{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp12_substrate_denial72_20260805","research_id":"eoa_inverse_innovation_exp12_light_screen_20260805","cell_id":"substrate_lineage_risk_audit__computer_science","search_lanes":{"direct_problem_and_intervention":{"queries":["inherited copper network cabling intermittent faults link passes certification reflectometry analog relay isolation","Ethernet cable certification link negotiates but marginal physical layer return loss NEXT insertion loss"],"source_ids":["SRC1","SRC2"],"no_result_note":null},"synonyms_and_historical_terms":{"queries":["legacy installed twisted pair cabling field tester wiremap TDR return loss attenuation crosstalk","premises cabling qualification certification tone probe time domain reflectometer"],"source_ids":["SRC1","SRC2","SRC3"],"no_result_note":null},"products_practices_and_standards":{"queries":["Fluke DSX CableAnalyzer certification TDR fault location HDTDR HDTDX tone generator identifiers","ANSI TIA 1152-A field test instruments balanced twisted-pair cabling return loss NEXT insertion loss","network patch panel port blocker mechanical lock failed cable certification interlock"],"source_ids":["SRC1","SRC2","SRC3","SRC4"],"no_result_note":null},"component_combination":{"queries":["Ethernet cable tester automatic relay disconnect failed channel patch panel blocker","analog comparator cable tester relay TDR pass fail twisted pair","tone trace label cable route certification TDR analog comparator relay interlock network patch panel"],"source_ids":["SRC1","SRC3","SRC4"],"no_result_note":"No retained source disclosed the complete combination of physical route-lineage tracing, band-relevant channel certification, a fixed analog-only verdict, and automatic relay actuation plus mechanical patch-position denial."}},"sources":[{"source_id":"SRC1","title":"DSX CableAnalyzer Series","publisher":"Fluke Networks","url":"https://www.flukenetworks.com/edocs/datasheet-dsx-8000-cableanalyzer","source_type":"FIRST_PARTY_PRODUCT","claims_supported":["A commercial copper certifier tests installed twisted-pair links to standards-defined limits up to 1000 or 2000 MHz and produces rapid pass/fail results.","The product localizes crosstalk, return-loss, and shield faults graphically using HDTDX/HDTDR diagnostics.","Cable IDs, stored results, and automatic identification of tests needing review overlap channel identification and admission-decision functions."]},{"source_id":"SRC2","title":"TIA issues New Requirements for Field Test Instruments and Measurements for Balanced Twisted-Pair Cabling Standard","publisher":"Telecommunications Industry Association","url":"https://standards.tiaonline.org/tia-issues-new-requirements-field-test-instruments-and-measurements-balanced-twisted-pair-cabling","source_type":"OFFICIAL_GUIDANCE","claims_supported":["ANSI/TIA-1152-A establishes requirements for field instruments used to test balanced twisted-pair premises cabling.","The standard specifies reporting, measurement-accuracy, and tester-performance requirements, confirming that standards-based physical certification is established practice."]},{"source_id":"SRC3","title":"IntelliTone Pro 200 LAN Toner and Probe Series","publisher":"Fluke Networks","url":"https://www.flukenetworks.com/content/datasheet-intellitone-pro-toner-and-probe-series","source_type":"FIRST_PARTY_PRODUCT","claims_supported":["Commercial equipment uses injected tones to locate hidden copper cabling, find bundles, isolate a cable within a bundle, and identify individual pairs.","The product performs end-to-end continuity and common-miswire checks, overlapping the proposal's lineage-tracing and endpoint-verification components.","Tone bleed and cable misidentification within bundles are recognized practical limitations addressed by the product."]},{"source_id":"SRC4","title":"Secure RJ Copper System: SRJET-P Extraction Tool and Port Blocker","publisher":"Leviton Network Solutions","url":"https://leviton.com/products/srjet-p","source_type":"FIRST_PARTY_PRODUCT","claims_supported":["Commercial mechanical blockers prevent connection to unused RJ-45 ports on equipment, patch panels, and jacks.","The blocker requires a matching extraction tool for removal and overlaps the proposal's physical patch-position denial component.","The product is a manually installed access-control device, not a measurement-triggered relay or automatic cable-quality gate."]