{"closest_prior_art":[{"name":"NIST portable Raman plus DART-MS seized-drug study","overlap":"Validated Raman against drugs, diluents, binary mixtures and packaging, then combined it with a physically distinct mass-spectrometric method; observed method- and specimen-dependent errors.","remaining_difference":"It did not implement a sealed three-way split preserving an independent retest portion, compare every portion with the existing reagent method, or connect failure envelopes to legal-reliance clocks and governed cutover decisions.","source_ids":["SRC1"]},{"name":"SWGDRUG seized-drug analysis recommendations, Version 7.1","overlap":"Requires validated multiple uncorrelated techniques; distinguishes Raman, infrared and mass spectrometry from color tests; addresses sampling, sealed evidence, contamination controls, reference checks, proficiency testing, records and uncertainty.","remaining_difference":"It does not prescribe the proposal's unified reagent–optical–confirmatory split ladder, independent retained portion, specimen-class transition experiment or review of reliance across charging, plea, trial and retest stages.","source_ids":["SRC2"]},{"name":"NIJ-sponsored LVMPD portable-Raman field-testing program","overlap":"Compared subjective color testing with portable Raman through laboratory and field evaluation, Raman-microscope comparison and randomized retesting, while examining safety, false positives and operational deployment.","remaining_difference":"Raman remained presumptive, performance was limited to selected drugs, and the program lacked a confirmatory third arm, preserved independent split and predeclared legal cutover or sunset gates.","source_ids":["SRC3"]}],"contrastive_claim_falsifier":"Falsify the claim if blinded testing shows no material improvement in discrimination, uncertainty characterization, contamination detection or retained retest quantity, or if splitting causes equal or greater disagreement, exposure, delay or evidence loss and specimen-class results never change the appropriate transition choice.","contrastive_claim_remaining":"Compared with continued presumptive testing followed by inconsistent confirmation and with immediate universal Raman cutover, a pre-case sealed three-way reagent–optical–confirmatory ladder with an independently retained portion will reveal specimen-class-specific failure envelopes and support safer predeclared staging or stop decisions.","experiment_id":"eoa_inverse_innovation_exp13_second_slot_policy60_20260806","gates":{"adequate_source_search":{"rationale":"Four search lanes covered the exact proposal phrase, broader intervention terms, older terms such as spot and presumptive tests, named handheld products, standards, and combinations involving splitting, Raman, confirmation, mixtures, packaging and independent retesting. Four opened sources span four publishers and include primary and official material; the exact-phrase miss was not treated as novelty evidence.","source_ids":["SRC1","SRC2","SRC3","SRC4"],"status":"PASS"},"bounded_next_test":{"rationale":"The proposed six-week study is finite, uses 120 manufactured non-case specimens, predeclared challenge classes and observable outcomes, and changes no live-case rule. Existing studies and recommendations demonstrate that reference-mixture validation, method comparison, proficiency materials and predefined performance assessment are practicable.","source_ids":["SRC1","SRC2","SRC3"],"status":"PASS"},"distinct_testable_claim":{"rationale":"Raman-plus-confirmation validation and multi-method standards already exist, but the proposal makes a separable prospective claim about a sealed three-way split, retained independent portion and specimen-class-specific transition decision. Agreement, ambiguity, contamination, retained quantity, exposure, turnaround and retest outcomes can falsify it.","source_ids":["SRC1","SRC2","SRC3"],"status":"PASS"},"no_obvious_safety_or_authority_stop":{"rationale":"The first test is confined to manufactured proficiency materials under laboratory-director control, containment and existing analytical safety procedures, with no arrest, charging or evidentiary effect. Nondestructive through-container Raman can reduce direct contact, while the proposal supplies explicit drift, contamination, containment, seal and retained-quantity stop rules.","source_ids":["SRC1","SRC2","SRC3"],"status":"PASS"},"supported_problem":{"rationale":"The sources show that color tests can be subjective or inconclusive, handheld Raman has mixture- and packaging-dependent limitations rather than categorical certainty, and consequential reliance on presumptive field results has occurred before laboratory