{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:JIPRAZHVFHQH22TLDLDO27DSBN","short_pith_number":"pith:JIPRAZHV","canonical_record":{"source":{"id":"2208.14193","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-08-30T12:09:40Z","cross_cats_sorted":["cs.SY","eess.SY"],"title_canon_sha256":"63df8ec2bc5269fc728f0be53bbbfa9367fabc1cd78c6d5653a3e217993f6491","abstract_canon_sha256":"238a0ee18776403e44d0edabb500574fd772ea68af588ec8b3f15c95686a0457"},"schema_version":"1.0"},"canonical_sha256":"4a1f1064f529e07d6a6b1ac6ed7c720b56d0f45bb9b9d2e736b35b21bcd47302","source":{"kind":"arxiv","id":"2208.14193","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.14193","created_at":"2026-07-05T04:53:09Z"},{"alias_kind":"arxiv_version","alias_value":"2208.14193v1","created_at":"2026-07-05T04:53:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.14193","created_at":"2026-07-05T04:53:09Z"},{"alias_kind":"pith_short_12","alias_value":"JIPRAZHVFHQH","created_at":"2026-07-05T04:53:09Z"},{"alias_kind":"pith_short_16","alias_value":"JIPRAZHVFHQH22TL","created_at":"2026-07-05T04:53:09Z"},{"alias_kind":"pith_short_8","alias_value":"JIPRAZHV","created_at":"2026-07-05T04:53:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:JIPRAZHVFHQH22TLDLDO27DSBN","target":"record","payload":{"canonical_record":{"source":{"id":"2208.14193","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-08-30T12:09:40Z","cross_cats_sorted":["cs.SY","eess.SY"],"title_canon_sha256":"63df8ec2bc5269fc728f0be53bbbfa9367fabc1cd78c6d5653a3e217993f6491","abstract_canon_sha256":"238a0ee18776403e44d0edabb500574fd772ea68af588ec8b3f15c95686a0457"},"schema_version":"1.0"},"canonical_sha256":"4a1f1064f529e07d6a6b1ac6ed7c720b56d0f45bb9b9d2e736b35b21bcd47302","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:53:09.730109Z","signature_b64":"7TtA3wwmuyqXxAyRVpiSOOPUzaRx7E/h2wTUjB3Xe+lWyZQrG7GjGf7jaVtTYTPJm7WZdqFfbBvoxZVdmgkpDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4a1f1064f529e07d6a6b1ac6ed7c720b56d0f45bb9b9d2e736b35b21bcd47302","last_reissued_at":"2026-07-05T04:53:09.729715Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:53:09.729715Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2208.14193","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":"2026-07-05T04:53:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"stEgIiidXx+qnLzAzj3GHacyqbNFcSd/PK8BsDqi9W4dcNy+KPp62zFVCajoG4JMBtMaAvrafUb6gTGBcFLzCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T12:51:25.733356Z"},"content_sha256":"ecac7f46e8d15875f2380df88040e03def2ec1cc3772988134ccccad28bec831","schema_version":"1.0","event_id":"sha256:ecac7f46e8d15875f2380df88040e03def2ec1cc3772988134ccccad28bec831"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:JIPRAZHVFHQH22TLDLDO27DSBN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Robust Quantum Control: Analysis & Synthesis via Averaging","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.SY","eess.SY"],"primary_cat":"quant-ph","authors_text":"Gaurav Bhole, Herschel Rabitz, Robert L. Kosut","submitted_at":"2022-08-30T12:09:40Z","abstract_excerpt":"An approach is presented for robustness analysis and quantum (unitary) control synthesis based on the classic method of averaging. The result is a multicriterion optimization competing the nominal (uncertainty-free) fidelity with a well known robustness measure: the size of an interaction (error) Hamiltonian, essentially the first term in the Magnus expansion of an interaction unitary. Combining this with the fact that the topology of the control landscape at high fidelity is determined by the null space of the nominal fidelity Hessian, we arrive at a new two-stage algorithm. Once the nominal "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.14193","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/2208.14193/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":"2026-07-05T04:53:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B+lDDtcwJ9/314fpuFbbLbVqGMLa0gmwcoT3FyoHLaUrwW3+HCV8buezq1gmD/BQuKG9s80V3zDbcDEz7rtPDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T12:51:25.734137Z"},"content_sha256":"8e53909cb9a236cba78d496d00c3880a39a4861677ee92a2d269a739e9332977","schema_version":"1.0","event_id":"sha256:8e53909cb9a236cba78d496d00c3880a39a4861677ee92a2d269a739e9332977"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JIPRAZHVFHQH22TLDLDO27DSBN/bundle.json","state_url":"https://pith.science