{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:VEBL7WT7Y7QIB4SOPFNIIIVNGM","short_pith_number":"pith:VEBL7WT7","canonical_record":{"source":{"id":"2410.11633","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"quant-ph","submitted_at":"2024-10-15T14:24:27Z","cross_cats_sorted":["eess.SP"],"title_canon_sha256":"2e878e20be47857f9f917f69c24c5467185b1c908d0359be6f71ef4d4c20f854","abstract_canon_sha256":"ce34bb75d500c7a447eeba3cb096abd6c18f73e0a4c171cf6fcb105fb2635013"},"schema_version":"1.0"},"canonical_sha256":"a902bfda7fc7e080f24e795a8422ad332f5b26e7e2480a6ba2d38b67fb7dd8dc","source":{"kind":"arxiv","id":"2410.11633","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.11633","created_at":"2026-07-05T12:07:36Z"},{"alias_kind":"arxiv_version","alias_value":"2410.11633v2","created_at":"2026-07-05T12:07:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.11633","created_at":"2026-07-05T12:07:36Z"},{"alias_kind":"pith_short_12","alias_value":"VEBL7WT7Y7QI","created_at":"2026-07-05T12:07:36Z"},{"alias_kind":"pith_short_16","alias_value":"VEBL7WT7Y7QIB4SO","created_at":"2026-07-05T12:07:36Z"},{"alias_kind":"pith_short_8","alias_value":"VEBL7WT7","created_at":"2026-07-05T12:07:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:VEBL7WT7Y7QIB4SOPFNIIIVNGM","target":"record","payload":{"canonical_record":{"source":{"id":"2410.11633","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"quant-ph","submitted_at":"2024-10-15T14:24:27Z","cross_cats_sorted":["eess.SP"],"title_canon_sha256":"2e878e20be47857f9f917f69c24c5467185b1c908d0359be6f71ef4d4c20f854","abstract_canon_sha256":"ce34bb75d500c7a447eeba3cb096abd6c18f73e0a4c171cf6fcb105fb2635013"},"schema_version":"1.0"},"canonical_sha256":"a902bfda7fc7e080f24e795a8422ad332f5b26e7e2480a6ba2d38b67fb7dd8dc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:07:36.481888Z","signature_b64":"83/bagO8AMihAro2+LRvdBD7XgI/qiDOnK/AP0u6LvBA4806fAxyMe1DNfJvhvjHgp+GavCPu39mc6z8j6pBDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a902bfda7fc7e080f24e795a8422ad332f5b26e7e2480a6ba2d38b67fb7dd8dc","last_reissued_at":"2026-07-05T12:07:36.481439Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:07:36.481439Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2410.11633","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":"2026-07-05T12:07:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OKdlwE96C6Aa0IiGWT7zjOvfX4qcysycMRng51YhCFSBP08/6yYoBjyk18wTdXP7gRZGiJ0MDC31l88RoYf/Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T16:55:50.219770Z"},"content_sha256":"8100b93e9c9ffc7db6482237cbbfe6c94e3e2713957af51f0564c2da2b6dc6dd","schema_version":"1.0","event_id":"sha256:8100b93e9c9ffc7db6482237cbbfe6c94e3e2713957af51f0564c2da2b6dc6dd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:VEBL7WT7Y7QIB4SOPFNIIIVNGM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Grover Adaptive Search with Spin Variables","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["eess.SP"],"primary_cat":"quant-ph","authors_text":"Naoki Ishikawa, Shintaro Fujiwara","submitted_at":"2024-10-15T14:24:27Z","abstract_excerpt":"This paper presents a novel approach to Grover adaptive search (GAS) for a combinatorial optimization problem whose objective function involves spin variables. While the GAS algorithm with a conventional design of a quantum dictionary subroutine handles a problem associated with an objective function with binary variables $\\{0,1\\}$, we reformulate the problem using spin variables $\\{+1,-1\\}$ to simplify the algorithm. Specifically, we introduce a novel quantum dictionary subroutine that is designed for this spin-based formulation. A key benefit of this approach is the substantial reduction in "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.11633","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/2410.11633/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":"2026-07-05T12:07:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6KfA/kjVUW/UQ1zddk3bgsbWpb3mAhmTencIW+WB1G6zIBK/3860RG4juAaYhoaqdZVM6+kR5O9dW1G1L5zACQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T16:55:50.220145Z"},"content_sha256":"dc2f65b9b1de890d89feb5d6f7a3e070f47f9585a3bb8ed8e665256dc783495b","schema_version":"1.0","event_id":"sha256:dc2f65b9b1de890d89feb5d6f7a3e070f47f9585a3bb8ed8e665256dc783495b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VEBL7WT7Y7QIB4SOPFNIIIVNGM/bundle.json","state_url":"https://pith.science/pith/VEBL7WT7Y7QIB4SOPFNIIIVNGM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VEBL7WT7Y7QIB4SOPFNIIIVNGM/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":"2026-07-06T16:55:50Z","links":{"resolver":"https://pith.science/pith/VEBL7WT7Y7QIB4SOPFNIIIVNGM","bundle":"https://pith.science/pith/VEBL7WT7Y7QIB4SOPFNIIIVNGM/bundle.json","state":"https://pith.science/pith/VEBL7WT7Y7QIB4SOPFNIIIVNGM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VEBL7WT7Y7QIB4SOPFNIIIVNGM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:VEBL7WT7Y7QIB4SOPFNIIIVNGM","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":"ce34bb75d500c7a447eeba3cb096abd6c18f73e0a4c171cf6fcb105fb2635013","cross_cats_sorted":["eess.SP"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"quant-ph","submitted_at":"2024-10-15T14:24:27Z","title_canon_sha256":"2e878e20be47857f9f917f69c24c5467185b1c908d0359be6f71ef4d4c20f854"},"schema_version":"1.0","source":{"id":"2410.11633","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.11633","created_at":"2026-07-05T12:07:36Z"},{"alias_kind":"arxiv_version","alias_value":"2410.11633v2","created_at":"2026-07-05T12:07:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.11633","created_at":"2026-07-05T12:07:36Z"},{"alias_kind":"pith_short_12","alias_value":"VEBL7WT7Y7QI","created_at":"2026-07-05T12:07:36Z"},{"alias_kind":"pith_short_16","alias_value":"VEBL7WT7Y7QIB4SO","created_at":"2026-07-05T12:07:36Z"},{"alias_kind":"pith_short_8","alias_value":"VEBL7WT7","created_at":"2026-07-05T12:07:36Z"}],"graph_snapshots":[{"event_id":"sha256:dc2f65b9b1de890d89feb5d6f7a3e070f47f9585a3bb8ed8e665256dc783495b","target":"graph","created_at":"2026-07-05T12:07:36Z","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/2410.11633/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper presents a novel approach to Grover adaptive search (GAS) for a combinatorial optimization problem whose objective function involves spin variables. While the GAS algorithm with a conventional design of a quantum dictionary subroutine handles a problem associated with an objective function with binary variables $\\{0,1\\}$, we reformulate the problem using spin variables $\\{+1,-1\\}$ to simplify the algorithm. Specifically, we introduce a novel quantum dictionary subroutine that is designed for this spin-based formulation. A key benefit of this approach is the substantial reduction in ","authors_text":"Naoki Ishikawa, Shintaro Fujiwara","cross_cats":["eess.SP"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"quant-ph","submitted_at":"2024-10-15T14:24:27Z","title":"Grover Adaptive Search with Spin Variables"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.11633","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":"sha256:8100b93e9c9ffc7db6482237cbbfe6c94e3e2713957af51f0564c2da2b6dc6dd","target":"record","created_at":"2026-07-05T12:07:36Z","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":"ce34bb75d500c7a447eeba3cb096abd6c18f73e0a4c171cf6fcb105fb2635013","cross_cats_sorted":["eess.SP"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"quant-ph","submitted_at":"2024-10-15T14:24:27Z","title_canon_sha256":"2e878e20be47857f9f917f69c24c5467185b1c908d0359be6f71ef4d4c20f854"},"schema_version":"1.0","source":{"id":"2410.11633","kind":"arxiv","version":2}},"canonical_sha256":"a902bfda7fc7e080f24e795a8422ad332f5b26e7e2480a6ba2d38b67fb7dd8dc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a902bfda7fc7e080f24e795a8422ad332f5b26e7e2480a6ba2d38b67fb7dd8dc","first_computed_at":"2026-07-05T12:07:36.481439Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T12:07:36.481439Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"83/bagO8AMihAro2+LRvdBD7XgI/qiDOnK/AP0u6LvBA4806fAxyMe1DNfJvhvjHgp+GavCPu39mc6z8j6pBDg==","signature_status":"signed_v1","signed_at":"2026-07-05T12:07:36.481888Z","signed_message":"canonical_sha256_bytes"},"source_id":"2410.11633","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8100b93e9c9ffc7db6482237cbbfe6c94e3e2713957af51f0564c2da2b6dc6dd","sha256:dc2f65b9b1de890d89feb5d6f7a3e070f47f9585a3bb8ed8e665256dc783495b"],"state_sha256":"a49819cf68f8e14b364ba01bdaa1f2abed93eb718e67e07579c9196b1f6df2fd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LeJI7EmFPBc9eNirvSgMt56UCRgVY6tJzc1tfoEaEGtKX6r8gfMSvDfHmHc8TrwA7E8aTBcIUjQImjSmNlBFAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T16:55:50.222749Z","bundle_sha256":"72e79b3240468aa4db29b8ef4e8dcf9a9c8bb8326e9bdee62ceb11011ad04c36"}}