{"abstention_reason":null,"arm":"SUBSTRATE_DIVERSE_P2","candidate_id":"predictive_precommitment_correction__engineering_design__SUBSTRATE_DIVERSE_P2","cell_id":"predictive_precommitment_correction__engineering_design","decision":"PROPOSAL","experiment_id":"eoa_inverse_innovation_exp13_second_slot_policy60_20260806","proposal":{"actors":["Composite process engineer who specifies the cure cycle and tooling boundary conditions","Materials technician who fabricates and instruments the sacrificial thermal surrogate","Manufacturing engineer who prepares the production layup and autoclave run","Materials and process authority who releases or withholds the production cure"],"affected_objective":"Cure a thick thermoset-composite component within allowable core temperature, thermal-gradient, consolidation, and final-cure envelopes without damaging an expensive production layup.","arm":"SUBSTRATE_DIVERSE_P2","authority_safety":{"authorized_first_step":"The materials and process authority may authorize fabrication and curing of one non-production, instrumented thermal-surrogate coupon inside an approved laboratory thermal-containment setup; it cannot authorize or automatically control a production cure.","decision_authority":"The designated materials and process authority retains production-cycle release authority, while the autoclave operator retains unconditional authority to abort any run that violates equipment or facility limits.","excluded_actions":["Automatic modification or actuation of a production autoclave cycle","Use of an uncontained surrogate geometry capable of exceeding laboratory thermal limits","Changing structural laminate architecture without the required design and certification review","Replacing qualified material-acceptance tests, equipment interlocks, production thermocouples, or nondestructive inspection","Treating one surrogate result as universal qualification across resin lots, thicknesses, tools, or boundary conditions"],"halt_rollback":"Stop surrogate testing if containment temperature, pressure, fumes, or equipment limits are approached, or if sensor disagreement makes the trace uninterpretable. Suspend its release role when production traces repeatedly fall outside its declared prediction bounds, and revert to the existing qualified cure specification and review process."},"baseline":"The production layup is cured using a previously qualified generic ramp-and-dwell schedule, supplier material data, small analytical material tests, and conservative process limits. Embedded production thermocouples reveal the actual thick-section response only after heating has begun and resin reaction is progressing; post-cure inspection detects defects after the component has consumed substantial material and equipment time.","candidate_id":"predictive_precommitment_correction__engineering_design__SUBSTRATE_DIVERSE_P2","causal_chain":["A planned thick-composite build fixes the resin lot, laminate thickness, tool material, bagging stack, insulation, and candidate cure cycle.","Before production layup commitment, technicians construct a sacrificial thermal surrogate using the same resin system and a representative thickness, thermal mass, tooling contact, insulation, and vacuum boundary.","The surrogate is cured in a contained fixture while independent core, intermediate, tool-side, and surface sensors record the heat physically generated and transported through the reacting material.","The measured trace previews peak exotherm, core-to-surface gradient, reaction timing, heat-removal lag, and post-run residual-cure indicators for the intended production configuration.","Those measurements are compared with preregistered temperature, gradient, consolidation, and residual-cure envelopes, including a scale-transfer uncertainty allowance.","If a predicted production excursion is actionable, the engineer changes ramp rate, dwell timing, tool preheat, insulation, heat-sink arrangement, vacuum timing, or allowable one-shot thickness before production material is committed.","The materials and process authority releases the production cure only after the revised configuration passes the physical-surrogate envelope or receives an independently justified disposition.","Production thermocouple traces and post-cure material measurements are paired with surrogate predictions to estimate transfer error and restrict, recalibrate, or retire the surrogate design."],"cell_id":"predictive_precommitment_correction__engineering_design","consequence":"An unsuitable cure cycle or thermal boundary can cause resin exotherm, degradation, excessive through-thickness gradients, incomplete cure, void formation, or residual stress after gelation begins, when cooling or schedule changes may no longer prevent scrapping or weakening the production component.","diversity_from_prior_proposals":"P1 addresses heavy-lift trajectory and load-state hazards through a digital model tied to lift authorization. This opportunity addresses irreversible thermoset reaction and heat-transfer failure through a sacrificial material surrogate measured before production cure; its problem, adjustable variables, commitment boundary, evidence, and chemical-thermal causal path are independent of crane