{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:BVWCZV6ZG7JHQMSELWARKSENER","short_pith_number":"pith:BVWCZV6Z","canonical_record":{"source":{"id":"1811.02124","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-11-06T02:06:41Z","cross_cats_sorted":[],"title_canon_sha256":"9325d6164082b906a99a377a2d1a8fe0c03ee75e3ff0538a053555d0c8929184","abstract_canon_sha256":"e62d35c7e4f1cd8cdaa5ad1f4a487310801349ce63592d58bf86c488dcb8d3a8"},"schema_version":"1.0"},"canonical_sha256":"0d6c2cd7d937d27832445d8115488d246a845ba8edaa8de83977760a5889f698","source":{"kind":"arxiv","id":"1811.02124","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.02124","created_at":"2026-05-17T23:52:27Z"},{"alias_kind":"arxiv_version","alias_value":"1811.02124v2","created_at":"2026-05-17T23:52:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.02124","created_at":"2026-05-17T23:52:27Z"},{"alias_kind":"pith_short_12","alias_value":"BVWCZV6ZG7JH","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"BVWCZV6ZG7JHQMSE","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"BVWCZV6Z","created_at":"2026-05-18T12:32:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:BVWCZV6ZG7JHQMSELWARKSENER","target":"record","payload":{"canonical_record":{"source":{"id":"1811.02124","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-11-06T02:06:41Z","cross_cats_sorted":[],"title_canon_sha256":"9325d6164082b906a99a377a2d1a8fe0c03ee75e3ff0538a053555d0c8929184","abstract_canon_sha256":"e62d35c7e4f1cd8cdaa5ad1f4a487310801349ce63592d58bf86c488dcb8d3a8"},"schema_version":"1.0"},"canonical_sha256":"0d6c2cd7d937d27832445d8115488d246a845ba8edaa8de83977760a5889f698","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:27.002733Z","signature_b64":"ropSrOKsiAVXuy70KTkrAdgB8K5YmfV7VT3fPOLhhf3hGUclSify2F/yDxfBCv6vNxYfoZEBWWrwoX0m+iVcBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0d6c2cd7d937d27832445d8115488d246a845ba8edaa8de83977760a5889f698","last_reissued_at":"2026-05-17T23:52:27.002166Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:27.002166Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.02124","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":"2026-05-17T23:52:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aqjLPl9xahpbmMyBcypnnjjRfKvrjUPWSWT59tTIfPsbaSXuxXHDsvI6xpotZAZ7sCVnCEyRDWgrVSOE80NlAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:36:45.030191Z"},"content_sha256":"f1a44c89e952086d3343bd656f0cffd96199bb10550866bfa6ad47929c2a2796","schema_version":"1.0","event_id":"sha256:f1a44c89e952086d3343bd656f0cffd96199bb10550866bfa6ad47929c2a2796"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:BVWCZV6ZG7JHQMSELWARKSENER","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hamiltonian Engineering with Constrained Optimization for Quantum Sensing and Control","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Danielle A. Braje, Isaac L. Chuang, John F. Barry, Lior Horesh, Michael F. O'Keeffe","submitted_at":"2018-11-06T02:06:41Z","abstract_excerpt":"While quantum devices rely on interactions between constituent subsystems and with their environment to operate, native interactions alone often fail to deliver targeted performance. Coherent pulsed control provides the ability to tailor effective interactions, known as Hamiltonian engineering. We propose a Hamiltonian engineering method that maximizes desired interactions while mitigating deleterious ones by conducting a pulse sequence search using constrained optimization. The optimization formulation incorporates pulse sequence length and cardinality penalties consistent with linear or inte"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.02124","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":""},"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":"2026-05-17T23:52:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8HODYWGmpfZ05G4rvZt/aI61XeAqqKsebi39ex/Hd086aRQjRokwGnj70XoRzwBKSLfP+TCc3wIEAjLb9b1tDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:36:45.030890Z"},"content_sha256":"174b20bca4f8cc18d3928069cdd77271f1de73a5607e94a37415b6c93ca34d7c","schema_version":"1.0","event_id":"sha256:174b20bca4f8cc18d3928069cdd77271f1de73a5607e94a37415b6c93ca34d7c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BVWCZV6ZG7JHQMSELWARKSENER/bundle.json","state_url":"