{"judgments":[{"pair_id":"E13Q020","reason":"A instantiates the fast/slow-store structure directly, with explicit authority, transfer, expiration, and reconciliation rules. B is a thoughtful dual-aliquot design, but its preserved specimen functions more as evidentiary retention than an integrated slow store.","scores_a":{"causal_coherence":5,"contrivance_risk":2,"incremental_portfolio_value":4,"operational_specificity":5,"practicality":4,"structural_fidelity":5,"testability":5},"scores_b":{"causal_coherence":5,"contrivance_risk":3,"incremental_portfolio_value":5,"operational_specificity":5,"practicality":4,"structural_fidelity":4,"testability":5},"winner":"A"},{"pair_id":"E13Q028","reason":"Both are faithful event-first designs, but B adds a materially different, physically measurable application with strong replay, calibration, and coverage controls. Its deployment burden is substantial but bounded by a credible bench test.","scores_a":{"causal_coherence":5,"contrivance_risk":2,"incremental_portfolio_value":3,"operational_specificity":5,"practicality":4,"structural_fidelity":5,"testability":5},"scores_b":{"causal_coherence":5,"contrivance_risk":3,"incremental_portfolio_value":5,"operational_specificity":5,"practicality":3,"structural_fidelity":5,"testability":5},"winner":"B"},{"pair_id":"E13Q004","reason":"A is an especially clean application of stable aggregate compliance masking consequential object trajectories. B is also strong and includes a plausible local remedy, but adds material-handling complexity beyond the core interpretive intervention.","scores_a":{"causal_coherence":5,"contrivance_risk":2,"incremental_portfolio_value":4,"operational_specificity":5,"practicality":5,"structural_fidelity":5,"testability":5},"scores_b":{"causal_coherence":5,"contrivance_risk":2,"incremental_portfolio_value":5,"operational_specificity":5,"practicality":3,"structural_fidelity":5,"testability":5},"winner":"A"},{"pair_id":"E13Q016","reason":"A provides a disciplined, preservation-safe abductive workflow with clear rivals and read-only discriminating probes. B has an inventive physical differential, but its proposed indicators may not discriminate the competing mechanisms sufficiently to justify its added complexity.","scores_a":{"causal_coherence":5,"contrivance_risk":2,"incremental_portfolio_value":4,"operational_specificity":5,"practicality":5,"structural_fidelity":5,"testability":5},"scores_b":{"causal_coherence":4,"contrivance_risk":3,"incremental_portfolio_value":5,"operational_specificity":5,"practicality":3,"structural_fidelity":5,"testability":4},"winner":"A"},{"pair_id":"E13Q018","reason":"A naturally makes heterogeneous sport-science assertions canonical and athlete summaries rebuildable. B preserves rich traces but the bespoke physical-roll apparatus is a forced substitute for already-available digital capture and weakens practicality.","scores_a":{"causal_coherence":5,"contrivance_risk":2,"incremental_portfolio_value":5,"operational_specificity":5,"practicality":4,"structural_fidelity":5,"testability":5},"scores_b":{"causal_coherence":4,"contrivance_risk":5,"incremental_portfolio_value":4,"operational_specificity":5,"practicality":2,"structural_fidelity":4,"testability":4},"winner":"A"},{"pair_id":"E13Q001","reason":"A directly tests whether hybrid temporal representation improves historical selection and contextualization without reifying its outputs. B is a careful physical study, but is narrower, costlier, and its material distinctions cannot resolve many of the literary claims motivating the work.","scores_a":{"causal_coherence":4,"contrivance_risk":2,"incremental_portfolio_value":4,"operational_specificity":5,"practicality":4,"structural_fidelity":5,"testability":4},"scores_b":{"causal_coherence":5,"contrivance_risk":2,"incremental_portfolio_value":5,"operational_specificity":5,"practicality":3,"structural_fidelity":5,"testability":5},"winner":"A"}]}