contradiction.","source_ids":["SRC1","SRC3","SRC4"],"status":"PASS"}},"prior_art_disposition":"ADJACENT_PRIOR_ART","problem_evidence":{"finding":"The problem is visible: presumptive reagent results can be unreliable, instrumental performance varies by specimen conditions, and legal dispositions may precede or disregard contradictory confirmation.","source_ids":["SRC1","SRC3","SRC4"],"status":"SUPPORTED"},"research_id":"eoa_inverse_innovation_exp13_light_screen_20260806","schema_version":1,"screen_id":"E13P053","screen_survival":true,"search_lanes":{"component_combination":{"no_result_note":null,"queries":["sealed split sample Raman GC-MS seized drugs independent retest","forensic drug evidence preserve sufficient sample independent retesting standard","SWGDRUG recommendations sampling evidence preserve retest controlled substances spectroscopy chromatography"],"source_ids":["SRC1","SRC2"]},"direct_problem_and_intervention":{"no_result_note":"The exact proposal phrase produced no literal match; broader searches returned adjacent Raman, confirmatory-analysis and field-test validation work, so the phrase miss was not treated as novelty evidence.","queries":["\"split-specimen physical reference ladder\" controlled-substance evidence","split specimen controlled substance evidence Raman spectroscopy confirmatory GC-MS preserved sample retest","drug evidence color test presumptive false positive Raman confirmatory laboratory"],"source_ids":["SRC1","SRC3","SRC4"]},"products_practices_and_standards":{"no_result_note":null,"queries":["TruNarc TacticID field drug test GC-MS validation mixtures packaging","handheld Raman drug identification validation mixtures packaging proficiency specimens","SWGDRUG recommendations sampling evidence preserve retest controlled substances spectroscopy chromatography"],"source_ids":["SRC1","SRC2","SRC3"]},"synonyms_and_historical_terms":{"no_result_note":null,"queries":["spot tests narcotics portable Raman confirmatory analysis","presumptive field testing portable Raman color test kits controlled substances","common roadside drug test false positives laboratory confirmation guilty pleas"],"source_ids":["SRC3","SRC4"]}},"sources":[{"claims_supported":["Color tests can be inconclusive for impure materials; Raman was tested on drugs, diluents, mixtures and packaging, and combining Raman with DART-MS improved identification while retaining nonzero error."],"publisher":"National Institute of Standards and Technology","source_id":"SRC1","source_type":"PRIMARY_RESEARCH","title":"Screening and Confirmation of Seized Drugs Utilizing Portable Raman Spectroscopy (TacticID) and Direct Analysis in Real Time-Mass Spectrometry (DART-MS)","url":"https://www.nist.gov/publications/screening-and-confirmation-seized-drugs-utilizing-portable-raman-spectroscopy-tacticid"},{"claims_supported":["Documents established recommendations for validated uncorrelated methods, sampling, sealed evidence, contamination prevention, controls, proficiency testing, method validation, retained analytical records and uncertainty reporting."],"publisher":"Scientific Working Group for the Analysis of Seized Drugs","source_id":"SRC2","source_type":"OFFICIAL_GUIDANCE","title":"SWGDRUG Recommendations Version 7.1 (archived)","url":"https://www.swgdrug.org/Documents/SWGDRUG%20Recommendations%20Version%207-1.htm"},{"claims_supported":["An NIJ-sponsored program evaluated portable Raman as a safer presumptive alternative to subjective color kits through laboratory, field and random-retest comparisons, while identifying residual limitations."],"publisher":"U.S. Department of Justice, Office of Justice Programs","source_id":"SRC3","source_type":"PRIMARY_RESEARCH","title":"Presumptive Field Testing Using Portable Raman Spectroscopy","url":"https://www.ojp.gov/library/publications/presumptive-field-testing-using-portable-raman-spectroscopy"},{"claims_supported":["Reported Houston plea convictions where field-test-positive evidence was later found by laboratory analysis to contain no controlled substance."],"publisher":"ProPublica","source_id":"SRC4","source_type":"OTHER","title":"Busted","url":"https://www.propublica.org/article/common-roadside-drug-test-routinely-produces-false-positives"}],"world_novelty_boundary":"This bounded public-web screen found substantial adjacent technical practice but no opened source containing the complete sealed split-specimen, optical-and-confirmatory ladder plus preserved independent retest and legal-transition-clock governance. That result does not establish world novelty, patentability, market size, expert acceptance or realized value; unindexed laboratory procedures, newer standards, patents and jurisdiction-specific rules may contain closer matches."}