{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:HKZZ5HY2HF3T6BGCOISIH6HOXM","short_pith_number":"pith:HKZZ5HY2","canonical_record":{"source":{"id":"2405.00861","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-05-01T20:49:50Z","cross_cats_sorted":[],"title_canon_sha256":"2370c8b642f2a5855c11f8897c9db20fa4c2fb80e6d0025924a21761e4669e68","abstract_canon_sha256":"d45ebe9ac01db307c843732027c5f7c78f13004e7c3198ead8c8d913b9ddd65b"},"schema_version":"1.0"},"canonical_sha256":"3ab39e9f1a39773f04c2722483f8eebb15d49c6b5c378e29c0829df21701e365","source":{"kind":"arxiv","id":"2405.00861","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.00861","created_at":"2026-07-05T08:14:27Z"},{"alias_kind":"arxiv_version","alias_value":"2405.00861v1","created_at":"2026-07-05T08:14:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.00861","created_at":"2026-07-05T08:14:27Z"},{"alias_kind":"pith_short_12","alias_value":"HKZZ5HY2HF3T","created_at":"2026-07-05T08:14:27Z"},{"alias_kind":"pith_short_16","alias_value":"HKZZ5HY2HF3T6BGC","created_at":"2026-07-05T08:14:27Z"},{"alias_kind":"pith_short_8","alias_value":"HKZZ5HY2","created_at":"2026-07-05T08:14:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:HKZZ5HY2HF3T6BGCOISIH6HOXM","target":"record","payload":{"canonical_record":{"source":{"id":"2405.00861","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-05-01T20:49:50Z","cross_cats_sorted":[],"title_canon_sha256":"2370c8b642f2a5855c11f8897c9db20fa4c2fb80e6d0025924a21761e4669e68","abstract_canon_sha256":"d45ebe9ac01db307c843732027c5f7c78f13004e7c3198ead8c8d913b9ddd65b"},"schema_version":"1.0"},"canonical_sha256":"3ab39e9f1a39773f04c2722483f8eebb15d49c6b5c378e29c0829df21701e365","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:14:27.185087Z","signature_b64":"btbYN3dwYwSXdQsb4AEtNTG/MVDaZXcU9n87ImkPMMySJywGA+8cv198DVfmOwuz2rzi6MHLiWHUsC2v2li4AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3ab39e9f1a39773f04c2722483f8eebb15d49c6b5c378e29c0829df21701e365","last_reissued_at":"2026-07-05T08:14:27.184676Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:14:27.184676Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2405.00861","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":"2026-07-05T08:14:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"57k6BPpumAjHu8lOzX1462aze3oBuNxcq8jQdKVfGT0vSSIiZO5BXIc2YwvdfwYu8rkxJXAwJ+ffpLVNkTW5BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T23:12:54.429931Z"},"content_sha256":"30ea7efe0b2bbe1812ffd719d8e7ee9d692ce5ba76c65069eb9bd8735bafd4e9","schema_version":"1.0","event_id":"sha256:30ea7efe0b2bbe1812ffd719d8e7ee9d692ce5ba76c65069eb9bd8735bafd4e9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:HKZZ5HY2HF3T6BGCOISIH6HOXM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Scaling Up the Quantum Divide and Conquer Algorithm for Combinatorial Optimization","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Ibrahim Cameron, Ilya Safro, Teague Tomesh, Zain Saleem","submitted_at":"2024-05-01T20:49:50Z","abstract_excerpt":"Quantum optimization as a field has largely been restricted by the constraints of current quantum computing hardware, as limitations on size, performance, and fidelity mean most non-trivial problem instances won't fit on quantum devices. Even proposed solutions such as distributed quantum computing systems may struggle to achieve scale due to the high cost of inter-device communication. To address these concerns, we propose Deferred Constraint Quantum Divide and Conquer Algorithm (DC-QDCA), a method for constructing quantum circuits which greatly reduces inter-device communication costs for so"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.00861","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/2405.00861/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":"2026-07-05T08:14:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OdSHk/XaMiqb8b5lnNBJUenpEBVCVbOlFGbSJXY2kE/QelGxGKH5/RNZWScoyniDKmrD5QYwH/yXeSYG35xiBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T23:12:54.430481Z"},"content_sha256":"c5b05de3e7af1666b0895c0641294e5b93cc1cf58b653053d7e9815dc9c6212d","schema_version":"1.0","event_id":"sha256:c5b05de3e7af1666b0895c0641294e5b93cc1cf58b653053d7e9815dc9c6212d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HKZZ5HY2HF3T6BGCOISIH6HOXM/bundle.json","state_url":"https://pith