{"event":{"id":"evt-hist-20260928-mathathon-joint-statement","dedupe_key":"academic_program_public_statement:2026-09-28:mathathon-organizers-publish-revised-old-problems-new-proofs-charter","event_type":"academic_program_public_statement","title":"Mathathon organizers publish revised Old Problems New Proofs charter","summary":"On September 28, 2026 Mathathon organizers and Caltech colleagues issued a revised joint statement framing Mathathon as Old Problems, New Proofs, with emphasis on mathematical understanding and explainers. It is a public organizing statement, not the completion of a competition or independent verification of any mathematical result.","occurred_at":"2026-09-28T00:00:00.000Z","published_at":"2026-09-28T00:00:00.000Z","observed_at":"2026-10-18T06:11:00.000Z","reconstructed_at":"2026-10-18T06:11:00.000Z","ingest_type":"historical_backfill","locations":null,"status":"verified","confidence":0.92,"metadata":{"bounded_canonical_search":1,"date_precision":"day","evidence_only":1,"external_postcutoff_id":"2026-09-28-mathathon-joint-statement","global_novelty_not_proven":1,"realized_outcomes_not_inferred":1},"created_at":"2026-10-18T06:52:26.815Z","updated_at":"2026-10-18T06:52:26.815Z"},"artifacts":[{"id":"art-hist-20260928-mathathon-joint-statement","dedupe_key":"83aa783216ed2dee3e1186c8352a874e1445d4236b0fc20faccde2e6781f6086","canonical_url":"https://proofsandprompts.com/2026/09/28/joint-statement-about-mathathon/","evidence_locator":"","artifact_type":"first_party_publication","title":"Mathathon organizers publish revised Old Problems New Proofs charter","summary":"","creator_entities":[],"released_at":"2026-09-28T00:00:00.000Z","content_hash":null,"metadata":[],"created_at":"2026-10-18T06:52:26.815Z","updated_at":"2026-10-18T06:52:26.815Z","relation":"documented_by"}],"signals":[]}