/pith/JIPRAZHVFHQH22TLDLDO27DSBN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JIPRAZHVFHQH22TLDLDO27DSBN/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":"2026-08-07T12:51:25Z","links":{"resolver":"https://pith.science/pith/JIPRAZHVFHQH22TLDLDO27DSBN","bundle":"https://pith.science/pith/JIPRAZHVFHQH22TLDLDO27DSBN/bundle.json","state":"https://pith.science/pith/JIPRAZHVFHQH22TLDLDO27DSBN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JIPRAZHVFHQH22TLDLDO27DSBN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:JIPRAZHVFHQH22TLDLDO27DSBN","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":"238a0ee18776403e44d0edabb500574fd772ea68af588ec8b3f15c95686a0457","cross_cats_sorted":["cs.SY","eess.SY"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-08-30T12:09:40Z","title_canon_sha256":"63df8ec2bc5269fc728f0be53bbbfa9367fabc1cd78c6d5653a3e217993f6491"},"schema_version":"1.0","source":{"id":"2208.14193","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.14193","created_at":"2026-07-05T04:53:09Z"},{"alias_kind":"arxiv_version","alias_value":"2208.14193v1","created_at":"2026-07-05T04:53:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.14193","created_at":"2026-07-05T04:53:09Z"},{"alias_kind":"pith_short_12","alias_value":"JIPRAZHVFHQH","created_at":"2026-07-05T04:53:09Z"},{"alias_kind":"pith_short_16","alias_value":"JIPRAZHVFHQH22TL","created_at":"2026-07-05T04:53:09Z"},{"alias_kind":"pith_short_8","alias_value":"JIPRAZHV","created_at":"2026-07-05T04:53:09Z"}],"graph_snapshots":[{"event_id":"sha256:8e53909cb9a236cba78d496d00c3880a39a4861677ee92a2d269a739e9332977","target":"graph","created_at":"2026-07-05T04:53:09Z","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/2208.14193/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"An approach is presented for robustness analysis and quantum (unitary) control synthesis based on the classic method of averaging. The result is a multicriterion optimization competing the nominal (uncertainty-free) fidelity with a well known robustness measure: the size of an interaction (error) Hamiltonian, essentially the first term in the Magnus expansion of an interaction unitary. Combining this with the fact that the topology of the control landscape at high fidelity is determined by the null space of the nominal fidelity Hessian, we arrive at a new two-stage algorithm. Once the nominal ","authors_text":"Gaurav Bhole, Herschel Rabitz, Robert L. Kosut","cross_cats":["cs.SY","eess.SY"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-08-30T12:09:40Z","title":"Robust Quantum Control: Analysis & Synthesis via Averaging"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.14193","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:ecac7f46e8d15875f2380df88040e03def2ec1cc3772988134ccccad28bec831","target":"record","created_at":"2026-07-05T04:53:09Z","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":"238a0ee18776403e44d0edabb500574fd772ea68af588ec8b3f15c95686a0457","cross_cats_sorted":["cs.SY","eess.SY"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-08-30T12:09:40Z","title_canon_sha256":"63df8ec2bc5269fc728f0be53bbbfa9367fabc1cd78c6d5653a3e217993f6491"},"schema_version":"1.0","source":{"id":"2208.14193","kind":"arxiv","version":1}},"canonical_sha256":"4a1f1064f529e07d6a6b1ac6ed7c720b56d0f45bb9b9d2e736b35b21bcd47302","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4a1f1064f529e07d6a6b1ac6ed7c720b56d0f45bb9b9d2e736b35b21bcd47302","first_computed_at":"2026-07-05T04:53:09.729715Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:53:09.729715Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7TtA3wwmuyqXxAyRVpiSOOPUzaRx7E/h2wTUjB3Xe+lWyZQrG7GjGf7jaVtTYTPJm7WZdqFfbBvoxZVdmgkpDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:53:09.730109Z","signed_message":"canonical_sha256_bytes"},"source_id":"2208.14193","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ecac7f46e8d15875f2380df88040e03def2ec1cc3772988134ccccad28bec831","sha256:8e53909cb9a236cba78d496d00c3880a39a4861677ee92a2d269a739e9332977"],"state_sha256":"48b7e40fa1bb82839b3c819a9468634adea42de6399c5d436bbb03c48d132f8d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6RIWJ2n/CGL/xB1QolHmz7c/AVLZ/i0ssoLYUMYzgzmVB8QkYvniVXkH/lv7+Qjkwrvd1CPa6xXpQO03sQ/0Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T12:51:25.753758Z","bundle_sha256":"1f09f68cce7008de4960b634fe08f637b8df648e8694fd17814dfb58d1e268bf"}}