{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp12_substrate_denial72_20260805","research_id":"eoa_inverse_innovation_exp12_light_screen_20260805","cell_id":"pareto_frontier_navigation__accounting_auditing","search_lanes":{"direct_problem_and_intervention":{"queries":["bulk liquid tank inventory density stratification representative sampling multiple depths composite sample","tank inventory density stratification multi-level composite sampler"],"source_ids":["SRC1","SRC3","SRC4"],"no_result_note":null},"synonyms_and_historical_terms":{"queries":["petroleum tank manual sampling all-level running sample composite density API MPMS","liquid tank zone sample upper middle lower composite sample"],"source_ids":["SRC1","SRC2","SRC3"],"no_result_note":null},"products_practices_and_standards":{"queries":["ASTM D4057 tank sampling composite sample upper middle lower","API MPMS Chapter 8.1 manual sampling petroleum tank composite samples"],"source_ids":["SRC1","SRC2","SRC3"],"no_result_note":null},"component_combination":{"queries":["fixed volume aliquots multiple depths composite vessel tank sampler","Pareto optimization tank sampling depths composite representative sample","parabolic proportioning liquid sampler horizontal tanks representative sample"],"source_ids":["SRC4"],"no_result_note":"No retained source combined interchangeable sampling geometries with empirical dominance screening and knee-point selection."}},"sources":[{"source_id":"SRC1","title":"40 CFR § 1090.1335—Collecting, preparing, and testing samples","publisher":"Cornell Legal Information Institute","url":"https://www.law.cornell.edu/cfr/text/40/1090.1335","source_type":"OFFICIAL_STANDARD","claims_supported":["Representative batch sampling requires attention to mixing and contamination.","Manual tank sampling may use running or all-level samples or upper, middle, and lower spot samples following ASTM D4057.","Manual test validity in this regulatory context depends on demonstrated homogeneity, and manually composited samples are not allowed for the specified certification testing."]},{"source_id":"SRC2","title":"API Standards Plan: Industry Standards in Development","publisher":"American Petroleum Institute","url":"https://www.api.org/products-and-services/standards/standards-plan","source_type":"OFFICIAL_STANDARD","claims_supported":["API identifies MPMS Chapter 8.1 as Manual Sampling of Petroleum and Petroleum Products, corresponding to ASTM D4057.","The official standards plan lists Chapter 8.1 edition 6 dated September 1, 2022."]},{"source_id":"SRC3","title":"Factsheet: Fluids sampling procedure and sample representation (EMEAF)","publisher":"ExxonMobil Chemical","url":"https://www.exxonmobilchemical.com/en/resources/library/library-detail/105860/asset","source_type":"FIRST_PARTY_PRODUCT","claims_supported":["ExxonMobil describes representative hydrocarbon-fluid sampling based on ASTM D4057.","The described procedures include running-tank, composite-layer, and upper, middle, lower, top, and bottom samples."]},{"source_id":"SRC4","title":"US6109118A—Parabolic proportioning liquid sampler for fluids in horizontal tanks to accommodate accurate chemical analysis","publisher":"Google Patents","url":"https://patents.google.com/patent/US6109118A/en","source_type":"OTHER","claims_supported":["The patent explicitly identifies thermal, density, and compositional stratification as a representative-sampling problem in bulk tanks.","It discloses a mechanical sampler spanning tank strata, with vertically spaced apertures and internal volume weighting matched to horizontal-tank geometry.","Its stated purpose is to obtain a representative sample despite stratification and nonuniform tank cross-section."]}],"problem_evidence":{"status":"SUPPORTED","finding":"The problem is directly visible. Regulation and industry practice require representative or multi-level sampling and attention to homogeneity, while US6109118A expressly states that stratified bulk liquids and nonuniform tank geometry can defeat simpler sampling methods. The sources establish the physical representativeness problem, though they do not quantify its prevalence or financial materiality in inventory audits.","source_ids":["SRC1","SRC3","SRC4"]},"closest_prior_art":[{"name":"US6109118A parabolic proportioning liquid sampler","source_ids":["SRC4"],"overlap":"A mechanical device admits liquid at multiple vertical levels, spans stratified layers, and weights collected volume according to tank geometry to obtain a representative bulk-liquid sample.","remaining_difference":"It is an installed or removable full-depth sampler tailored to tank shape, not a portable manifold whose interchangeable fixed-depth plates are compared by error, withdrawal, time, connections, and leakage using Pareto dominance and a provisional knee rule."