{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:66NS4VELZJFCBDHIXOI25O5F3S","short_pith_number":"pith:66NS4VEL","canonical_record":{"source":{"id":"2302.03536","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-02-07T15:38:29Z","cross_cats_sorted":["cs.ET"],"title_canon_sha256":"97c79c75553190daa8d66ee2cac467be18e75ba86ea8353c5a80223655e38ed2","abstract_canon_sha256":"b5d6a725143c21a63ca8b19659962697a6ccb72fab0ed2af2f7de95912a7a2ae"},"schema_version":"1.0"},"canonical_sha256":"f79b2e548bca4a208ce8bb91aebba5dc9e89fb25378b879918d3d6951e233493","source":{"kind":"arxiv","id":"2302.03536","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.03536","created_at":"2026-07-05T05:39:38Z"},{"alias_kind":"arxiv_version","alias_value":"2302.03536v1","created_at":"2026-07-05T05:39:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.03536","created_at":"2026-07-05T05:39:38Z"},{"alias_kind":"pith_short_12","alias_value":"66NS4VELZJFC","created_at":"2026-07-05T05:39:38Z"},{"alias_kind":"pith_short_16","alias_value":"66NS4VELZJFCBDHI","created_at":"2026-07-05T05:39:38Z"},{"alias_kind":"pith_short_8","alias_value":"66NS4VEL","created_at":"2026-07-05T05:39:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:66NS4VELZJFCBDHIXOI25O5F3S","target":"record","payload":{"canonical_record":{"source":{"id":"2302.03536","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-02-07T15:38:29Z","cross_cats_sorted":["cs.ET"],"title_canon_sha256":"97c79c75553190daa8d66ee2cac467be18e75ba86ea8353c5a80223655e38ed2","abstract_canon_sha256":"b5d6a725143c21a63ca8b19659962697a6ccb72fab0ed2af2f7de95912a7a2ae"},"schema_version":"1.0"},"canonical_sha256":"f79b2e548bca4a208ce8bb91aebba5dc9e89fb25378b879918d3d6951e233493","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:39:38.008625Z","signature_b64":"uo8U+jbUAXUd/M21bUhapxgP+vTG8xnFLvWU9PQk7xs86ro99wwy8bR7nyH+f9uC2h8wQwdDol4zqY+Ad7DhDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f79b2e548bca4a208ce8bb91aebba5dc9e89fb25378b879918d3d6951e233493","last_reissued_at":"2026-07-05T05:39:38.008125Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:39:38.008125Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2302.03536","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":"2026-07-05T05:39:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZzAG+XJfANCUNrFyXE0DtLDET5kS6vaUfymxPnwiQCU5x5Nqup+j+ELOuNMzL2dCjzP75tyvQJT1D55VNjWUBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T11:45:44.593147Z"},"content_sha256":"4450f2f717285bd7f86908d9fbd461f175eb4dc7afdbe0dc5a51301a51c4ab27","schema_version":"1.0","event_id":"sha256:4450f2f717285bd7f86908d9fbd461f175eb4dc7afdbe0dc5a51301a51c4ab27"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:66NS4VELZJFCBDHIXOI25O5F3S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Solving (Max) 3-SAT via Quadratic Unconstrained Binary Optimization","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.ET"],"primary_cat":"quant-ph","authors_text":"Claudia Linnhoff-Popien, Jonas N\\\"u{\\ss}lein, Sebastian Feld, Sebastian Zielinski, Thomas Gabor","submitted_at":"2023-02-07T15:38:29Z","abstract_excerpt":"We introduce a novel approach to translate arbitrary 3-SAT instances to Quadratic Unconstrained Binary Optimization (QUBO) as they are used by quantum annealing (QA) or the quantum approximate optimization algorithm (QAOA). Our approach requires fewer couplings and fewer physical qubits than the current state-of-the-art, which results in higher solution quality. We verified the practical applicability of the approach by testing it on a D-Wave quantum annealer."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.03536","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/2302.03536/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":"2026-07-05T05:39:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UGNm2SLImb+bZRgPYKjmD8S6MMK7WLEK5efUbZPFLlDFCIYUPIv8ajp07qSaLP+ND2kRIz2xFIv75bLOzTwpCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T11:45:44.593706Z"},"content_sha256":"1cc382d374d32db52d38f806fa1d8047ae6b6ee234ef9c1636db44d6c04178fd","schema_version":"1.0","event_id":"sha256:1cc382d374d32db52d38f806fa1d8047ae6b6ee234ef9c1636db44d6c04178fd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/66NS4VELZJFCBDHIXOI25O5F3S/bundle.json","state_url":"https://pith.science/pith