{"event":{"id":"evt-hist-phase33-random-permutations-universal-preprint","dedupe_key":"mathematics_preprint_submission:2026-10-09:chen-and-wang-submit-quadratic-size-universal-random-permutations-proof-preprint","event_type":"mathematics_preprint_submission","title":"Chen and Wang submit quadratic-size universal random permutations proof preprint","summary":"Original public milestone: Chen and Wang submit quadratic-size universal random permutations proof 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":1229},"created_at":"2026-10-19T06:03:58.691Z","updated_at":"2026-10-19T06:03:58.691Z"},"artifacts":[{"id":"art-hist-phase33-random-permutations-universal-preprint","dedupe_key":"768e10e0ab3ee0595c1b253594032b9165a4e06df4796b6eb398202633c44493","canonical_url":"https://arxiv.org/abs/2610.13530","evidence_locator":"","artifact_type":"original_publication","title":"Chen and Wang submit quadratic-size universal random permutations proof preprint","summary":"","creator_entities":[],"released_at":"2026-10-09T00:00:00.000Z","content_hash":null,"metadata":[],"created_at":"2026-10-19T06:03:58.691Z","updated_at":"2026-10-19T06:03:58.691Z","relation":"documented_by"}],"signals":[]}