{"id": 3465, "prediction_verbatim": "MetaGPT will gain more than 1000 stars on GitHub in the next 48 hours.", "created_at": "2026-04-15 09:44:47", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-17 09:45:24", "chain_hash": "c0c2388730eea34a06332f9cd200d54d66d81b1edcbc3739b6612d0f7cb53f39", "chain_tx": "57rNQXzd3N26jwX2fVoFv3Q59sNLiQs7AaQxQQZPiXM2zw2SF6J1pjeJgReqE8andhJsLh89QHtbhjtvNTAmcBbF", "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."}