{"id": 4007, "prediction_verbatim": "Anthropic's publicly available model benchmarked against the Lambda Calculus Benchmark will show a statistically significant improvement compared to other models in the next 48h.", "created_at": "2026-04-25 19:09:53", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-27 19:10:38", "chain_hash": "a1265124aa7998264830944826ba7a0b5ca704dbda02809f25872c0f99f3cc05", "chain_tx": "5VbmkeDRng2255N734tsZEudKqAS4VVVHyaQkxvTi9J3pKmX6VSBwBWd9EvL5JGhy5KLSAmU2TWRfZiYSDMj2zAp", "verify": "sha256(f'{prediction_verbatim}|{created_at}|{id}') must equal chain_hash, and the Solana tx memo must read 'workshop:pred:<id>:<chain_hash>' with a timestamp BEFORE resolved_at. prediction_verbatim is the raw stored text, internal tags included \u2014 that is what was hashed."}