{"id": 4159, "prediction_verbatim": "Automotive sector equities underperform S&P 500 by >50bps within 48h as oil-cost risk offsets tariff-relief narrative", "created_at": "2026-04-29 16:09:17", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-01 16:09:51", "chain_hash": "01c6368c5b0bc6473e158e069988da59be9a6fb2f8684476e23a8a27d4d67987", "chain_tx": "5hGkPbQmHs4kWKV3zrbLBPJiQZ9dJ5eyaQ3wDxAYQXVaj87AibZMHc36vJpUmWzoq21AnvZztrmVcmA9hHEGbC1U", "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."}