Proof

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Latest frozen release

handoff-v6.36-20261029

commit 577c34f3ae43 · +6 files · verified 2026-10-29

All data we hold is cleared for sharing with Zeno and training. Only leakage, missing outcomes and Zeno's own test set are kept out. All 6 files re-downloaded from Hugging Face and matched by sha256.

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Reading release files…

What is in the record · measured 2026-10-29

Headline numbers

13.5M
forecasts

ForecastBench panels: 13,523,509 rows, 6,311,674 with real answers

19,019
markets with full price history

Of 19,030 verified temperature markets; 11 have no Polymarket history, 0 failed (v6.11)

808
forecasters in 82 families

756 AI models, 38 human groups, 6 baselines, 8 aggregates

12
domains

Geopolitics & world events, Single-run weather, Ensemble weather, Prediction markets, Market traders, Crypto, Central-bank surveys, Economics, Energy, Health, Space weather, Hurricanes

431k
weather training cases

205,746 single-run + 225,235 ensemble, 59 sites, 18 weeks

38
data defects published

Two audits on 2026-10-20: all 11 critical fixed (invented or early clocks, answer-conditioned forecasts, stalled collectors); 12 lower-severity still open. Affected rows are excluded or flagged, never silently kept.

Held out of training

Collected and public, but not used until the gate below clears.

  • notflat.world · heldWaiting on the producer: no complete snapshot yet (totals blank, their counting job times out). Nothing reaches training until one full snapshot passes our checks.Snapshot check list
  • Rivers (USGS) · heldHeld until hydrology validation passes on independent 7-day event blocks; 3–7 day forecast ranges are also far too narrow.Daily ingest feed