{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp12_substrate_denial72_20260805","cell_id":"additive_measure_space_design__chemistry_materials","arm":"CONSTRAINED_HIGH","candidate_id":"additive_measure_space_design__chemistry_materials__CONSTRAINED_HIGH","decision":"PROPOSAL","abstention_reason":null,"proposal":{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp12_substrate_denial72_20260805","cell_id":"additive_measure_space_design__chemistry_materials","arm":"CONSTRAINED_HIGH","candidate_id":"additive_measure_space_design__chemistry_materials__CONSTRAINED_HIGH","proposal_index":1,"version":0,"title":"Tessellated Gravimetric Catalyst-Carrier Plate","problem":"A catalyst washcoat can be distributed unevenly across a carrier plate even when the plate's total coating mass is acceptable. Whole-plate gravimetry hides spatial deficits and excesses, while isolated point measurements do not provide an additive account of the entire coated footprint. Local loading differences can therefore remain unresolved before reactor use.","actors":["Catalyst-coating technician","Materials characterization technician","Reactor test lead","Coating material","Interlocking carrier tiles","Assembled catalyst-carrier plate","Laboratory balance"],"observable_state":"For every non-overlapping carrier tile, the observable state is its conditioned mass before coating, conditioned mass after coating, exposed area, and resulting nonnegative coating-mass difference. The sum of tile differences is compared with the independently measured mass change of the assembled carrier. Values below balance resolution are recorded as unresolved rather than treated as physical zero.","consequence":"Without a full-footprint additive measurement, the same bulk coating mass can conceal distinct spatial loading patterns, leaving uncertainty about local catalytic inventory and possible uneven conversion or heat generation during later reactor tests.","affected_objective":"Obtain a spatially resolved, physically traceable coating-mass measure whose disjoint regional values recompose to the carrier's total deposited mass.","intervention":"Construct the functional carrier as a close-fitting tessellation of removable, uniquely identified ceramic tiles. Condition and weigh each clean tile, assemble and coat the plate, then condition, separate, and reweigh the same tiles. Each coating-mass increment is assigned to exactly one physical tile; the tiles form the declared measurable partition of the carrier footprint. A second whole-assembly weighing supplies an independent scale anchor and detects material assigned to seams, fixtures, or lost during handling. No inferred interpolation is required to obtain the mass of any tile or union of tiles.","structural_mapping":[{"archetype_element":"Measurable Universe Scope","domain_realization":"All coating retained on the removable tiles constituting one specified carrier plate; fixture deposits, loose debris, and seam inserts are outside the universe and are weighed separately."},{"archetype_element":"Measurable Subset Family","domain_realization":"Individual tiles and unions of complete tiles are measurable subsets. A region cutting through a tile is not assigned a gravimetric mass without a separate destructive measurement."},{"archetype_element":"Empty-Set Zero Rule","domain_realization":"A union containing no tiles has zero assigned coating mass; an actual tile reading below resolution is marked unresolved rather than equated with the empty set."},{"archetype_element":"Nonnegative Size Assignment Rule","domain_realization":"Conditioned post-coating mass minus conditioned pre-coating mass is the deposited-mass measure. Negative differences trigger a contamination, substrate-loss, or conditioning check and are not accepted as coating mass."},{"archetype_element":"Disjoint Additivity Rule","domain_realization":"Because each physical tile is non-overlapping and every retained coating portion belongs to one tile, masses of disjoint tile groups add to the mass assigned to their union."},{"archetype_element":"Normalization or Scale Anchor","domain_realization":"A calibrated balance establishes mass units, and the independently measured whole-assembly mass change anchors the tile-sum total within declared measurement uncertainty."},{"archetype_element":"Null-Set and Negligibility Policy","domain_realization":"Below-resolution increments, seam deposits, detached particles, and balance drift remain separate uncertainty terms rather than being silently assigned zero."},{"archetype_element":"Partition Consistency Register","domain_realization":"The physical check is agreement, within propagated weighing uncertainty, between the sum of individual tile increments and the whole-assembly increment."},{"archetype_element":"Measurability Boundary Queue","domain_realization":"Seams, masked edges, fractured tiles, material adhering to fixtures, and regions requested below tile scale are explicitly outside ordinary tile measurement and require separate physical assay."