{"closest_prior_art":[{"name":"Huisman Wire Rope Monitoring System","overlap":"Registers actual equipment movements and loadings, uses sensor measurements in a rope-fatigue model, estimates consumed and remaining rope life, and supports planned replacement.","remaining_difference":"The public description does not disclose a unified inspection ledger in which typed overload, shock, reeving, inspection, and replacement events close or reset continuous fatigue segments under explicit boundary and uncertainty rules, nor a replay audit against baseline decisions.","source_ids":["SRC3"]},{"name":"R&M HoistMonitor Enclave","overlap":"Combines real-time hoist-condition information, overload and shock-load functions, a time-stamped alarm/fault log, service warnings, and calculation of designed-working-period consumption.","remaining_difference":"It is described at hoist level rather than as a rope-specific event–exposure model, and it does not state that logged events alter continuous fatigue state through declared merge/reset rules or that transition classifications are validated against raw traces and inspection decisions.","source_ids":["SRC4"]},{"name":"ISO 12482 crane design-working-period monitoring","overlap":"Monitors actual crane duty over long-term operation, compares it with classified design duty, predicts approach to design limits, and focuses special inspections.","remaining_difference":"It addresses crane design duty and inspection targeting, not the proposed time-resolved rope ledger, event-boundary audit, or comparison of hybrid and baseline inspection-review classifications.","source_ids":["SRC1"]}],"contrastive_claim_falsifier":"The contrastive claim is falsified if the predeclared 20-shift replay misses any known mandatory-review event, produces non-reproducible event boundaries, yields no reduction in representation-caused reviewer disagreements, or shows that existing monitoring already provides the same rope-specific continuous segments, typed state transitions, merge/reset rules, uncertainty display, and decision comparison.","contrastive_claim_remaining":"For rope-inspection review, a predeclared hybrid ledger may add a distinct, testable capability by making overloads, shocks, reeving changes, inspections, and replacement explicit state transitions within a time-resolved rope-fatigue history, with reproducible boundary rules and side-by-side decision auditing; none of the retained sources publicly documents that complete combination.","experiment_id":"eoa_inverse_innovation_exp13_second_slot_policy60_20260806","gates":{"adequate_source_search":{"rationale":"Four search lanes covered the direct proposal, fatigue/load-history terminology, current monitoring products and standards, and combinations of sensor-based fatigue estimation with alarm/event logging. Four opened sources represent four publishers and include an international standard, a regulator, and two first-party products.","source_ids":["SRC1","SRC2","SRC3","SRC4"],"status":"PASS"},"bounded_next_test":{"rationale":"A retrospective replay of 20 consecutive instrumented shifts is limited to one crane and existing records, predeclares cadence and boundary rules, uses blinded reviewers, reports event and decision errors, and does not operationalize the model. The available monitoring products establish that the required duty, sensor, and event data are plausible, while the regulatory source supplies an external inspection constraint.","source_ids":["SRC2","SRC3","SRC4"],"status":"PASS"},"distinct_testable_claim":{"rationale":"The remaining claim is narrower than sensor-based rope-life estimation, designed-working-period monitoring, or timestamped alarm logging: it requires typed events to alter a continuous rope history under explicit, auditable transition rules and predicts fewer representation-caused decision disagreements. The replay has observable rejection criteria.","source_ids":["SRC1","SRC3","SRC4"],"status":"PASS"},"no_obvious_safety_or_authority_stop":{"rationale":"The first step is non-controlling and expressly cannot extend inspection intervals, override alarms, or change operating limits. This preserves OSHA-required rope inspections, manufacturer-based preventive maintenance, correction of unsafe conditions, and designated-person authority. Huisman likewise states that its monitoring system does not replace ISO 4309 visual inspection.","source_ids":["SRC2","SRC3"],"status":"PASS"},"supported_problem":{"rationale":"The sources make the representation problem visible: established practice monitors actual duty against classified design duty; a rope product estimates fatigue from measured movements and loads; and a hoist product separately supplies designed-working-period calculation and timestamped alarm/fault logging. They do not directly demonstrate that smoothing or separation