# Contract — F4-conf-03

Question. Re-express five printed treatment effects (from four arXiv extracts) on a stated target definition, using only quantities printed in the cited extract and an explicit transformation; where impossible, say so and name the missing quantity. Estimands. Harmonised point estimates E1–E5 (no uncertainty propagation). Meaningful under the TASK conventions: log-point b -> 100(exp(b)-1)%; pp effect Δ with control level p -> 100Δ/p %; elasticity η with proportional change g -> 100ηg %; probability change on 0-1 scale -> ×100 pp. Outputs. out/results.json (harmonised{E1..E5:{value,unit,transformation,harmonisable,missing_quantity,locator}}, n_harmonised, n_not_harmonisable, task_id, feasibility, feasibility_reason, data_issues, n_input_rows, n_analysed, random_seed=null); out/report.md (Question; Data and exclusions; Method; Results; Uncertainty; Limitations and open issues); out/analysis.py (prints source lines used); out/claims.json. Information rules. Only extracts are admissible; no remembered values; harmonisable=false only when a needed quantity is unprinted (value null, missing_quantity named). Invalidity. Using unprinted/external quantities; altering printed values; feasibility "complete" means each item has either a value or justified impossibility.