{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp12_substrate_denial72_20260805","research_id":"eoa_inverse_innovation_exp12_light_screen_20260805","cell_id":"preimage_set_characterization__chemistry_materials","search_lanes":{"direct_problem_and_intervention":{"queries":["two part silicone rubber mix ratio cure temperature cure time Shore A hardness tear strength study","silicone rubber same hardness different tear strength cure conditions"],"source_ids":["SRC1","SRC2"],"no_result_note":null},"synonyms_and_historical_terms":{"queries":["RTV silicone vulcanization catalyst concentration cure temperature hardness tear strength","PDMS cross-linker pre-polymer ratio curing temperature viscoelastic properties"],"source_ids":["SRC1","SRC2"],"no_result_note":null},"products_practices_and_standards":{"queries":["ASTM silicone rubber gasket qualification hardness tear strength","two-part silicone base catalyst mix ratio Shore A tear strength heat accelerated cure"],"source_ids":["SRC3","SRC4"],"no_result_note":null},"component_combination":{"queries":["PDMS mixing ratio curing time temperature Shore A hardness adhesion study","silicone elastomer factorial ratio temperature duration hardness mechanical properties"],"source_ids":["SRC1","SRC2","SRC3"],"no_result_note":null}},"sources":[{"source_id":"SRC1","title":"Effects of Precursors Ratio and Curing Treatment on the Icephobicity of Polydimethylsiloxane","publisher":"Coatings (MDPI)","url":"https://www.mdpi.com/2079-6412/14/7/901","source_type":"PRIMARY_RESEARCH","claims_supported":["The study physically prepared Sylgard 184 using four prepolymer-to-cross-linker ratios and up to nine temperature-duration cure treatments.","It measured Shore A hardness and a separate adhesion-related outcome, ice-detachment shear stress, for the resulting materials.","It found that precursor ratio and thermal treatment affected hardness and adhesion-related performance, with some responses being nonlinear or stabilizing across conditions."]},{"source_id":"SRC2","title":"Effect of Curing Temperature and Cross-Linker to Pre-Polymer Ratio on the Viscoelastic Properties of a PDMS Elastomer","publisher":"Advanced Materials Research / Trans Tech Publications","url":"https://www.scientific.net/AMR.1112.410","source_type":"PRIMARY_RESEARCH","claims_supported":["The study prepared Sylgard 184 with two curing-agent concentrations across cure temperatures from 25 to 150 degrees Celsius and durations from 48 hours to 25 minutes.","Storage modulus, loss modulus, and their stability depended on curing-agent percentage and cure temperature.","Systematic physical mapping of formulation and thermal-cure inputs to mechanical outputs is established prior practice."]},{"source_id":"SRC3","title":"ASTM C1115-17(2026), Standard Specification for Dense Elastomeric Silicone Rubber Gaskets and Accessories","publisher":"ASTM International","url":"https://store.astm.org/c1115-17r26.html","source_type":"OFFICIAL_STANDARD","claims_supported":["The specification classifies silicone gaskets by separate dimensions including tear resistance and durometer-hardness grade.","It calls for hardness, tensile strength, elongation, tear strength, compression set, aging, and other tests rather than treating hardness as a complete qualification property.","It places responsibility for applicable safety, health, environmental, and regulatory practices on the user."]},{"source_id":"SRC4","title":"SILASTIC™ RTV-4251-S2 Base and Curing Agent","publisher":"Dow","url":"https://www.dow.com/en-us/pdp.silastic-rtv-4251-s2-base-and-curing-agent.04009317h.html","source_type":"FIRST_PARTY_PRODUCT","claims_supported":["This commercial addition-cure silicone uses two parts at a specified 10:1 base-to-catalyst ratio.","The product can cure at room temperature or be heat accelerated.","Dow reports Shore A hardness, tear strength, tensile strength, and elongation as separate properties."]}],"problem_evidence":{"status":"PARTLY_SUPPORTED","finding":"The problem is visible at the mechanism and qualification-practice level: formulation ratio and thermal cure conditions alter silicone mechanical behavior, while gasket standards and product data treat hardness and tear-related properties separately. SRC1 comes especially close by mapping ratio and cure treatment to both Shore A hardness and adhesion-related shear stress. The retained sources do not directly demonstrate the exact proposed event—two gasket-process cells inside the same fixed Shore A band but differing in peel or tear—nor its production prevalence.","source_ids":["SRC1","SRC2","SRC3","SRC4"]},"closest_prior_art":[{"name":"Ratio-by-cure-treatment mapping of PDMS hardness and adhesion-related performance","source_ids":["SRC1"],"overlap":"A physical specimen program varies precursor ratio, cure temperature, and cure duration; measures Shore A hardness; and challenges the resulting specimens with a separate adhesion-related mechanical assay. This substantially overlaps the proposal's material mapping and projection-loss mechanism.","remaining_difference":"It is framed as formulation optimization for icephobicity, not as exhaustive membership and cardinality determination for a prospectively fixed hardness interval. It also does not use the proposal's declared 3×3×3 grid, unresolved-boundary rack, or peel-and-tear testing of every target-band member."