planning.","experiment_id":"eoa_inverse_innovation_exp13_second_slot_policy60_20260806","intervention":"Place an instrumented, sacrificial thermal-mass surrogate upstream of each novel thick-section production cure. Build it from the intended resin system with representative laminate thickness and tooling boundaries, physically run the proposed thermal cycle in containment, and use the resulting exotherm and heat-transfer trace to pre-adjust the production ramp, dwell, insulation, heat sinking, vacuum timing, or build thickness before the irreversible production cure begins.","mechanism_mapping":[{"counterfactual_removal":"Without the reacting material surrogate, generic material properties and small samples do not reproduce the coupled exotherm, conduction, and thermal-mass response of the intended thick build before production commitment.","mechanism_slug":"precommitment_what_if_simulation","role":"Implements the consequence preview as a real chemical-thermal analog rather than a digital calculation."},{"counterfactual_removal":"Without a pre-cure release boundary, an adverse surrogate trace can be observed yet ignored while the unchanged production layup enters irreversible cure.","mechanism_slug":"staged_commitment_gate","role":"Keeps production material and equipment commitment pending until each predicted excursion is corrected or independently dispositioned."},{"counterfactual_removal":"Without comparing surrogate traces with later production measurements, geometry-dependent scale error can remain hidden and cause continued reliance outside the surrogate's validity range.","mechanism_slug":"forecast_error_backtest","role":"Quantifies physical-surrogate transfer error and supports changes to its geometry, uncertainty allowance, or authorized scope."}],"nearest_rivals":["Applying a generic qualified cure schedule with conservative limits","Using differential scanning calorimetry or supplier data on small homogeneous resin samples","Predicting cure response solely with finite-element thermal and kinetic software","Monitoring production thermocouples and changing the cycle after heating starts","Detecting cure defects through post-cure nondestructive inspection and destructive coupons"],"negative_tests":{"intervention_falsifier":"Across preregistered matched trials, surrogate traces fail to classify held-out production peak temperature, gradient, or residual-cure outcomes better than the qualified generic schedule and small-sample tests, or surrogate-driven adjustments increase production envelope violations.","problem_falsifier":"Historical production traces show that the qualified baseline already keeps all relevant resin lots, thicknesses, tools, and bagging configurations comfortably inside the target envelope, and any deviations remain cheaply reversible after production heating begins.","risks":["A small or simplified surrogate may not reproduce three-dimensional heat flow, edge losses, tool contact, resin bleed, or pressure response of the production part.","Fabrication differences between the surrogate and production layup can create false confidence.","Sensor placement or thermal inertia can hide the true local peak temperature.","The surrogate itself can undergo hazardous exotherm if its mass and containment limits are poorly selected.","Conservative transfer allowances can create unnecessary trials, slow cycles, or excessive cure time.","Resin aging or lot variation can invalidate an earlier surrogate result.","Changing insulation or cure timing to fix temperature may worsen consolidation, resin flow, residual stress, or tool constraints."],"strongest_counterevidence":"For geometrically complex parts, scale-dependent heat transfer and resin flow may make a disposable surrogate less representative than a validated coupled-physics analysis supported by small material tests and monitored production runs."},"next_evidence_step":"For one resin system and tool family, select six previously manufactured thick-section configurations with complete production thermocouple and post-cure records. Freeze surrogate geometry, physical similarity rules, sensor locations, thresholds, and uncertainty allowances; then fabricate contained surrogates using retained matching material without consulting the held-out production traces. Compare surrogate classifications and manually derived cycle adjustments with the recorded production outcomes. Record missed excursions, false blocks, transfer error, fabrication variability, and validity-boundary failures before considering any prospective production release role.","observable_state":"Before production commitment: resin identity and age, lot, laminate thickness, surrogate dimensions, tool-contact material, bagging and insulation stack, vacuum state, proposed ramp and dwell, sensor calibration, core and surface temperature traces, peak exotherm, reaction lag, maximum thermal gradient, mass or thickness change, post-run residual-cure measurement, transfer uncertainty, and proposed adjustments. After production: component thermocouple traces, pressure and vacuum history, realized peaks and gradients, cure measurements, void or delamination indications, dimensional distortion, and any cycle interventions.","prior_art_status":"UNSEARCHED","problem":"For thick thermoset-composite components, resin reaction and geometry-specific