{"closest_prior_art":[{"name":"Robert Bosch battery with irreversible temperature-sensitive surface coating","overlap":"Discloses parameter-sensitive particles or coating on a battery surface that irreversibly discolor after an out-of-range temperature, retain the signal after temperature returns, spatially visualize localized hotspots, and represent maximum temperature.","remaining_difference":"Does not disclose the proposal's removable module-wide laminate spanning busbar joints, cells, coolant paths, and a chamber-reference tab; multiple calibrated thresholds at each region; same-lot controls; or blinded rival-pattern discrimination.","source_ids":["SRC2"]},{"name":"Thermax multi-level irreversible temperature labels","overlap":"Commercial self-adhesive indicators provide multiple temperature thresholds, one-way color changes, and a permanent peak-temperature record on metal, plastic, glass, or rubber surfaces.","remaining_difference":"The product is not presented as a spatially registered battery-module diagnostic laminate or as a method for discriminating joint, cell, coolant, chamber, and instrumentation explanations.","source_ids":["SRC3"]},{"name":"Model-based battery thermal-fault localization with optimized sensor placement","overlap":"Demonstrates that large-format battery temperature fields are spatially distributed, that limited sensor placement constrains fault detectability and isolation, and that intermittent thermal faults can be experimentally localized when sufficient observations are available.","remaining_difference":"Uses electronic sensors, models, and filters rather than a passive post-cooldown material record, and does not cover module-level busbars, coolant paths, or environmental-reference discrimination.","source_ids":["SRC1"]}],"contrastive_claim_falsifier":"The narrowed claim is falsified if matched-duration, equal-severity surrogate pulses produce no reliable transitions, if joint-, cell-, coolant-, and chamber-origin exposures yield statistically indistinguishable registered patterns under blinded review, or if the laminate materially changes the measured thermal path or its lot controls drift.","contrastive_claim_remaining":"Prior art already covers irreversible battery-surface hotspot memory and commercial multi-threshold labels. What remains testable is whether one removable, same-lot, low-perturbation laminate registered across busbar, cell, coolant, and chamber-reference regions can generate repeatable, mutually distinguishable post-cooldown threshold patterns for short transients and thereby outperform the nearest live heat-origin rival without asserting event timing or initiating defect.","experiment_id":"eoa_inverse_innovation_exp13_second_slot_policy60_20260806","gates":{"adequate_source_search":{"rationale":"Four lanes covered the coined intervention, battery hotspot and thermal-fault terminology, irreversible labels and temperature-indicating coatings, battery practices and guidance, and component combinations. Four opened direct sources span four publishers and include primary research, first-party product information, and official guidance. No exact coined-name result was treated as novelty evidence.","source_ids":["SRC1","SRC2","SRC3","SRC4"],"status":"PASS"},"bounded_next_test":{"rationale":"Fresh-laminate, known-source exposures on a non-energized representative surrogate are bounded, repeatable, blind-reviewable, and directly test response time, control validity, pattern separability, and perturbation before any energized deployment.","source_ids":["SRC1","SRC2","SRC3","SRC4"],"status":"PASS"},"distinct_testable_claim":{"rationale":"Although the broad material-memory concept collides with prior art, the narrower combination of module-wide registration, several candidate-specific regions, a chamber reference, calibrated threshold nesting, and blinded pattern discrimination has a measurable pass/fail outcome not disclosed by the retained sources.","source_ids":["SRC1","SRC2","SRC3"],"status":"PASS"},"no_obvious_safety_or_authority_stop":{"rationale":"The authorized first step is restricted to a non-energized surrogate with guarded heaters and existing limits. NASA guidance reinforces that energized, qualification, thermal-vacuum, changed-lot, and flight use remain subject to formal approval, characterization, and safety testing; those later controls do not stop the bounded surrogate test.","source_ids":["SRC4"],"status":"PASS"},"supported_problem":{"rationale":"Primary research reports two-dimensional battery temperature variation, non-trivial sensor placement, loss of isolation when sensors are fewer than potential hotspots, and experimental intermittent thermal faults. This supports the sparse-observation localization problem, though not the proposal's exact shutdown-and-cooldown scenario or every listed rival.","source_ids":["SRC1"],"status":"PASS"}},"prior_art_disposition":"SUBSTANTIAL_COLLISION","problem_evidence":{"finding":"The general problem is visible: battery thermal anomalies are spatial, sensor