},{"archetype_element":"Integration and Downstream Use Contract","domain_realization":"Tile masses may be summed for any union of complete tiles and divided by their exposed areas for local areal loading, but they do not by themselves establish catalytic activity, composition, adhesion, or within-tile uniformity."}],"mechanism_mapping":[{"mechanism_slug":"measure-space-specification","role":"The carrier's physical tessellation fixes the universe, admissible subsets, membership boundaries, and mass unit before spatial coating totals are interpreted.","counterfactual_removal":"Without a fixed non-overlapping tile universe, deposits at boundaries could be omitted or attributed to multiple regions, so regional values would not form a defensible additive measure."},{"mechanism_slug":"finite-or-countable-additivity-test","role":"Individual tile mass increments are summed and physically checked against the separately weighed assembled carrier.","counterfactual_removal":"Without this recomposition test, unnoticed coating loss, seam material, balance bias, or double attribution could survive while producing a plausible spatial table."},{"mechanism_slug":"normalization-constant-calibration","role":"The balance calibration and whole-assembly mass change provide a common scale anchor for every tile measurement.","counterfactual_removal":"Without a shared physical mass scale, tile readings could not be compared or recomposed as one coating-mass quantity."},{"mechanism_slug":"area-volume-or-counting-template","role":"Tile mass is the primary measure, while measured exposed tile area permits a derived areal-loading value without changing mass membership.","counterfactual_removal":"Mass would remain additive, but comparisons among differently sized tiles would no longer distinguish geometric size from coating-density variation."},{"mechanism_slug":"null-set-policy-register","role":"Physical blank tiles, below-resolution changes, detached particles, and excluded seam deposits distinguish absence from unmeasured or lost material.","counterfactual_removal":"Small or boundary-associated deposits could be mislabeled as zero, undermining the claimed coverage of the carrier mass."}],"causal_chain":["A carrier is divided into close-fitting, removable, non-overlapping tiles whose union defines the coated footprint.","Pre-coating conditioning and gravimetry establish a mass baseline for each tile on one physical unit scale.","Coating material retained by the carrier becomes physically attached to exactly one tile rather than to overlapping analytical regions.","Post-coating gravimetry converts each tile's retained deposit into a nonnegative mass increment.","Summing increments over disjoint tile groups yields the measured mass of their unions.","Comparison with the independently weighed whole assembly exposes gaps, losses, seam deposits, or scale inconsistency.","The resulting tile-resolution mass field distinguishes spatial loading patterns that share the same bulk total without relying on interpolation or software inference."],"baseline":"Weigh the carrier only as a single article before and after coating and report total mass or total mass divided by overall area. This baseline provides no direct additive localization within the carrier.","nearest_rivals":["Scanning X-ray fluorescence or related spectroscopic mapping, which can provide finer spatial information but requires composition- and geometry-dependent calibration to translate signal into deposited mass.","Point quartz-crystal or witness-coupon measurements placed near the carrier, which observe selected locations but infer rather than exhaustively partition the functional article.","Destructive coring or sectioning followed by gravimetry or chemical assay, which measures local regions directly but consumes the carrier and may leave unsampled regions.","Optical thickness or color mapping, which can cover the footprint but may confound thickness with porosity, composition, roughness, or optical response."],"remaining_contrastive_claim":"Conditional on stable conditioning, negligible tile substrate loss, and acceptable seam effects, the tessellated carrier supplies a directly additive coating-mass measure over the complete functional footprint at tile resolution; unlike bulk weighing it localizes mass, and unlike sparse witnesses it does not infer the mass of unmeasured tile regions.","authority_safety":{"decision_authority":"A laboratory materials lead may authorize fabrication and bench characterization of a non-production prototype; reactor use and production acceptance remain with the responsible reactor and process-safety authorities.","authorized_first_step":"Fabricate and characterize one small inert tiled coupon assembly using a nonreactive surrogate coating under existing laboratory handling controls.","excluded_actions":["Installing the prototype in an operating reactor","Using pyrophoric, highly toxic, explosive, or otherwise unapproved catalyst chemistry","Changing a production coating acceptance criterion","Treating tile mass as proof of catalytic activity, adhesion, or composition","Scaling the design beyond laboratory coupons without mechanical and process-safety review"],"halt_rollback":"Stop if tiles fracture, coating is materially lost during separation, balance drift exceeds the planned uncertainty allowance, or tile sums fail the whole-assembly check. Retain the intact baseline carrier design and archive the prototype measurements as inconclusive; no production hardware is altered."