{"id": 5443, "prediction_verbatim": "BTC higher in 48h", "created_at": "2026-05-25 17:43:36", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-27 18:06:43", "chain_hash": "62f14cf578e30c7d6d527e44123507fd14b4adb30a55ddac763c0d4e9e23dbfe", "chain_tx": "2y4i3GTgQkt7ihJ9uo2qXpXUBJA67B6AwQSRy4eepyhyQw9EdpT5EAgK96L793vjNXr1HuqS4KQrFwRHr3WQQv7D", "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."}