/66NS4VELZJFCBDHIXOI25O5F3S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/66NS4VELZJFCBDHIXOI25O5F3S/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":"2026-08-05T11:45:44Z","links":{"resolver":"https://pith.science/pith/66NS4VELZJFCBDHIXOI25O5F3S","bundle":"https://pith.science/pith/66NS4VELZJFCBDHIXOI25O5F3S/bundle.json","state":"https://pith.science/pith/66NS4VELZJFCBDHIXOI25O5F3S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/66NS4VELZJFCBDHIXOI25O5F3S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:66NS4VELZJFCBDHIXOI25O5F3S","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":"b5d6a725143c21a63ca8b19659962697a6ccb72fab0ed2af2f7de95912a7a2ae","cross_cats_sorted":["cs.ET"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-02-07T15:38:29Z","title_canon_sha256":"97c79c75553190daa8d66ee2cac467be18e75ba86ea8353c5a80223655e38ed2"},"schema_version":"1.0","source":{"id":"2302.03536","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.03536","created_at":"2026-07-05T05:39:38Z"},{"alias_kind":"arxiv_version","alias_value":"2302.03536v1","created_at":"2026-07-05T05:39:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.03536","created_at":"2026-07-05T05:39:38Z"},{"alias_kind":"pith_short_12","alias_value":"66NS4VELZJFC","created_at":"2026-07-05T05:39:38Z"},{"alias_kind":"pith_short_16","alias_value":"66NS4VELZJFCBDHI","created_at":"2026-07-05T05:39:38Z"},{"alias_kind":"pith_short_8","alias_value":"66NS4VEL","created_at":"2026-07-05T05:39:38Z"}],"graph_snapshots":[{"event_id":"sha256:1cc382d374d32db52d38f806fa1d8047ae6b6ee234ef9c1636db44d6c04178fd","target":"graph","created_at":"2026-07-05T05:39:38Z","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/2302.03536/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We introduce a novel approach to translate arbitrary 3-SAT instances to Quadratic Unconstrained Binary Optimization (QUBO) as they are used by quantum annealing (QA) or the quantum approximate optimization algorithm (QAOA). Our approach requires fewer couplings and fewer physical qubits than the current state-of-the-art, which results in higher solution quality. We verified the practical applicability of the approach by testing it on a D-Wave quantum annealer.","authors_text":"Claudia Linnhoff-Popien, Jonas N\\\"u{\\ss}lein, Sebastian Feld, Sebastian Zielinski, Thomas Gabor","cross_cats":["cs.ET"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-02-07T15:38:29Z","title":"Solving (Max) 3-SAT via Quadratic Unconstrained Binary Optimization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.03536","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":"sha256:4450f2f717285bd7f86908d9fbd461f175eb4dc7afdbe0dc5a51301a51c4ab27","target":"record","created_at":"2026-07-05T05:39:38Z","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":"b5d6a725143c21a63ca8b19659962697a6ccb72fab0ed2af2f7de95912a7a2ae","cross_cats_sorted":["cs.ET"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-02-07T15:38:29Z","title_canon_sha256":"97c79c75553190daa8d66ee2cac467be18e75ba86ea8353c5a80223655e38ed2"},"schema_version":"1.0","source":{"id":"2302.03536","kind":"arxiv","version":1}},"canonical_sha256":"f79b2e548bca4a208ce8bb91aebba5dc9e89fb25378b879918d3d6951e233493","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f79b2e548bca4a208ce8bb91aebba5dc9e89fb25378b879918d3d6951e233493","first_computed_at":"2026-07-05T05:39:38.008125Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:39:38.008125Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uo8U+jbUAXUd/M21bUhapxgP+vTG8xnFLvWU9PQk7xs86ro99wwy8bR7nyH+f9uC2h8wQwdDol4zqY+Ad7DhDg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:39:38.008625Z","signed_message":"canonical_sha256_bytes"},"source_id":"2302.03536","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4450f2f717285bd7f86908d9fbd461f175eb4dc7afdbe0dc5a51301a51c4ab27","sha256:1cc382d374d32db52d38f806fa1d8047ae6b6ee234ef9c1636db44d6c04178fd"],"state_sha256":"5c83adf99fc11ddce69bc4c5234cefe782fe537f97e613e0e88a1d3f6c24bcac"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jKWPeeAf8DchQmMGFbHCTuPHkd3JXQJ0K4UcwnAK3zZR+zc/H8H4KsE/fFb80xxJvK0D1OcLmOvp2ApfmMlNDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T11:45:44.598383Z","bundle_sha256":"417baba17ad286bce7a7be19e38ba3ae1194e6e27fd62882ed6dad2a1cbd84e6"}}