},{"name":"ASTM D4057/API MPMS 8.1 manual tank-sampling practice","source_ids":["SRC1","SRC2"],"overlap":"Recognized practice already replaces reliance on one accessible point with running/all-level sampling or upper, middle, and lower spot sampling to support representative measurement.","remaining_difference":"The retained material does not disclose empirical multiobjective screening of alternative physical sampling plates or mechanical commitment to a selected nondominated configuration."},{"name":"ExxonMobil composite-layer sampling practice","source_ids":["SRC3"],"overlap":"First-party practice already includes composite-layer and multiple named depth samples for representative hydrocarbon-fluid sampling.","remaining_difference":"It describes sampling procedures rather than a configurable fixed-volume manifold selected through dominance and knee-point trials."}],"prior_art_disposition":"ADJACENT_PRIOR_ART","contrastive_claim_remaining":"Among predefined, mechanically realizable multi-depth composite patterns, bench measurements can identify a replicate-stable nondominated set across reference-density error, withdrawal, handling time, connections, and leakage, and a hard-stopped plate near a predeclared knee can reduce error relative to one-depth sampling without being physically dominated by another tested plate. The claim is about the design-selection mechanism, not the already-established idea of multi-depth representative sampling.","contrastive_claim_falsifier":"The claim fails if prior art is found that already selects interchangeable tank-sampling geometries through comparable Pareto-dominance and knee analysis, or if preregistered surrogate trials show no stable nondominated composite plate, no repeatable error reduction over the single-depth baseline, or materially different frontiers across replicates and bounded stratification profiles.","gates":{"adequate_source_search":{"status":"PASS","rationale":"The bounded search covered the proposal directly, historical sampling terminology, standards and first-party practice, mechanical multi-level samplers, and the Pareto/component combination. Four opened sources from four publishers include official-standard and first-party material.","source_ids":["SRC1","SRC2","SRC3","SRC4"]},"supported_problem":{"status":"PASS","rationale":"Representative and multi-level tank sampling is visible in regulation and industry practice, and the patent expressly links tank stratification and geometry to sampling error.","source_ids":["SRC1","SRC3","SRC4"]},"distinct_testable_claim":{"status":"PASS","rationale":"Although multi-depth composite sampling is established, the retained sources do not show the proposed empirical dominance screen, knee rule, and keyed physical commitment. That residual combination has measurable outcomes and explicit falsifiers.","source_ids":["SRC1","SRC2","SRC3","SRC4"]},"bounded_next_test":{"status":"PASS","rationale":"A nonhazardous bench tank, four plates, several stratification profiles, randomized replicated draws, and comparison with a fully mixed reference constitute a finite reversible test. Tank geometry must be represented because prior art shows that depth weighting depends on cross-sectional volume.","source_ids":["SRC3","SRC4"]},"no_obvious_safety_or_authority_stop":{"status":"PASS","rationale":"No source creates a stop for the proposed nonhazardous, low-pressure surrogate experiment. Production use would require EHS, owner, and auditor approval, and SRC1 shows that a composite sample may be unacceptable for particular regulated certification purposes; the bounded trial neither bypasses that rule nor issues an audit conclusion.","source_ids":["SRC1","SRC4"]}},"screen_survival":true,"world_novelty_boundary":"This bounded public-web screen found established multi-depth/composite sampling and closely adjacent mechanical representative-sampler art, but no retained source combining it with Pareto dominance, knee selection, and an interchangeable hard-stopped plate. That search result does not establish world novelty, patentability, freedom to operate, market size, expert acceptance, audit admissibility, effect size, or realized value."}