{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:M3IS6AB2WXLXEOEJOKHDQHYS7O","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":"131c6f658a058216f106c88d49aa57aaa7bc409597d012375eb9b88bdb7ed17a","cross_cats_sorted":["cs.ET"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2023-08-27T16:54:50Z","title_canon_sha256":"089dee3e260f0263d07b599eb51408667e379f3a61917cb53774c07f4fbb217b"},"schema_version":"1.0","source":{"id":"2308.14156","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.14156","created_at":"2026-07-05T06:45:22Z"},{"alias_kind":"arxiv_version","alias_value":"2308.14156v1","created_at":"2026-07-05T06:45:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.14156","created_at":"2026-07-05T06:45:22Z"},{"alias_kind":"pith_short_12","alias_value":"M3IS6AB2WXLX","created_at":"2026-07-05T06:45:22Z"},{"alias_kind":"pith_short_16","alias_value":"M3IS6AB2WXLXEOEJ","created_at":"2026-07-05T06:45:22Z"},{"alias_kind":"pith_short_8","alias_value":"M3IS6AB2","created_at":"2026-07-05T06:45:22Z"}],"graph_snapshots":[{"event_id":"sha256:19b0226bc890c7915d58bc1aab39c2b9e0c3dc9f9a73449e64b33c0e10ddcc87","target":"graph","created_at":"2026-07-05T06:45:22Z","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/2308.14156/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"NP-complete problems are widely and deeply involved in various real-life scenarios while still intractable to solve efficiently on conventional computers. It is of great practical significance to construct versatile computing architectures that solve NP-complete problems with computational advantage. Here, we present a reconfigurable photonic processor to efficiently solve a benchmark NP-complete problem, the subset sum problem (SSP). We show that in the case of successive primes, the photonic processor has genuinely surpassed commercial electronic processors launched recently by taking advant","authors_text":"Chu-Han Wang, Tian-Yu Zhang, Xian-Min Jin, Xiao-Yun Xu, Zi-Wei Wang","cross_cats":["cs.ET"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2023-08-27T16:54:50Z","title":"A Reconfigurable Photonic Processor for NP-complete Problems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.14156","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:e074a19163810f4ea6977b155505038897865b09bd539be291fa881fc60de365","target":"record","created_at":"2026-07-05T06:45:22Z","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":"131c6f658a058216f106c88d49aa57aaa7bc409597d012375eb9b88bdb7ed17a","cross_cats_sorted":["cs.ET"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2023-08-27T16:54:50Z","title_canon_sha256":"089dee3e260f0263d07b599eb51408667e379f3a61917cb53774c07f4fbb217b"},"schema_version":"1.0","source":{"id":"2308.14156","kind":"arxiv","version":1}},"canonical_sha256":"66d12f003ab5d7723889728e381f12fb8d502ca911d4d5890c7499c3d0ce359b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"66d12f003ab5d7723889728e381f12fb8d502ca911d4d5890c7499c3d0ce359b","first_computed_at":"2026-07-05T06:45:22.596393Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:45:22.596393Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"X34kWy8anOyZDGVEPP0e4y7OeUEIPe6+lZrKxA+i+FKwrjGSFX5RVo7NIiuHr3R7qzcKQOK2kh0u3gb/IlUBBA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:45:22.596798Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.14156","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e074a19163810f4ea6977b155505038897865b09bd539be291fa881fc60de365","sha256:19b0226bc890c7915d58bc1aab39c2b9e0c3dc9f9a73449e64b33c0e10ddcc87"],"state_sha256":"911021c9695b63be31a34092e2809c62c210da2ab68d9114b18d9934f17b38ba"}