},{"name":"Cross-linker, cure-temperature, and cure-duration study of PDMS viscoelasticity","source_ids":["SRC2"],"overlap":"It systematically fabricates physical PDMS samples under distinct cross-linker and thermal histories and shows that mechanical outputs and stability depend on those histories.","remaining_difference":"It measures rheological moduli rather than constructing a Shore A target-band preimage or testing equal-hardness witnesses for peel and tear."},{"name":"Multi-property qualification of dense silicone gaskets","source_ids":["SRC3"],"overlap":"The standard already separates hardness grade from tear resistance and requires multiple mechanical-property tests for silicone gaskets.","remaining_difference":"It does not reconstruct or enumerate the process-input states compatible with a hardness interval."}],"prior_art_disposition":"SUBSTANTIAL_COLLISION","contrastive_claim_remaining":"A prospectively specified, coverage-audited 3×3×3 coupon experiment can determine the membership and cardinality of a fixed Shore A target-band preimage within that exact discrete domain, explicitly retain unresolved boundary cells, and apply the same peel and tear assays to every target-band member. The retained art establishes closely related multi-input physical mapping and downstream testing, so the remaining contrast is the inverse-set protocol and its bounded completeness claim, not the general idea of varying ratio and cure history while measuring hardness and another mechanical property.","contrastive_claim_falsifier":"The remaining distinction is falsified if prior work or an established laboratory protocol is found that exhaustively covers a declared ratio-by-temperature-by-duration domain, prospectively filters every cell by a fixed hardness band with coverage and unresolved-case accounting, counts all matching cells, and mechanically tests every matching witness for adhesion or tear. Experimentally, it is also falsified if repeated fabrication cannot reproduce membership or if no multiple-cell target-band preimage exists in the declared domain.","gates":{"adequate_source_search":{"status":"PASS","rationale":"The bounded search covered direct wording, RTV/vulcanization and cross-linker terminology, commercial products and gasket standards, and combinations of ratio, temperature, duration, Shore hardness, adhesion, tear, and factorial mapping. Four opened sources span four publisher identities and include two primary studies, an official standard, and a first-party product source.","source_ids":["SRC1","SRC2","SRC3","SRC4"]},"supported_problem":{"status":"PASS","rationale":"Although exact equal-hardness/different-tear gasket collisions were not directly documented, the sources support the underlying ambiguity: process inputs affect multiple material properties, and hardness is treated separately from tear and adhesion-related performance. This is sufficient for partly supported problem evidence and a bounded test.","source_ids":["SRC1","SRC2","SRC3","SRC4"]},"distinct_testable_claim":{"status":"PASS","rationale":"The fixed-band preimage-membership rule, exhaustive 27-cell coverage claim, cardinality count, boundary handling, and uniform peel/tear challenge form a specific falsifiable contrast not found together in the retained sources.","source_ids":["SRC1","SRC2","SRC3"]},"bounded_next_test":{"status":"PASS","rationale":"The proposed 81-coupon experiment is limited to one lot, geometry, conditioning protocol, and 27 discrete cells, with preset measurements, replicate rules, unresolved outcomes, and negative results. It does not require changing production.","source_ids":["SRC1","SRC2","SRC4"]},"no_obvious_safety_or_authority_stop":{"status":"PASS","rationale":"No categorical stop is apparent for a manager-authorized bench coupon study using approved mixing, heating, durometer, peel, and tear equipment. Applicable SDS, oven limits, uncured-material controls, waste practices, and ASTM's user-responsibility requirement remain mandatory; production recipe changes or gasket release are outside the test authority.","source_ids":["SRC3","SRC4"]}},"screen_survival":false,"world_novelty_boundary":"This four-source public-web screen finds substantial conceptual and experimental collision but does not establish world novelty, patentability, freedom to operate, market size, expert acceptance, prevalence, production transfer, or realized value. Unsearched patents, paywalled literature, supplier studies, and internal qualification protocols may contain closer matches; conversely, the retained sources do not erase the narrower testable distinction concerning complete preimage membership and cardinality within the declared finite grid."}