{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:TI3NKT66MWT7R65Z2UHUTJSXU3","short_pith_number":"pith:TI3NKT66","canonical_record":{"source":{"id":"2406.08169","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-06-12T12:58:43Z","cross_cats_sorted":[],"title_canon_sha256":"307eb5d5f58817d2d134591f09a2cfe6393fbf0ab019793f699950b6b56878fc","abstract_canon_sha256":"bd1448c5c6aadb228367b237e011a187299ee10b876045e62cfe35ccec041569"},"schema_version":"1.0"},"canonical_sha256":"9a36d54fde65a7f8fbb9d50f49a657a6edaada379da80bf26e0ad6e94adaaff8","source":{"kind":"arxiv","id":"2406.08169","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.08169","created_at":"2026-07-05T10:48:16Z"},{"alias_kind":"arxiv_version","alias_value":"2406.08169v2","created_at":"2026-07-05T10:48:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.08169","created_at":"2026-07-05T10:48:16Z"},{"alias_kind":"pith_short_12","alias_value":"TI3NKT66MWT7","created_at":"2026-07-05T10:48:16Z"},{"alias_kind":"pith_short_16","alias_value":"TI3NKT66MWT7R65Z","created_at":"2026-07-05T10:48:16Z"},{"alias_kind":"pith_short_8","alias_value":"TI3NKT66","created_at":"2026-07-05T10:48:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:TI3NKT66MWT7R65Z2UHUTJSXU3","target":"record","payload":{"canonical_record":{"source":{"id":"2406.08169","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-06-12T12:58:43Z","cross_cats_sorted":[],"title_canon_sha256":"307eb5d5f58817d2d134591f09a2cfe6393fbf0ab019793f699950b6b56878fc","abstract_canon_sha256":"bd1448c5c6aadb228367b237e011a187299ee10b876045e62cfe35ccec041569"},"schema_version":"1.0"},"canonical_sha256":"9a36d54fde65a7f8fbb9d50f49a657a6edaada379da80bf26e0ad6e94adaaff8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:48:16.666975Z","signature_b64":"8pUUJV3Pw2tQG14pRJs+O+p9tXI4p6U8n4iLJlO+ZWE3NZnoyXqvyD98hST4j8xv+svpDTaYTvs5MxjX76G7DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9a36d54fde65a7f8fbb9d50f49a657a6edaada379da80bf26e0ad6e94adaaff8","last_reissued_at":"2026-07-05T10:48:16.666496Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:48:16.666496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.08169","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":"2026-07-05T10:48:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PLEmrMR25Urfp4VLNSNVDxQIavcOHuD0wUpLUo7KzuQrHHOsmVj5QjTQNTQ6d1L0LU7KYoti64gNAAhsseaDDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T19:01:24.831491Z"},"content_sha256":"6ddc270430efde7cbfeeee3128fcd5c0e95399d995775e98ffb92c41701038ef","schema_version":"1.0","event_id":"sha256:6ddc270430efde7cbfeeee3128fcd5c0e95399d995775e98ffb92c41701038ef"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:TI3NKT66MWT7R65Z2UHUTJSXU3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Feedback-Based Quantum Algorithm for Constrained Optimization Problems","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"\\\"Ozkan Karabacak, Rafal Wisniewski, Salahuddin Abdul Rahman","submitted_at":"2024-06-12T12:58:43Z","abstract_excerpt":"The feedback-based algorithm for quantum optimization (FALQON) has recently been proposed to solve quadratic unconstrained binary optimization problems. This paper efficiently generalizes FALQON to tackle quadratic constrained binary optimization (QCBO) problems. For this purpose, we introduce a new operator that encodes the problem's solution as its ground state. Using Lyapunov control theory, we design a quantum control system such that the state converges to the ground state of this operator. When applied to the QCBO problem, we show that our proposed algorithm saves computational resources"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.08169","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/2406.08169/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":"2026-07-05T10:48:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H39H2PBXax07EFNronHGDabyc9nlxHcwMWPPTD2YuyyX4mDRte9rVDRfYGo1qvm1xDS9MpjwJbIULaF+eSWUCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T19:01:24.831865Z"},"content_sha256":"0b349f9b083de55377d9ca023566f91182b8256dac3b661be3784a0dfc1b72c2","schema_version":"1.0","event_id":"sha256:0b349f9b083de55377d9ca023566f91182b8256dac3b661be3784a0dfc1b72c2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TI3NKT66MWT7R65Z2UHUTJSXU3/bundle.json","state_url":"https://pith.science