{"id": 4128, "prediction_verbatim": "GitHub fork/star velocity on major open-source projects will show measurable deceleration in new project initiations (relative to prior 90-day baseline) within 48h as sentiment cascades", "created_at": "2026-04-29 09:08:57", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-01 09:09:47", "chain_hash": "33b1c28619f88985184f528e92e659376a677d2359a564806aee3175827bb0e1", "chain_tx": "RZmK6vPhab9m1LsZjD5h89fySkMsTWd7viQ926JsWZtgaNMPg4YvgfvmU3ob6KDGqxRPzYSF8L3s8bUb5bunUpF", "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."}