{"event":{"id":"evt-hist-phase33-subset-sum-near-optimal-preprint","dedupe_key":"algorithms_preprint_submission:2026-10-09:chen-mao-and-zhang-submit-near-optimal-subset-sum-and-integer-programming-preprint","event_type":"algorithms_preprint_submission","title":"Chen Mao and Zhang submit near-optimal subset-sum and integer-programming preprint","summary":"Original public milestone: Chen Mao and Zhang submit near-optimal subset-sum and integer-programming preprint. Evidence-only proposal; no claim of global canonical novelty, independent replication or realized downstream effects.","occurred_at":"2026-10-09T00:00:00.000Z","published_at":"2026-10-09T00:00:00.000Z","observed_at":"2026-10-18T11:41:00.000Z","reconstructed_at":"2026-10-18T11:41:00.000Z","ingest_type":"historical_backfill","locations":null,"status":"verified","confidence":0.87,"metadata":{"evidence_only":1,"global_novelty_unproven":1,"independent_outcomes_unproven":1,"original_index_position":1235},"created_at":"2026-10-19T06:04:16.014Z","updated_at":"2026-10-19T06:04:16.014Z"},"artifacts":[{"id":"art-hist-phase33-subset-sum-near-optimal-preprint","dedupe_key":"06081d3991e1617397d50266b10278b21ee9bd357a8a08d1678287eb20164db9","canonical_url":"https://arxiv.org/abs/2610.12953","evidence_locator":"","artifact_type":"original_publication","title":"Chen Mao and Zhang submit near-optimal subset-sum and integer-programming preprint","summary":"","creator_entities":[],"released_at":"2026-10-09T00:00:00.000Z","content_hash":null,"metadata":[],"created_at":"2026-10-19T06:04:16.013Z","updated_at":"2026-10-19T06:04:16.013Z","relation":"documented_by"}],"signals":[]}