9fd11ff6c0c74ab66c8e586e036ef0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-09-20T11:14:00Z","title_canon_sha256":"9bf6f7872b2ab6d3cd3b5dd0d5d9a0186f01c9e1a8e63e545be696c6f43f914c"},"schema_version":"1.0","source":{"id":"2209.09615","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.09615","created_at":"2026-07-05T04:59:02Z"},{"alias_kind":"arxiv_version","alias_value":"2209.09615v1","created_at":"2026-07-05T04:59:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.09615","created_at":"2026-07-05T04:59:02Z"},{"alias_kind":"pith_short_12","alias_value":"BIG2RAW7NFKO","created_at":"2026-07-05T04:59:02Z"},{"alias_kind":"pith_short_16","alias_value":"BIG2RAW7NFKODPRG","created_at":"2026-07-05T04:59:02Z"},{"alias_kind":"pith_short_8","alias_value":"BIG2RAW7","created_at":"2026-07-05T04:59:02Z"}],"graph_snapshots":[{"event_id":"sha256:2ecb93a06bb82a2a3313079ba2ccdd7d0343e79d83bd1d59376f0628cb40f8b3","target":"graph","created_at":"2026-07-05T04:59:02Z","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/2209.09615/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a robust quantum optimal control framework for implementing fast entangling gates on ion-trap quantum processors. The framework leverages tailored laser pulses to drive the multiple vibrational sidebands of the ions to create phonon-mediated entangling gates and, unlike the state of the art, requires neither weak-coupling Lamb-Dicke approximation nor perturbation treatment. With the application of gradient-based optimal control, it enables finding amplitude- and phase-modulated laser control protocols that work beyond the Lamb-Dicke regime, promising gate speed at the order of micro","authors_text":"Jun Li, Xiaodong Yang, Yao Lu, Yiheng Lin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-09-20T11:14:00Z","title":"Fast Ion Gates Outside the Lamb-Dicke Regime by Robust Quantum Optimal Control"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.09615","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:d2a50bdf7bc9b56425a3617d5f28715f3496e4c8eed2fc8413ebaac7a1a95de9","target":"record","created_at":"2026-07-05T04:59:02Z","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":"36656f8fe29bb4938fc644e711d2cc5faf9fd11ff6c0c74ab66c8e586e036ef0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-09-20T11:14:00Z","title_canon_sha256":"9bf6f7872b2ab6d3cd3b5dd0d5d9a0186f01c9e1a8e63e545be696c6f43f914c"},"schema_version":"1.0","source":{"id":"2209.09615","kind":"arxiv","version":1}},"canonical_sha256":"0a0da882df6954e1be26b585a6973075b23f97787b69cf4fdae11e4725ede51c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0a0da882df6954e1be26b585a6973075b23f97787b69cf4fdae11e4725ede51c","first_computed_at":"2026-07-05T04:59:02.268888Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:59:02.268888Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2GN8/G8UpendnXEMhe/yE7AXhH0a72awYnerg0k4c0hsR5roURz6Y1pOZXfp7Q+ykGm9t6OvHA39DsbcXmBTAA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:59:02.269361Z","signed_message":"canonical_sha256_bytes"},"source_id":"2209.09615","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d2a50bdf7bc9b56425a3617d5f28715f3496e4c8eed2fc8413ebaac7a1a95de9","sha256:2ecb93a06bb82a2a3313079ba2ccdd7d0343e79d83bd1d59376f0628cb40f8b3"],"state_sha256":"f93026a96563ad73767517516efa50d31493508a96048892e26232d9cdc58b0d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sXruMLAIzsrtUHYOMpo0RKG+fXV8525ta1OF3AFcOdCpttpn2Wlg5uGHdxNQvEnSN3LHUitDKmCCi24Xx4j/Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T18:20:38.235359Z","bundle_sha256":"61dba4c75fa2ea7e17cafb040084dd8e8e67e28087af9c8c16d0f5236b985362"}}