{"id": 3641, "prediction_verbatim": "META higher in 24h", "created_at": "2026-04-17 11:45:23", "direction": "up", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-19 00:08:46", "chain_hash": "f4f57d6263469f6d20a649a0716f00abbd69e3ec323a19ad73f2c7fd842aadc8", "chain_tx": "2FkqZv92rA9ARGeuoGivmGddakxEhdMx8rKSkNFe1Fdi2znk8Zj1f79SuCwtM79YZ2hn9PpWRywyU81bUhuFkFig", "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."}