/pith/TI3NKT66MWT7R65Z2UHUTJSXU3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TI3NKT66MWT7R65Z2UHUTJSXU3/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":"2026-07-06T19:01:24Z","links":{"resolver":"https://pith.science/pith/TI3NKT66MWT7R65Z2UHUTJSXU3","bundle":"https://pith.science/pith/TI3NKT66MWT7R65Z2UHUTJSXU3/bundle.json","state":"https://pith.science/pith/TI3NKT66MWT7R65Z2UHUTJSXU3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TI3NKT66MWT7R65Z2UHUTJSXU3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:TI3NKT66MWT7R65Z2UHUTJSXU3","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":"bd1448c5c6aadb228367b237e011a187299ee10b876045e62cfe35ccec041569","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-06-12T12:58:43Z","title_canon_sha256":"307eb5d5f58817d2d134591f09a2cfe6393fbf0ab019793f699950b6b56878fc"},"schema_version":"1.0","source":{"id":"2406.08169","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.08169","created_at":"2026-07-05T10:48:16Z"},{"alias_kind":"arxiv_version","alias_value":"2406.08169v2","created_at":"2026-07-05T10:48:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.08169","created_at":"2026-07-05T10:48:16Z"},{"alias_kind":"pith_short_12","alias_value":"TI3NKT66MWT7","created_at":"2026-07-05T10:48:16Z"},{"alias_kind":"pith_short_16","alias_value":"TI3NKT66MWT7R65Z","created_at":"2026-07-05T10:48:16Z"},{"alias_kind":"pith_short_8","alias_value":"TI3NKT66","created_at":"2026-07-05T10:48:16Z"}],"graph_snapshots":[{"event_id":"sha256:0b349f9b083de55377d9ca023566f91182b8256dac3b661be3784a0dfc1b72c2","target":"graph","created_at":"2026-07-05T10:48:16Z","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/2406.08169/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The feedback-based algorithm for quantum optimization (FALQON) has recently been proposed to solve quadratic unconstrained binary optimization problems. This paper efficiently generalizes FALQON to tackle quadratic constrained binary optimization (QCBO) problems. For this purpose, we introduce a new operator that encodes the problem's solution as its ground state. Using Lyapunov control theory, we design a quantum control system such that the state converges to the ground state of this operator. When applied to the QCBO problem, we show that our proposed algorithm saves computational resources","authors_text":"\\\"Ozkan Karabacak, Rafal Wisniewski, Salahuddin Abdul Rahman","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-06-12T12:58:43Z","title":"Feedback-Based Quantum Algorithm for Constrained Optimization Problems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.08169","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":"sha256:6ddc270430efde7cbfeeee3128fcd5c0e95399d995775e98ffb92c41701038ef","target":"record","created_at":"2026-07-05T10:48:16Z","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":"bd1448c5c6aadb228367b237e011a187299ee10b876045e62cfe35ccec041569","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-06-12T12:58:43Z","title_canon_sha256":"307eb5d5f58817d2d134591f09a2cfe6393fbf0ab019793f699950b6b56878fc"},"schema_version":"1.0","source":{"id":"2406.08169","kind":"arxiv","version":2}},"canonical_sha256":"9a36d54fde65a7f8fbb9d50f49a657a6edaada379da80bf26e0ad6e94adaaff8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9a36d54fde65a7f8fbb9d50f49a657a6edaada379da80bf26e0ad6e94adaaff8","first_computed_at":"2026-07-05T10:48:16.666496Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:48:16.666496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8pUUJV3Pw2tQG14pRJs+O+p9tXI4p6U8n4iLJlO+ZWE3NZnoyXqvyD98hST4j8xv+svpDTaYTvs5MxjX76G7DQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:48:16.666975Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.08169","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6ddc270430efde7cbfeeee3128fcd5c0e95399d995775e98ffb92c41701038ef","sha256:0b349f9b083de55377d9ca023566f91182b8256dac3b661be3784a0dfc1b72c2"],"state_sha256":"823a9472add493756d4909dd6f6c92594042522a581e9c262376c37af3b5c144"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PaLSA47K8Wr0ucWSihNhQtwb4G8tI0yToz/Pd9pyyRi716DTRr8cQiw7i+9DrDSoNZlj/UXrN+xyYHCPss4FAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T19:01:24.833795Z","bundle_sha256":"f8c9347238c1806ada1567ae1e53a5ebb25267742d8b1384759e5c960d5c3c49"}}