{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:TVAVIPRMOJRM54EK4FSQHSD6XV","short_pith_number":"pith:TVAVIPRM","canonical_record":{"source":{"id":"2507.22117","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-07-29T18:00:01Z","cross_cats_sorted":["cs.ET"],"title_canon_sha256":"f35b04b93835c17d6bc01ddf2a35cf7f7ed822feb4bb23f978de2024b2845cc4","abstract_canon_sha256":"8e68275932dfdca029d8d517c5921d0d4747d856c1ce2af3ac3e76271b0282d0"},"schema_version":"1.0"},"canonical_sha256":"9d41543e2c7262cef08ae16503c87ebd597dd4b3afb10959508d97d01095b221","source":{"kind":"arxiv","id":"2507.22117","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.22117","created_at":"2026-07-05T11:45:16Z"},{"alias_kind":"arxiv_version","alias_value":"2507.22117v1","created_at":"2026-07-05T11:45:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.22117","created_at":"2026-07-05T11:45:16Z"},{"alias_kind":"pith_short_12","alias_value":"TVAVIPRMOJRM","created_at":"2026-07-05T11:45:16Z"},{"alias_kind":"pith_short_16","alias_value":"TVAVIPRMOJRM54EK","created_at":"2026-07-05T11:45:16Z"},{"alias_kind":"pith_short_8","alias_value":"TVAVIPRM","created_at":"2026-07-05T11:45:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:TVAVIPRMOJRM54EK4FSQHSD6XV","target":"record","payload":{"canonical_record":{"source":{"id":"2507.22117","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-07-29T18:00:01Z","cross_cats_sorted":["cs.ET"],"title_canon_sha256":"f35b04b93835c17d6bc01ddf2a35cf7f7ed822feb4bb23f978de2024b2845cc4","abstract_canon_sha256":"8e68275932dfdca029d8d517c5921d0d4747d856c1ce2af3ac3e76271b0282d0"},"schema_version":"1.0"},"canonical_sha256":"9d41543e2c7262cef08ae16503c87ebd597dd4b3afb10959508d97d01095b221","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:45:16.767092Z","signature_b64":"kmCiIYcSBTrcAsCk9+ehgvY0lJJAyUkUZZ39zi7sLzGvESjTkGpSlDwdUt8p6lq0MlYijRDCVZmODqRA3EQWAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9d41543e2c7262cef08ae16503c87ebd597dd4b3afb10959508d97d01095b221","last_reissued_at":"2026-07-05T11:45:16.766620Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:45:16.766620Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.22117","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":"2026-07-05T11:45:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XciZpAUrHnCDo8DWfhm2cOdOYiK1PrRmg51vmJDe8WX0MZxqCtc7dghObCTnr2GmuB67PMcELNG2v4B+pgDkDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T04:43:29.035489Z"},"content_sha256":"7cd0a483a26306a8f03fd18ee8d63015669363f6b53e0d84d6f486cff19cd117","schema_version":"1.0","event_id":"sha256:7cd0a483a26306a8f03fd18ee8d63015669363f6b53e0d84d6f486cff19cd117"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:TVAVIPRMOJRM54EK4FSQHSD6XV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A comprehensive benchmark of an Ising machine on the Max-Cut problem","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.ET"],"primary_cat":"quant-ph","authors_text":"Christian M\\\"unch, Fritz Schinkel, Markus Kirsch, Marten Winkler, Martin Kliesch, Salwa Shaglel, Stefan Walter","submitted_at":"2025-07-29T18:00:01Z","abstract_excerpt":"QUBO formulations of combinatorial optimization problems allow for solving them using various quantum heuristics. While large-scale quantum computations are currently still out of reach, we can already numerically test such QUBO formulations on a perhaps surprisingly large scale. In this work, we benchmark Fujitsu's Digital Annealer (DA) on the Max-Cut problem, which captures the main complexity of the QUBO problem. We make a comprehensive benchmark against leading other heuristic algorithms on graphs with up to 53,000 variables by focusing on the wall-clock time. Moreover, we compare the DA p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.22117","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/2507.22117/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":"2026-07-05T11:45:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kjrT/emd2StulVgIXhM4VwCk3fFEzOQiiFTtbFd1yzmsC/ijnRT2SQvgOXjZj4pKZ6kxTrFv2RspAUTWcwHRDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T04:43:29.036004Z"},"content_sha256":"cdbb27d29f1a5a6bb5815c985c2e86bdc88d2ac06a9cfd1285b4083b425f1987","schema_version":"1.0","event_id":"sha256:cdbb27d29f1a5a6bb5815c985c2e86bdc88d2ac06a9cfd1285b4083b425f1987"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TVAVIPRMOJRM54EK4FSQHSD6XV/bundle.json","state_url":"https://pith.science/pith