{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp09_archetype_breadth150_20260804","cell_id":"preimage_set_characterization__chemistry_materials","arm":"BREADTH_PROBE_ONE_SHOT","candidate_id":"preimage_set_characterization__chemistry_materials__P1","proposal_index":1,"version":0,"title":"Viscosity-Collision Map for Battery-Electrode Slurry Release","problem":"A battery-electrode slurry is released when a single-point apparent-viscosity measurement falls within its specification band. Within one declared formulation and production line, distinct combinations of solids fraction, raw-material lot, mixing energy, addition order, rest time, and sample temperature can satisfy that same output condition. Treating the passing value as evidence of one well-controlled material state can conceal process-state collisions that differ in coating behavior.","actors":["Slurry mixing operators","Quality-control laboratory analysts","Electrode process engineers","Production release authority","Environment, health, and safety reviewer"],"observable_state":"Two or more slurry batches produce the same in-specification apparent-viscosity result under the fixed release protocol, while their recorded preparation states differ and subsequent standardized drawdowns exhibit different thickness uniformity, edge stability, or drying-defect observations.","consequence":"The release result cannot identify which preparation state produced it. A batch may be released, investigated, or adjusted as though the viscosity band represented a unique material state, causing misdirected troubleshooting and exposing coating quality, yield, and material disposition decisions to information lost by the single measurement.","affected_objective":"Make slurry-release and troubleshooting decisions that remain valid despite many-to-one collapse from preparation state to a single-point viscosity band.","intervention":"For one formulation, mixer, measurement protocol, and approved input envelope, construct the bounded preimage of the passing viscosity band. Define each eligible preparation state by controlled ranges for solids fraction, material lot, mixing energy, addition order, rest time, and sample temperature; apply a reproducible viscosity-membership predicate; use bench measurements plus a constraint-solver backsolve to represent satisfying regions; record collisions and boundary cases; and audit which portions of the declared domain remain untested. Attach a downstream-use rule stating that membership establishes consistency with the passing viscosity output, not equivalent microstructure, coatability, or causal responsibility. States in materially different collision groups are routed to a supplemental drawdown or rheology check before any proposed release-policy change.","structural_mapping":[{"archetype_element":"Mapping Under Review","domain_realization":"A versioned mapping from the declared slurry preparation state and fixed measurement protocol to the measured single-point apparent viscosity."},{"archetype_element":"Output Condition or Target Value","domain_realization":"The current in-specification viscosity band under a stated spindle or geometry, shear condition, sample temperature, and elapsed time after mixing."},{"archetype_element":"Input Domain Boundary","domain_realization":"One electrode formulation, mixer scale, raw-material qualification class, and explicitly bounded ranges of solids fraction, lots, mixing energy, addition order, rest time, and measurement temperature."},{"archetype_element":"Preimage Membership Rule","domain_realization":"Include a preparation state when replicated measurements under the fixed protocol place its viscosity inside the target band under the prespecified treatment of measurement uncertainty."},{"archetype_element":"Candidate Input Enumeration","domain_realization":"Represent discrete factors as enumerated combinations and continuous factors as bounded cells or constraint regions rather than listing a few successful recipes."},{"archetype_element":"Collision and Multiplicity Check","domain_realization":"Identify distinct preparation-state cells that produce indistinguishable passing viscosity results and compare their standardized drawdown observations."},{"archetype_element":"Completeness Evidence","domain_realization":"Maintain a coverage ledger showing tested cells, solver-supported interpolated regions, excluded regions, and unknown regions within the declared envelope."},{"archetype_element":"Boundary Case Register","domain_realization":"Retain states whose replicate measurements straddle the viscosity limits or whose membership changes under allowed temperature or timing variation."},{"archetype_element":"Projection Loss Note","domain_realization":"Document that one viscosity value discards preparation history and does not uniquely encode slurry structure or coating response."},{"archetype_element":"Downstream Use Guardrail","domain_realization":"Do not infer a unique process cause, equivalent coatability, or production-release suitability solely from preimage membership."}],"mechanism_mapping":[{"mechanism_slug":"constraint_solver_backsolve","role":"Backsolve bounded combinations of preparation variables that are consistent with the passing viscosity predicate, while marking regions unsupported by measurements.","counterfactual_removal":"Without the backsolve, the artifact would remain a collection of observed recipes rather than a bounded characterization of satisfying input regions."},{"mechanism_slug":"collision_analysis_matrix","role":"Cross-tabulate distinct preparation-state cells sharing the passing output against standardized drawdown observations and supplemental rheology measurements.","counterfactual_removal":"Without collision analysis, multiplicity would be counted but the operationally important differences hidden by the output would remain invisible."},{"mechanism_slug":"coverage_completeness_audit","role":"Distinguish tested, interpolated, excluded, and unknown portions of the declared input domain.","counterfactual_removal":"Without the audit, a sampled subset could be mistaken for the complete preimage."},{"mechanism_slug":"sensitivity_to_mapping_change_review","role":"Recompute membership when the viscosity limits, measurement temperature, timing, geometry, formulation, or input envelope changes.","counterfactual_removal":"Without sensitivity review, the preimage could be reused after its defining mapping changed."