https://pith.science/pith/BVWCZV6ZG7JHQMSELWARKSENER/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BVWCZV6ZG7JHQMSELWARKSENER/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":"2026-05-27T01:36:45Z","links":{"resolver":"https://pith.science/pith/BVWCZV6ZG7JHQMSELWARKSENER","bundle":"https://pith.science/pith/BVWCZV6ZG7JHQMSELWARKSENER/bundle.json","state":"https://pith.science/pith/BVWCZV6ZG7JHQMSELWARKSENER/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BVWCZV6ZG7JHQMSELWARKSENER/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:BVWCZV6ZG7JHQMSELWARKSENER","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":"e62d35c7e4f1cd8cdaa5ad1f4a487310801349ce63592d58bf86c488dcb8d3a8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-11-06T02:06:41Z","title_canon_sha256":"9325d6164082b906a99a377a2d1a8fe0c03ee75e3ff0538a053555d0c8929184"},"schema_version":"1.0","source":{"id":"1811.02124","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.02124","created_at":"2026-05-17T23:52:27Z"},{"alias_kind":"arxiv_version","alias_value":"1811.02124v2","created_at":"2026-05-17T23:52:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.02124","created_at":"2026-05-17T23:52:27Z"},{"alias_kind":"pith_short_12","alias_value":"BVWCZV6ZG7JH","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"BVWCZV6ZG7JHQMSE","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"BVWCZV6Z","created_at":"2026-05-18T12:32:16Z"}],"graph_snapshots":[{"event_id":"sha256:174b20bca4f8cc18d3928069cdd77271f1de73a5607e94a37415b6c93ca34d7c","target":"graph","created_at":"2026-05-17T23:52:27Z","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"},"paper":{"abstract_excerpt":"While quantum devices rely on interactions between constituent subsystems and with their environment to operate, native interactions alone often fail to deliver targeted performance. Coherent pulsed control provides the ability to tailor effective interactions, known as Hamiltonian engineering. We propose a Hamiltonian engineering method that maximizes desired interactions while mitigating deleterious ones by conducting a pulse sequence search using constrained optimization. The optimization formulation incorporates pulse sequence length and cardinality penalties consistent with linear or inte","authors_text":"Danielle A. Braje, Isaac L. Chuang, John F. Barry, Lior Horesh, Michael F. O'Keeffe","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-11-06T02:06:41Z","title":"Hamiltonian Engineering with Constrained Optimization for Quantum Sensing and Control"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.02124","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:f1a44c89e952086d3343bd656f0cffd96199bb10550866bfa6ad47929c2a2796","target":"record","created_at":"2026-05-17T23:52:27Z","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":"e62d35c7e4f1cd8cdaa5ad1f4a487310801349ce63592d58bf86c488dcb8d3a8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-11-06T02:06:41Z","title_canon_sha256":"9325d6164082b906a99a377a2d1a8fe0c03ee75e3ff0538a053555d0c8929184"},"schema_version":"1.0","source":{"id":"1811.02124","kind":"arxiv","version":2}},"canonical_sha256":"0d6c2cd7d937d27832445d8115488d246a845ba8edaa8de83977760a5889f698","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0d6c2cd7d937d27832445d8115488d246a845ba8edaa8de83977760a5889f698","first_computed_at":"2026-05-17T23:52:27.002166Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:52:27.002166Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ropSrOKsiAVXuy70KTkrAdgB8K5YmfV7VT3fPOLhhf3hGUclSify2F/yDxfBCv6vNxYfoZEBWWrwoX0m+iVcBQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:52:27.002733Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.02124","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f1a44c89e952086d3343bd656f0cffd96199bb10550866bfa6ad47929c2a2796","sha256:174b20bca4f8cc18d3928069cdd77271f1de73a5607e94a37415b6c93ca34d7c"],"state_sha256":"ac21da3f2d7387286cad68ea72178be01b7a5d8ee52502ccde6419c2693c6fc7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tKHQVnn5D19UdR8HWWrxQz77+llsmtBVB15ZjCnj7vOqnpnBdROc7bkHvyO6xRUSluzPyS2m3xX9ULJjZw8wDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T01:36:45.033698Z","bundle_sha256":"5370243f15ecf5b355f1a3fe0c51d983f1ca3be7d972b16a994b7add3d0041c7"}}