{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp12_substrate_denial72_20260805","research_id":"eoa_inverse_innovation_exp12_light_screen_20260805","cell_id":"constraint_propagation_and_decoupling__accounting_auditing","search_lanes":{"direct_problem_and_intervention":{"queries":["bulk liquid inventory audit shared manifold mass balance tank transfer physical isolation challenge test","auditing bulk liquid inventory physical measurement tanks manifold"],"source_ids":["SRC1","SRC4"],"no_result_note":null},"synonyms_and_historical_terms":{"queries":["tank farm inventory reconciliation mass balance unaccounted losses meter bias retained product cross transfer","\"bulk liquid stock control\" shared manifold tank reconciliation"],"source_ids":["SRC1","SRC4"],"no_result_note":null},"products_practices_and_standards":{"queries":["API MPMS tank inventory reconciliation loss control standard bulk liquid measurement","site:nist.gov liquid flow meter calibration gravimetric method positive displacement prover"],"source_ids":["SRC1","SRC3","SRC4"],"no_result_note":null},"component_combination":{"queries":["pipeline network leak localization mass balance sectional isolation tracer challenge liquid","\"water balance\" \"additional flow measurements\" leak detection graph partitioning journal","\"mass balance\" \"blind flange\" leak test pipeline section"],"source_ids":["SRC2","SRC3"],"no_result_note":null}},"sources":[{"source_id":"SRC1","title":"Code of practice for storage tank systems containing petroleum and allied products: Part 8—Operation and maintenance","publisher":"Environment and Climate Change Canada","url":"https://www.canada.ca/en/environment-climate-change/services/canadian-environmental-protection-act-registry/publications/code-practice-storage-tank-systems/part-8.html","source_type":"OFFICIAL_GUIDANCE","claims_supported":["Storage-tank inventory control reconciles product and water levels against meter readings, deliveries, shipments, and internal transfers.","Unexplained losses are recognized operational conditions requiring notification at specified thresholds.","Transfer, isolation, compatibility, leak testing, training, and authority requirements constrain physical testing."]},{"source_id":"SRC2","title":"A Graph Partitioning Algorithm for Leak Detection in Water Distribution Networks","publisher":"arXiv","url":"https://arxiv.org/abs/1606.01754","source_type":"PRIMARY_RESEARCH","claims_supported":["Repeated water balances and strategically placed additional flow measurements can recursively narrow a discrepancy to a smaller subnetwork.","The method uses multi-stage divide-and-conquer partitioning to reduce the number of pipes requiring measurement.","Benchmark-network tests reportedly localized leaks while measuring fewer than three percent of pipes on average."]},{"source_id":"SRC3","title":"Fluid Metrology Calibration Services—Liquid Flow","publisher":"National Institute of Standards and Technology","url":"https://www.nist.gov/pml/sensor-science/fluid-metrology/fluid-metrology-calibration-services-liquid-flow","source_type":"OFFICIAL_GUIDANCE","claims_supported":["Liquid-flow meters can be calibrated against volumetric or gravimetric primary standards.","NIST gravimetric facilities use water, meter runs, and weigh tanks with stated expanded uncertainties.","Calibration uncertainty includes primary-standard uncertainty, meter reproducibility, and associated instrumentation uncertainty."]},{"source_id":"SRC4","title":"Accounting for the Unaccounted","publisher":"Endress+Hauser","url":"https://www.us.endress.com/en/endress-hauser-group/Case-studies-application-notes/unmeasured-losses-tanks-vessels","source_type":"FIRST_PARTY_PRODUCT","claims_supported":["Tank and terminal transfer operations can experience financially significant unaccounted losses.","Instrument accuracy and conversion among volume, mass, weight, and currency are identified as contributors to inventory and transfer accounting quality."]}],"problem_evidence":{"status":"PARTLY_SUPPORTED","finding":"The operational problem is visible: official guidance requires reconciliation of tank levels, meters, deliveries, and internal transfers and recognizes unexplained losses, while industry material identifies instrument and conversion errors as causes of financially material unaccounted quantities. Research also confirms that limited instrumentation makes network loss localization difficult. The retained sources do not directly establish the proposal's stronger audit-specific assertion that a shared manifold routinely leaves external auditors unable to distinguish every listed cause.","source_ids":["SRC1","SRC2","SRC4"]},"closest_prior_art":[{"name":"Multi-stage graph partitioning with repeated water balance and on-demand flow measurements","source_ids":["SRC2"],"overlap":"Directly overlaps the central propagation-first structure: place a small number of boundary measurements, apply conservation balances, eliminate closing regions, and recursively narrow the suspect network before conducting more intrusive investigation.","remaining_difference":"The paper addresses water-network leak localization and does not disclose an auditor-witnessed known-mass challenge, gravimetric tank-storage measurements, physical blind-plate separation, or final recomposition against both section runs and an intact-network rerun."