},"negative_tests":{"strongest_counterevidence":"Direct comparison shows that tile seams or disassembly materially alter deposition relative to a geometrically matched monolithic carrier, so the measured spatial distribution is an artifact of the measurement architecture.","problem_falsifier":"Independent full-footprint physical assays across representative monolithic carriers show that spatial coating-mass variation is negligible for the intended downstream use, making localization unnecessary.","intervention_falsifier":"Repeated pre/post weighings cannot reproduce tile increments within the required uncertainty, the summed increments disagree with whole-assembly mass change beyond propagated uncertainty, or destructive chemical assay fails to track gravimetric deposit mass.","risks":["Seams can perturb coating flow and create edge accumulation or depletion.","Tile separation can shed coating and bias local mass downward.","Moisture, solvent retention, or thermal history can dominate small mass differences.","Ceramic wear or substrate dissolution can produce apparent negative coating mass.","Balance drift, electrostatic charge, and handling contamination can corrupt increments.","Tile resolution can conceal within-tile nonuniformity.","Added seams can weaken the carrier or alter later reactor flow and heat transfer.","Mass loading alone can be mistaken for composition, adhesion, accessible surface area, or catalytic performance."]},"next_evidence_step":"On one bench-scale assembly of twelve tiles, perform three independent conditioning-and-weighing cycles before coating, apply a nonreactive surrogate coating, repeat three post-coating cycles, and compare the tile-sum increment with the whole-assembly increment. Use a geometrically matched monolithic coupon and removable seam-adjacent witness strips to test whether seams alter deposition. Destructively assay four prespecified tiles only after gravimetry to check whether measured mass corresponds to retained surrogate. The step ends with uncertainty, recomposition error, handling loss, and seam-effect estimates; it does not authorize reactor deployment.","prior_art_status":"UNSEARCHED","diversity_from_prior_proposals":"No other proposals or experiment cells were inspected. This candidate is derived solely from the supplied archetype and domain card and realizes additive measure through physical segmentation and gravimetry.","revision_record":{"parent_version":null,"progress_targets_addressed":["Construct one causally defensible chemistry-and-materials realization","Preserve universe, subset membership, nonnegativity, disjoint additivity, scale anchoring, and null-case handling","Ensure the essential effect is measurement-instrumentation based and independent of forbidden wrappers","Bound authority and the first evidence step","State serious rivals, counterevidence, falsifiers, and risks without novelty or effect-size claims"],"conceptual_changes":["Initial version directly instantiates measurable subsets as physical carrier tiles rather than treating software-defined image regions as the operative intervention."],"operational_changes":["Specified removable functional tiles, pre/post conditioning and gravimetry, whole-assembly recomposition, seam controls, and destructive spot assay."],"evidence_changes":["Prior art remains unsearched; only a bounded laboratory validation design is proposed."],"claim_changes":["The claim is limited to directly additive coating-mass localization at tile resolution under stated physical conditions."]},"substrate_contract":{"primary_allowed_process":"MEASUREMENT_INSTRUMENTATION","counterfactual_independence":"If all software, algorithmic inference, dashboards, reporting, incentives, authorization rules, and procedural enforcement are removed, the tiled carrier still assigns every retained coating portion to one non-overlapping physical tile, and a balance still converts each tile's pre/post mass difference into an additive mass. The tile increments can be written down and summed manually; computation may ease arithmetic but does not create membership, mass, or additivity.","forbidden_channel_audit":"No algorithm, database, model, recommender, information-routing system, or software feedback loop produces the operative measurement. No policy, incentive, training program, permission structure, or review workflow causes the mass localization. Human handling is necessary to operate the instrument, but the essential causal effect comes from physical tessellation, material attachment, conditioning, and gravimetric comparison. Downstream acceptance decisions are explicitly outside the intervention's essential effect."}}}