heat retention can make a cure schedule that is safe for thin qualification panels overshoot or under-cure the production laminate. The decisive response is often not observable until the production part is heating and gelation has begun, after which removing heat, changing flow history, or recovering uncured material is slow, unreliable, or impossible.","proposal_index":2,"remaining_contrastive_claim":"Unlike small material tests, software-only thermal prediction, in-process alarms, or post-cure inspection, the intervention exposes the coupled reaction-and-heat-transfer behavior in real material before production commitment and converts the measured gap into a physical process-setting change.","revision_record":{"claim_changes":["Initial version makes no novelty, prevalence, demand, or effect-size claim.","The contrastive claim is limited to the physical-surrogate causal structure and does not assert superiority over validated numerical analysis."],"conceptual_changes":["Initial version instantiates predictive precommitment correction at the onset of irreversible production cure.","The essential consequence model is a reacting material surrogate rather than a computational model or organizational review."],"evidence_changes":["No external evidence or prior-art search was used.","The proposed comparison uses held-out production measurements to test surrogate transfer validity."],"operational_changes":["The first evidence step is restricted to contained non-production surrogates matched to archived builds.","Production release, automatic equipment control, and changes to certified structural architecture are excluded."],"parent_version":null,"progress_targets_addressed":["Materially independent problem and intervention relative to P1","Physical and chemical primary causal substrate","Explicit irreversible commitment boundary","Observable thermal and cure envelope","Actionable pre-correction variables","Scale-transfer falsifier and calibration path","Bounded authority and contained first evidence step"]},"schema_version":1,"structural_mapping":[{"archetype_element":"Commitment point after which correction becomes expensive or ineffective","domain_realization":"The production laminate begins heating toward resin gelation and irreversible cross-linking."},{"archetype_element":"Intended action specification","domain_realization":"The selected resin lot, layup thickness, tooling and insulation boundary, vacuum sequence, and proposed autoclave ramp-and-dwell cycle."},{"archetype_element":"Target state and tolerance envelope","domain_realization":"Allowable core temperature, core-to-surface gradient, reaction timing, consolidation conditions, and post-run residual-cure bounds."},{"archetype_element":"Predictive consequence model","domain_realization":"A sacrificial representative laminate whose real polymerization heat and conductive response physically preview the proposed production cure."},{"archetype_element":"Context-state input","domain_realization":"Matched material lot, thickness, thermal mass, tool contact, insulation, vacuum condition, and imposed thermal cycle."},{"archetype_element":"Predicted gap signal and uncertainty","domain_realization":"A measured surrogate excursion or scale-transfer uncertainty band overlapping a production temperature, gradient, or cure limit."},{"archetype_element":"Adjustable control variables and pre-correction","domain_realization":"Change ramp rate, dwell timing, tool preheat, insulation, heat sinking, vacuum timing, or permitted one-shot build thickness before production cure."},{"archetype_element":"Gateable commitment","domain_realization":"Production cure release is withheld until the physical trace passes the declared envelope or an independent materials authority dispositions the deviation."},{"archetype_element":"Post-action calibration return path","domain_realization":"Surrogate predictions are compared with production thermocouple, cure, defect, and distortion measurements to quantify transfer error."},{"archetype_element":"Validity and fallback safeguards","domain_realization":"Contained surrogate size limits, calibrated redundant sensors, declared geometry and material scope, independent release authority, production interlocks, and reversion to the qualified baseline process."}],"substrate_contract":{"counterfactual_independence":"If all software, databases, automated decision logic, and workflow tooling are removed, the reacting surrogate still generates the coupled exotherm and heat-flow preview; calibrated thermocouples, a stand-alone recorder, printed envelopes, and manual process adjustments are sufficient to preserve the essential effect.","forbidden_channel_audit":"Governance supplies authorization and containment but does not predict the cure response. Training, incentives, staffing, information routing, algorithms, digital twins, and automated controls are neither the source of the thermal preview nor required to produce the pre-correction. The load-bearing evidence comes from polymer reaction, heat transport, representative physical geometry, and direct instrumentation.","primary_allowed_process":"PHYSICAL_MATERIAL"},"title":"Instrumented Reacting Surrogate for Pre-Correcting Thick-Composite Cure Cycles","version":0},"schema_version":1}