},{"name":"Storage-tank inventory control and reconciliation practice","source_ids":["SRC1","SRC4"],"overlap":"Compares tank quantities, meter readings, movements, and internal transfers to identify unexplained gains or losses, with attention to measurement accuracy and common quantity bases.","remaining_difference":"These sources do not describe choosing temporary physical cut points from an initial balance, isolating only the residual branches, and recomposing the resulting section measurements."},{"name":"Gravimetric liquid-flow calibration using water and weigh tanks","source_ids":["SRC3"],"overlap":"Closely matches the known-water, weighing, flow-meter calibration, repeatability, and uncertainty-budget components of the proposed rig.","remaining_difference":"It calibrates meters rather than localizing a discrepancy across a tank-manifold network or generating audit evidence through staged partitioning and recomposition."}],"prior_art_disposition":"SUBSTANTIAL_COLLISION","contrastive_claim_remaining":"In an idle multi-vessel audit test, a known-mass intact-network challenge plus temporary boundary totalizers and direct storage weighing can select only the residual branches for blind-plate isolation, after which isolated-section results will both localize a captured diversion within prespecified uncertainty and recompose to the known challenge mass and a final intact-network run. The audit-specific physical-isolation and recomposition package remains contrastive, but the broader propagation-first cut-set localization concept is already disclosed by SRC2.","contrastive_claim_falsifier":"The remaining claim is falsified if an opened prior-art source or reproducible established practice is found that already combines the same intact known-mass challenge, cut-point reduction, selective physical isolation, and audit-oriented recomposition; operationally, it is also falsified if blinded captured diversions cannot be localized to the affected branch within the prespecified calibration-and-retention budget or if stable section results fail recomposition.","gates":{"adequate_source_search":{"status":"PASS","rationale":"Four search lanes covered the direct proposal, older stock-control terminology, relevant reconciliation and metrology practices, and combinations involving water balance, graph partitioning, extra measurements, and physical isolation. Exactly four opened sources from four publishers were retained, including official and primary sources.","source_ids":["SRC1","SRC2","SRC3","SRC4"]},"supported_problem":{"status":"PASS","rationale":"The sources support unexplained bulk-liquid gains or losses, the need to reconcile multiple physical and transactional measurements, sensitivity to instrumentation and conversion errors, and the difficulty of localizing losses in sparsely instrumented networks. Audit-specific prevalence remains only partly supported.","source_ids":["SRC1","SRC2","SRC4"]},"distinct_testable_claim":{"status":"PASS","rationale":"Although SRC2 substantially collides with propagation-first localization, the narrower combination of a known-mass challenge, gravimetric storage observations, selective physical separation, and audit-oriented recomposition is explicit and falsifiable.","source_ids":["SRC2","SRC3"]},"bounded_next_test":{"status":"PASS","rationale":"One idle three-vessel water-loop sequence with one authorized captured diversion, two cut-point totalizers, predefined uncertainty and retention limits, subsequent isolation, and a recomposition endpoint is bounded and capable of falsifying localization performance.","source_ids":["SRC2","SRC3"]},"no_obvious_safety_or_authority_stop":{"status":"PASS","rationale":"No inherent stop is apparent for the proposed idle, nonhazardous water-loop trial when facility authority controls isolation and connections. Official guidance nevertheless makes compatibility, trained operation, approved leak testing, spill prevention, and authority involvement material prerequisites; extension to operating or hazardous inventory is not authorized by this screen.","source_ids":["SRC1","SRC3"]}},"screen_survival":false,"world_novelty_boundary":"This bounded public-web screen found substantial prior art for the central strategy of using conservation balances and a small number of strategically chosen boundary measurements to recursively localize loss. It did not find the complete audit-specific package of known-mass challenge, selective blind-plate isolation, gravimetric storage measurement, and intact/section recomposition. That residual phrase and combination boundary does not establish world novelty, patentability, market size, expert acceptance, realized value, or freedom to operate."}