placement governs detectability and isolability, and sparse sensing can leave hotspot location unresolved. Evidence for the exact module-level transient disappearing after shutdown is indirect.","source_ids":["SRC1"],"status":"PARTLY_SUPPORTED"},"research_id":"eoa_inverse_innovation_exp13_light_screen_20260806","schema_version":1,"screen_id":"E13P041","screen_survival":false,"search_lanes":{"component_combination":{"no_result_note":null,"queries":["battery module coolant maldistribution temperature sensors sparse hotspot localization study","lithium ion battery busbar contact resistance local overheating experimental","patent irreversible temperature indicator array spatial temperature distribution hotspot"],"source_ids":["SRC1","SRC2"]},"direct_problem_and_intervention":{"no_result_note":"No retained source used the exact coined phrase \"Passive Thermal-Provenance Witness Laminate\"; closely matching functions were found under irreversible coatings, labels, and thermal-fault localization.","queries":["battery module hotspot irreversible temperature indicator label busbar thermal history","\"irreversible temperature\" \"battery\" label hotspot","irreversible temperature labels battery thermal runaway hotspot detection"],"source_ids":["SRC1","SRC2","SRC3"]},"products_practices_and_standards":{"no_result_note":null,"queries":["standard battery module thermocouple infrared hotspot test busbar joint thermal vacuum","site:nasa.gov lithium ion battery testing safety approval temperature limits instrumentation test article","site:sae.org lithium ion battery testing safety standard thermal propagation","\"multi-level\" irreversible temperature label electronics hotspot mapping"],"source_ids":["SRC3","SRC4"]},"synonyms_and_historical_terms":{"no_result_note":null,"queries":["\"temperature indicating paint\" hotspot electrical connection busbar","phase change microcapsule irreversible time temperature indicator spatial thermal mapping","multi-point irreversible temperature sticker permanent peak temperature record"],"source_ids":["SRC2","SRC3"]}},"sources":[{"claims_supported":["Large-format battery temperature fields are spatially distributed, making sensor placement and thermal-fault isolation non-trivial.","When available sensors are fewer than potential hotspot locations, localization is constrained.","The study experimentally evaluates detection and isolation of intermittent thermal faults."],"publisher":"Cornell University arXiv","source_id":"SRC1","source_type":"PRIMARY_RESEARCH","title":"Thermal Fault Detection and Localization Framework for Large Format Batteries","url":"https://arxiv.org/abs/2103.14229"},{"claims_supported":["A battery may carry parameter-sensitive particles or coating that irreversibly discolor when temperature leaves an allowable range.","The optical signal persists after the parameter returns to the allowable range.","The disclosure describes spatially resolved visualization of localized battery hotspots and maximum generated temperature."],"publisher":"Japan Patent Office via Google Patents; original assignee Robert Bosch GmbH","source_id":"SRC2","source_type":"OTHER","title":"JP2014063737A — Method and device for monitoring at least one parameter of battery","url":"https://patents.google.com/patent/JP2014063737A/en"},{"claims_supported":["Commercial self-adhesive temperature labels offer multiple thresholds.","They use a single-way color change to retain a permanent inspection record.","The stated operating range begins at 29 degrees Celsius and the labels support common engineering surfaces."],"publisher":"Markal / LACO Industries","source_id":"SRC3","source_type":"FIRST_PARTY_PRODUCT","title":"Thermax Temperature Indicating Labels — 10 Level Strip","url":"https://markal.com/products/thermax-level-strip-indicators-low-temp"},{"claims_supported":["NASA battery work uses formal approval, qualification, environmental testing, and lot-control processes.","Battery qualification includes extreme-temperature, vacuum, vibration, functional-baseline, and application-specific safety evaluation.","Worst-case thermal events and their initiation location and environment require analysis and test before flight use."],"publisher":"NASA","source_id":"SRC4","source_type":"OFFICIAL_GUIDANCE","title":"Battery Safety","url":"https://tdglobal.ksc.nasa.gov/servlet/sm.web.Fetch/Battery_Safety_Jeevarajan.pdf?FixForIE=Battery_Safety_Jeevarajan.pdf&did=940316&rhid=1000&type=released"}],"world_novelty_boundary":"This bounded four-source screen establishes neither world novelty nor patentability. It found a substantial functional collision: irreversible, spatially resolved battery-surface temperature memory was disclosed by Bosch, while multi-level permanent adhesive temperature labels are established products. It did not establish whether the narrower module-wide, removable, reference-controlled rival-discrimination arrangement appears elsewhere, whether it is non-obvious, commercially valuable, accepted by experts, or effective on real short-duration module events."}