}],"causal_chain":["The fixed release test projects a multidimensional preparation state onto one apparent-viscosity result.","Distinct preparation states can satisfy the same passing-band predicate, creating a many-to-one collision set.","The baseline release view hides this multiplicity and encourages users to interpret a passing result as a uniquely characterized slurry state.","Preimage construction makes the satisfying preparation-state regions, boundary cases, and unknown regions explicit.","Collision analysis tests whether states sharing the output also differ on standardized coating-relevant observations.","The downstream-use rule prevents viscosity membership from being treated as proof of equivalent material behavior or a unique root cause.","Release authorities can then decide whether particular collision groups require an additional measurement, while retaining existing controls until evidence supports a policy change."],"baseline":"Continue the existing single-point viscosity pass/fail test, inspect batch records only after a failure or coating problem, and troubleshoot from the observed batch rather than maintaining the bounded set of preparation states compatible with a passing result.","nearest_rivals":["An expanded rheology panel measures more outputs but does not itself characterize every bounded preparation state mapping to the original passing band.","A design-of-experiments optimization searches for a preferred recipe but need not preserve all nonpreferred states that satisfy the same release output.","Conventional root-cause analysis seeks the actual cause of a defect after occurrence, whereas this intervention first maps all states compatible with the observed release result.","Tightening the viscosity specification reduces the output band but does not establish inverse uniqueness or document remaining collisions."],"remaining_contrastive_claim":"The candidate's distinct contribution is to make the bounded set of preparation states compatible with one passing release output the governed artifact, including multiplicity, boundaries, completeness limits, and an explicit prohibition on treating compatibility as causal or behavioral equivalence.","authority_safety":{"decision_authority":"The quality-release authority retains production disposition authority; process engineering may design the bounded study; the QC laboratory controls the measurement method; environment, health, and safety personnel approve bench handling limits.","authorized_first_step":"Process engineering and QC may run non-production bench microbatches using already qualified materials and inputs inside existing laboratory and safety limits, then analyze retained or newly generated samples without changing production recipes or release criteria.","excluded_actions":["Changing the production release specification from the pilot result alone","Releasing or rejecting a production batch solely from an inferred preimage cell","Introducing unqualified materials or exceeding approved mixing, solvent-handling, temperature, or equipment limits","Claiming that a satisfying preparation state caused a coating outcome without separate causal evidence","Extrapolating the map to another formulation, mixer scale, or measurement protocol"],"halt_rollback":"Stop the study upon unsafe temperature, pressure, solvent exposure, equipment instability, or an unapproved domain excursion. Quarantine affected samples, revert to the unchanged release procedure, and invalidate any preimage region dependent on the excursion or on failed measurement controls."},"negative_tests":{"strongest_counterevidence":"Across the declared domain, replicated passing viscosity results correspond to a single preparation-state region within measurement resolution, or observed collisions show no reproducible difference on any prespecified supplemental rheology or drawdown measure.","problem_falsifier":"The problem is falsified for the bounded setting if the mapping is effectively injective at the decision-relevant resolution, or if all distinct states in the passing preimage are operationally interchangeable under the prespecified downstream tests.","intervention_falsifier":"The intervention is falsified if held-out preparation states satisfying the passing predicate repeatedly fall outside the characterized regions, or if the coverage classifications cannot be reproduced by independent analysts using the same mapping, domain, and membership rule.","risks":["A sparse study may create false confidence that the preimage is complete.","Unrecorded material or environmental variables may generate unseen collision groups.","Bench-scale preparation may not preserve the production-scale mapping.","Measurement noise may create unstable membership near specification boundaries.","The map may become stale after changes to formulation, equipment, protocol, or raw-material qualification.","Operators may mistake preimage membership for permission to adjust a batch toward a favored state.","Supplemental testing could add delay without improving decision discrimination."]},"next_evidence_step":"Run a bounded, preregistered 24-microbatch bench study for one formulation: select preparation states spanning the approved corners and interior of the declared domain, randomize run order, perform blinded duplicate viscosity measurements under the fixed release protocol, and collect one standardized drawdown plus one supplemental rheology trace per state. Reserve six states from model fitting as a held-out test of membership and unknown-region labeling. The deliverable is a provisional preimage table, collision matrix, boundary register, and coverage audit; no production specification or disposition changes are authorized.","prior_art_status":"UNSEARCHED","diversity_from_prior_proposals":"Not assessed against other proposals because runtime isolation prohibits inspecting them; this candidate was derived solely from the supplied archetype and chemistry-and-materials domain card.","revision_record":{"parent_version":null,"progress_targets_addressed":["Initial one-shot candidate only"],"conceptual_changes":[],"operational_changes":[],"evidence_changes":[],"claim_changes":[]}}