{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:QOVAKVIEZACLG3XSU7I6KO2VKD","short_pith_number":"pith:QOVAKVIE","canonical_record":{"source":{"id":"2407.04393","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-07-05T10:05:35Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"4fd661f2c45d978e5c04f29567d730768719368d4763ad64a9b81ff69a8592c4","abstract_canon_sha256":"94577292dc0ff1bbafe7629121e856f3e21cb40af7d833948573cf2669f83d7e"},"schema_version":"1.0"},"canonical_sha256":"83aa055504c804b36ef2a7d1e53b5550f83268403cd0b1ca568013d6908fee35","source":{"kind":"arxiv","id":"2407.04393","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.04393","created_at":"2026-07-05T08:40:33Z"},{"alias_kind":"arxiv_version","alias_value":"2407.04393v1","created_at":"2026-07-05T08:40:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.04393","created_at":"2026-07-05T08:40:33Z"},{"alias_kind":"pith_short_12","alias_value":"QOVAKVIEZACL","created_at":"2026-07-05T08:40:33Z"},{"alias_kind":"pith_short_16","alias_value":"QOVAKVIEZACLG3XS","created_at":"2026-07-05T08:40:33Z"},{"alias_kind":"pith_short_8","alias_value":"QOVAKVIE","created_at":"2026-07-05T08:40:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:QOVAKVIEZACLG3XSU7I6KO2VKD","target":"record","payload":{"canonical_record":{"source":{"id":"2407.04393","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-07-05T10:05:35Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"4fd661f2c45d978e5c04f29567d730768719368d4763ad64a9b81ff69a8592c4","abstract_canon_sha256":"94577292dc0ff1bbafe7629121e856f3e21cb40af7d833948573cf2669f83d7e"},"schema_version":"1.0"},"canonical_sha256":"83aa055504c804b36ef2a7d1e53b5550f83268403cd0b1ca568013d6908fee35","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:40:33.328264Z","signature_b64":"l6EoY2Nc3zFr6d1mbma0MX6mxJ9p4sGco0IIbiUXVYymB/FoNTtWzm3Y9ozbXYygCAeAcoS+0Pwv6VniAb2fBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"83aa055504c804b36ef2a7d1e53b5550f83268403cd0b1ca568013d6908fee35","last_reissued_at":"2026-07-05T08:40:33.327874Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:40:33.327874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2407.04393","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":"2026-07-05T08:40:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a2dbNk3nZ7G9bUj06/De5iR/TjKp3WSAChQUlQHH8d+EqOmuMK9zP54Dy4/hNpd7sWq3Rqx4faiCvLVBJ9NBCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T20:32:32.825567Z"},"content_sha256":"7f5e3e76647b7f01cc4833be68a4d8595d4b49adf40be74f1638bf31cb9b3015","schema_version":"1.0","event_id":"sha256:7f5e3e76647b7f01cc4833be68a4d8595d4b49adf40be74f1638bf31cb9b3015"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:QOVAKVIEZACLG3XSU7I6KO2VKD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Function Smoothing Regularization for Precision Factorization Machine Annealing in Continuous Variable Optimization Problems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"quant-ph","authors_text":"Katsuhiro Endo, Kazuaki Z. Takahashi","submitted_at":"2024-07-05T10:05:35Z","abstract_excerpt":"Solving continuous variable optimization problems by factorization machine quantum annealing (FMQA) demonstrates the potential of Ising machines to be extended as a solver for integer and real optimization problems. However, the details of the Hamiltonian function surface obtained by factorization machine (FM) have been overlooked. This study shows that in the widely common case where real numbers are represented by a combination of binary variables, the function surface of the Hamiltonian obtained by FM can be very noisy. This noise interferes with the inherent capabilities of quantum anneali"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.04393","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/2407.04393/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":"2026-07-05T08:40:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mHXTbFBoX71C9pM5GCGgVFdsejd+AY/3Myg64jKG1ECmsaOABl0VuogT6MUoHzANBLYpV9G7op4zLb0PO0bLBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T20:32:32.826065Z"},"content_sha256":"952d1c0f709e788843cad4cbfebec93feb732cd4d8797dc63c0b5d139127e8f7","schema_version":"1.0","event_id":"sha256:952d1c0f709e788843cad4cbfebec93feb732cd4d8797dc63c0b5d139127e8f7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QOVAKVIEZACLG3XSU7I6KO2VKD/bundle.json","state_url":"https://pith.science/pith/QOVAKVIEZACLG3XSU7I6KO2VKD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QOVAKVIEZACLG3XSU7I6KO2VKD/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":"2026-08-21T20:32:32Z","links":{"resolver":"https://pith.science/pith/QOVAKVIEZACLG3XSU7I6KO2VKD","bundle":"https://pith.science/pith/QOVAKVIEZACLG3XSU7I6KO2VKD/bundle.json","state":"https://pith.science/pith/QOVAKVIEZACLG3XSU7I6KO2VKD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QOVAKVIEZACLG3XSU7I6KO2VKD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:QOVAKVIEZACLG3XSU7I6KO2VKD","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":"94577292dc0ff1bbafe7629121e856f3e21cb40af7d833948573cf2669f83d7e","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-07-05T10:05:35Z","title_canon_sha256":"4fd661f2c45d978e5c04f29567d730768719368d4763ad64a9b81ff69a8592c4"},"schema_version":"1.0","source":{"id":"2407.04393","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.04393","created_at":"2026-07-05T08:40:33Z"},{"alias_kind":"arxiv_version","alias_value":"2407.04393v1","created_at":"2026-07-05T08:40:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.04393","created_at":"2026-07-05T08:40:33Z"},{"alias_kind":"pith_short_12","alias_value":"QOVAKVIEZACL","created_at":"2026-07-05T08:40:33Z"},{"alias_kind":"pith_short_16","alias_value":"QOVAKVIEZACLG3XS","created_at":"2026-07-05T08:40:33Z"},{"alias_kind":"pith_short_8","alias_value":"QOVAKVIE","created_at":"2026-07-05T08:40:33Z"}],"graph_snapshots":[{"event_id":"sha256:952d1c0f709e788843cad4cbfebec93feb732cd4d8797dc63c0b5d139127e8f7","target":"graph","created_at":"2026-07-05T08:40:33Z","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/2407.04393/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Solving continuous variable optimization problems by factorization machine quantum annealing (FMQA) demonstrates the potential of Ising machines to be extended as a solver for integer and real optimization problems. However, the details of the Hamiltonian function surface obtained by factorization machine (FM) have been overlooked. This study shows that in the widely common case where real numbers are represented by a combination of binary variables, the function surface of the Hamiltonian obtained by FM can be very noisy. This noise interferes with the inherent capabilities of quantum anneali","authors_text":"Katsuhiro Endo, Kazuaki Z. Takahashi","cross_cats":["cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-07-05T10:05:35Z","title":"Function Smoothing Regularization for Precision Factorization Machine Annealing in Continuous Variable Optimization Problems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.04393","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":"sha256:7f5e3e76647b7f01cc4833be68a4d8595d4b49adf40be74f1638bf31cb9b3015","target":"record","created_at":"2026-07-05T08:40:33Z","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":"94577292dc0ff1bbafe7629121e856f3e21cb40af7d833948573cf2669f83d7e","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-07-05T10:05:35Z","title_canon_sha256":"4fd661f2c45d978e5c04f29567d730768719368d4763ad64a9b81ff69a8592c4"},"schema_version":"1.0","source":{"id":"2407.04393","kind":"arxiv","version":1}},"canonical_sha256":"83aa055504c804b36ef2a7d1e53b5550f83268403cd0b1ca568013d6908fee35","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"83aa055504c804b36ef2a7d1e53b5550f83268403cd0b1ca568013d6908fee35","first_computed_at":"2026-07-05T08:40:33.327874Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:40:33.327874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l6EoY2Nc3zFr6d1mbma0MX6mxJ9p4sGco0IIbiUXVYymB/FoNTtWzm3Y9ozbXYygCAeAcoS+0Pwv6VniAb2fBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T08:40:33.328264Z","signed_message":"canonical_sha256_bytes"},"source_id":"2407.04393","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7f5e3e76647b7f01cc4833be68a4d8595d4b49adf40be74f1638bf31cb9b3015","sha256:952d1c0f709e788843cad4cbfebec93feb732cd4d8797dc63c0b5d139127e8f7"],"state_sha256":"c11764d24d65c41beaed6ead5701dfb91241cd53ee81d1d41cb81bb32e6e17f0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wH7amE1PH8WV5WZytNaV6Af0F2j7tbmtzvBtOa0Q7z3QlXWAN3tQDrzAc//N5BIUuwy50DYe+OcDABExIpFmCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T20:32:32.829715Z","bundle_sha256":"e4ba7580e3b82af9c3ce4453e1b56fa0a606e996f6674fd1e65a5ab30980fb7f"}}