has already caused a missed rope-inspection decision, so support is partial rather than conclusive.","source_ids":["SRC1","SRC3","SRC4"],"status":"PASS"}},"prior_art_disposition":"ADJACENT_PRIOR_ART","problem_evidence":{"finding":"Actual-duty monitoring, sensor-based rope-fatigue estimation, overload/shock handling, and timestamped event logs are established and decision-relevant. The retained public descriptions do not show whether short events are incorporated into subsequent rope-fatigue state, how ambiguous excursions are merged, or whether representation choices change inspection decisions. The proposed problem is therefore visible but its claimed decision impact remains unverified.","source_ids":["SRC1","SRC2","SRC3","SRC4"],"status":"PARTLY_SUPPORTED"},"research_id":"eoa_inverse_innovation_exp13_light_screen_20260806","schema_version":1,"screen_id":"E13P074","screen_survival":true,"search_lanes":{"component_combination":{"no_result_note":null,"queries":["hybrid discrete continuous model crane wire rope fatigue events","crane condition monitoring actual load spectrum overload events remaining service life hoist first party","wire rope fatigue monitoring overload load history crane"],"source_ids":["SRC3","SRC4"]},"direct_problem_and_intervention":{"no_result_note":null,"queries":["overhead crane wire rope fatigue monitoring load spectrum overload shock event condition monitoring","crane wire rope continuous monitoring tension sensor overload event logging fatigue"],"source_ids":["SRC3","SRC4"]},"products_practices_and_standards":{"no_result_note":null,"queries":["ISO 12482 crane monitoring actual duty load spectrum remaining design working period official","site:osha.gov overhead crane wire rope inspection replacement 1910.179","hoist monitoring time stamped alarm fault log designed working period overload"],"source_ids":["SRC1","SRC2","SRC3","SRC4"]},"synonyms_and_historical_terms":{"no_result_note":null,"queries":["hoist rope lifetime calculation load cycles FEM ISO inspection wire rope crane","wire rope fatigue damage monitoring load history rainflow crane hoist research","overhead crane black box event recorder load spectrum operating data fatigue remaining life"],"source_ids":["SRC1","SRC3","SRC4"]}},"sources":[{"claims_supported":["ISO 12482 specifies monitoring of actual crane duty during long-term operation and comparison with classified design duty.","Approaching design limits increases hazard probability, and use monitoring can focus special inspections."],"publisher":"International Organization for Standardization","source_id":"SRC1","source_type":"OFFICIAL_STANDARD","title":"ISO 12482:2014 — Cranes — Monitoring for crane design working period","url":"https://www.iso.org/standard/57481.html"},{"claims_supported":["Overhead-crane running ropes require at least monthly thorough inspection and certification records.","Preventive maintenance must follow manufacturer recommendations; unsafe conditions must be corrected by designated personnel.","Operators must avoid sudden acceleration or deceleration, and rated-load and authority constraints remain applicable."],"publisher":"Occupational Safety and Health Administration","source_id":"SRC2","source_type":"OFFICIAL_GUIDANCE","title":"29 CFR 1910.179 — Overhead and gantry cranes","url":"https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.179"},{"claims_supported":["The first-party system records relevant lifting-equipment movements and loadings.","A sensor-informed fatigue model estimates consumed and remaining rope lifetime for planned maintenance and replacement.","The system expressly does not replace visual inspection under ISO 4309."],"publisher":"Huisman Equipment B.V.","source_id":"SRC3","source_type":"FIRST_PARTY_PRODUCT","title":"Wire Rope Monitoring System","url":"https://www.huismanequipment.com/en/products/rentals-retrofits/wire_rope_monitoring_systems"},{"claims_supported":["The first-party hoist monitor provides real-time condition and usage information with overload protection and shock-load prevention.","It maintains a time-stamped alarm/fault log and calculates designed-working-period percentage.","Its public feature list does not describe rope-specific event-boundary, merge, or replacement-reset logic."],"publisher":"R&M Materials Handling, Inc.","source_id":"SRC4","source_type":"FIRST_PARTY_PRODUCT","title":"Real-Time Hoist Safety Monitoring Systems — HoistMonitor Enclave","url":"https://rmhoist.com/products/crane-components/hoist-monitoring"}],"world_novelty_boundary":"This bounded public-web screen found adjacent standards and products, not proof of world novelty. It cannot establish patentability, market size, expert acceptance, realized safety or maintenance value, or absence of closer confidential, patented, unpublished, paywalled, or differently described systems."}