/TVAVIPRMOJRM54EK4FSQHSD6XV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TVAVIPRMOJRM54EK4FSQHSD6XV/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":"2026-08-08T04:43:29Z","links":{"resolver":"https://pith.science/pith/TVAVIPRMOJRM54EK4FSQHSD6XV","bundle":"https://pith.science/pith/TVAVIPRMOJRM54EK4FSQHSD6XV/bundle.json","state":"https://pith.science/pith/TVAVIPRMOJRM54EK4FSQHSD6XV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TVAVIPRMOJRM54EK4FSQHSD6XV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:TVAVIPRMOJRM54EK4FSQHSD6XV","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":"8e68275932dfdca029d8d517c5921d0d4747d856c1ce2af3ac3e76271b0282d0","cross_cats_sorted":["cs.ET"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-07-29T18:00:01Z","title_canon_sha256":"f35b04b93835c17d6bc01ddf2a35cf7f7ed822feb4bb23f978de2024b2845cc4"},"schema_version":"1.0","source":{"id":"2507.22117","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.22117","created_at":"2026-07-05T11:45:16Z"},{"alias_kind":"arxiv_version","alias_value":"2507.22117v1","created_at":"2026-07-05T11:45:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.22117","created_at":"2026-07-05T11:45:16Z"},{"alias_kind":"pith_short_12","alias_value":"TVAVIPRMOJRM","created_at":"2026-07-05T11:45:16Z"},{"alias_kind":"pith_short_16","alias_value":"TVAVIPRMOJRM54EK","created_at":"2026-07-05T11:45:16Z"},{"alias_kind":"pith_short_8","alias_value":"TVAVIPRM","created_at":"2026-07-05T11:45:16Z"}],"graph_snapshots":[{"event_id":"sha256:cdbb27d29f1a5a6bb5815c985c2e86bdc88d2ac06a9cfd1285b4083b425f1987","target":"graph","created_at":"2026-07-05T11:45:16Z","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/2507.22117/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"QUBO formulations of combinatorial optimization problems allow for solving them using various quantum heuristics. While large-scale quantum computations are currently still out of reach, we can already numerically test such QUBO formulations on a perhaps surprisingly large scale. In this work, we benchmark Fujitsu's Digital Annealer (DA) on the Max-Cut problem, which captures the main complexity of the QUBO problem. We make a comprehensive benchmark against leading other heuristic algorithms on graphs with up to 53,000 variables by focusing on the wall-clock time. Moreover, we compare the DA p","authors_text":"Christian M\\\"unch, Fritz Schinkel, Markus Kirsch, Marten Winkler, Martin Kliesch, Salwa Shaglel, Stefan Walter","cross_cats":["cs.ET"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-07-29T18:00:01Z","title":"A comprehensive benchmark of an Ising machine on the Max-Cut problem"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.22117","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":"sha256:7cd0a483a26306a8f03fd18ee8d63015669363f6b53e0d84d6f486cff19cd117","target":"record","created_at":"2026-07-05T11:45:16Z","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":"8e68275932dfdca029d8d517c5921d0d4747d856c1ce2af3ac3e76271b0282d0","cross_cats_sorted":["cs.ET"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-07-29T18:00:01Z","title_canon_sha256":"f35b04b93835c17d6bc01ddf2a35cf7f7ed822feb4bb23f978de2024b2845cc4"},"schema_version":"1.0","source":{"id":"2507.22117","kind":"arxiv","version":1}},"canonical_sha256":"9d41543e2c7262cef08ae16503c87ebd597dd4b3afb10959508d97d01095b221","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9d41543e2c7262cef08ae16503c87ebd597dd4b3afb10959508d97d01095b221","first_computed_at":"2026-07-05T11:45:16.766620Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:45:16.766620Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kmCiIYcSBTrcAsCk9+ehgvY0lJJAyUkUZZ39zi7sLzGvESjTkGpSlDwdUt8p6lq0MlYijRDCVZmODqRA3EQWAw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:45:16.767092Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.22117","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7cd0a483a26306a8f03fd18ee8d63015669363f6b53e0d84d6f486cff19cd117","sha256:cdbb27d29f1a5a6bb5815c985c2e86bdc88d2ac06a9cfd1285b4083b425f1987"],"state_sha256":"ac9cb13da4aeee00fff685aa500d15a2fa7e3a338a524059220d1c7b7209c1e8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"50jSC1AZ+j/Sz14fhmalTc14xa/WBtscrcUv2aOPMKOYnRYwkY8qYFflBYYQnmofG4buQyxT3A/fHsnQY2ptAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T04:43:29.039717Z","bundle_sha256":"57c82a9d0a6fc3b00cbe2cb75888d02a81c204305a68e435cc4b6f2d3bdb8239"}}