.science/pith/HKZZ5HY2HF3T6BGCOISIH6HOXM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HKZZ5HY2HF3T6BGCOISIH6HOXM/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":"2026-08-20T23:12:54Z","links":{"resolver":"https://pith.science/pith/HKZZ5HY2HF3T6BGCOISIH6HOXM","bundle":"https://pith.science/pith/HKZZ5HY2HF3T6BGCOISIH6HOXM/bundle.json","state":"https://pith.science/pith/HKZZ5HY2HF3T6BGCOISIH6HOXM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HKZZ5HY2HF3T6BGCOISIH6HOXM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:HKZZ5HY2HF3T6BGCOISIH6HOXM","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":"d45ebe9ac01db307c843732027c5f7c78f13004e7c3198ead8c8d913b9ddd65b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-05-01T20:49:50Z","title_canon_sha256":"2370c8b642f2a5855c11f8897c9db20fa4c2fb80e6d0025924a21761e4669e68"},"schema_version":"1.0","source":{"id":"2405.00861","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.00861","created_at":"2026-07-05T08:14:27Z"},{"alias_kind":"arxiv_version","alias_value":"2405.00861v1","created_at":"2026-07-05T08:14:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.00861","created_at":"2026-07-05T08:14:27Z"},{"alias_kind":"pith_short_12","alias_value":"HKZZ5HY2HF3T","created_at":"2026-07-05T08:14:27Z"},{"alias_kind":"pith_short_16","alias_value":"HKZZ5HY2HF3T6BGC","created_at":"2026-07-05T08:14:27Z"},{"alias_kind":"pith_short_8","alias_value":"HKZZ5HY2","created_at":"2026-07-05T08:14:27Z"}],"graph_snapshots":[{"event_id":"sha256:c5b05de3e7af1666b0895c0641294e5b93cc1cf58b653053d7e9815dc9c6212d","target":"graph","created_at":"2026-07-05T08:14:27Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2405.00861/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quantum optimization as a field has largely been restricted by the constraints of current quantum computing hardware, as limitations on size, performance, and fidelity mean most non-trivial problem instances won't fit on quantum devices. Even proposed solutions such as distributed quantum computing systems may struggle to achieve scale due to the high cost of inter-device communication. To address these concerns, we propose Deferred Constraint Quantum Divide and Conquer Algorithm (DC-QDCA), a method for constructing quantum circuits which greatly reduces inter-device communication costs for so","authors_text":"Ibrahim Cameron, Ilya Safro, Teague Tomesh, Zain Saleem","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-05-01T20:49:50Z","title":"Scaling Up the Quantum Divide and Conquer Algorithm for Combinatorial Optimization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.00861","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":"sha256:30ea7efe0b2bbe1812ffd719d8e7ee9d692ce5ba76c65069eb9bd8735bafd4e9","target":"record","created_at":"2026-07-05T08:14:27Z","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":"d45ebe9ac01db307c843732027c5f7c78f13004e7c3198ead8c8d913b9ddd65b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-05-01T20:49:50Z","title_canon_sha256":"2370c8b642f2a5855c11f8897c9db20fa4c2fb80e6d0025924a21761e4669e68"},"schema_version":"1.0","source":{"id":"2405.00861","kind":"arxiv","version":1}},"canonical_sha256":"3ab39e9f1a39773f04c2722483f8eebb15d49c6b5c378e29c0829df21701e365","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3ab39e9f1a39773f04c2722483f8eebb15d49c6b5c378e29c0829df21701e365","first_computed_at":"2026-07-05T08:14:27.184676Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:14:27.184676Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"btbYN3dwYwSXdQsb4AEtNTG/MVDaZXcU9n87ImkPMMySJywGA+8cv198DVfmOwuz2rzi6MHLiWHUsC2v2li4AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T08:14:27.185087Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.00861","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:30ea7efe0b2bbe1812ffd719d8e7ee9d692ce5ba76c65069eb9bd8735bafd4e9","sha256:c5b05de3e7af1666b0895c0641294e5b93cc1cf58b653053d7e9815dc9c6212d"],"state_sha256":"048c6007cf7326f96da27c7c2e50ddb6e8ee1f5852fc917511fc47fef718e494"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fkxq8TQAFccqVSA+lsjVDZrnQTrFueugFzzDflc1MjLrqk+ayjUFDyIo+cWWSLZDduJ5pk/6VAMo4ya8DyCjCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T23:12:54.435313Z","bundle_sha256":"7adbe881981d01dbc93744955ad02f8f2325d6334fc696507542a670abcd76d4"}}