}],"problem_evidence":{"status":"PARTLY_SUPPORTED","finding":"The physical problem is visible: standards and commercial certifiers expressly address installed twisted-pair measurement accuracy, high-frequency pass/fail certification, and localization of return-loss and crosstalk faults; tracing products also recognize hidden routes, bundles, and identification errors. The retained sources do not directly quantify how often inherited channels negotiate successfully or pass brief packet tests before producing later intermittent corruption or outages, so that operational sequence is only partly supported.","source_ids":["SRC1","SRC2","SRC3"]},"closest_prior_art":[{"name":"Standards-based installed-copper certification with DSX CableAnalyzer","source_ids":["SRC1","SRC2"],"overlap":"Provides standards-based, band-relevant testing, rapid pass/fail decisions, cable IDs, and reflectometric localization of crosstalk, return-loss, and shield faults. It substantially covers the proposal's measurement and channel-admission verdict.","remaining_difference":"The retained sources do not show complete physical-path lineage through every inherited segment, a fixed analog-only comparator architecture, or direct actuation of a normally open relay and mechanical patch blocker."},{"name":"IntelliTone tracing combined with DSX certification and a Secure RJ blocker","source_ids":["SRC1","SRC3","SRC4"],"overlap":"Available products collectively locate and isolate bundled cables, verify endpoints, certify high-frequency physical performance, localize defects, issue pass/fail results, and physically deny an RJ-45 patch position.","remaining_difference":"The disclosed tools remain separate and technician-mediated. No retained source couples the certification result to software-independent automatic relay opening and mechanical denial, and the tracing product does not establish a durable complete-route lineage record by itself."}],"prior_art_disposition":"ADJACENT_PRIOR_ART","contrastive_claim_remaining":"The remaining falsifiable contrast is narrow: on an isolated inherited channel, a unified fixture using fixed analog thresholds can directly and repeatably open a normally open relay and impose mechanical patch-position denial, while physical tracing binds that action to the complete inherited route without software interpretation or operator compliance. Tone tracing, frequency-relevant certification, automatic pass/fail assessment, fault localization, cable identification, and mechanical RJ-45 blockers are individually established and cannot support a novelty claim.","contrastive_claim_falsifier":"The contrast is falsified by an existing system that combines complete-route identification, band-relevant return-loss/attenuation/crosstalk testing, fixed non-software comparators, and measurement-triggered relay plus mechanical port denial. It is experimentally falsified if the proposed gate is not repeatable after reconnection and fixture reversal, is no more predictive of independent hardware bit-error degradation than ordinary certification, or requires software or human compliance to achieve isolation.","gates":{"adequate_source_search":{"status":"PASS","rationale":"The bounded search covered the direct problem, legacy terminology, certification standards and products, tracing practices, mechanical blockers, and combinations involving analog comparators and relays. Exactly four opened sources from three publishers were retained, including official TIA guidance and three first-party product sources.","source_ids":["SRC1","SRC2","SRC3","SRC4"]},"supported_problem":{"status":"PASS","rationale":"The evidence directly establishes installed-cabling certification, measurement-accuracy requirements, high-frequency physical faults, reflectometric localization, and hidden-route identification problems. The claimed progression to intermittent production outages is not directly quantified, yielding PARTLY_SUPPORTED rather than full support.","source_ids":["SRC1","SRC2","SRC3"]},"distinct_testable_claim":{"status":"PASS","rationale":"After excluding established tracing, certification, localization, pass/fail, and port-blocking elements, the measurement-triggered fixed-analog relay and mechanical containment chain remains distinct enough to test and falsify in a bounded comparison.","source_ids":["SRC1","SRC3","SRC4"]},"bounded_next_test":{"status":"PASS","rationale":"A blinded one-panel comparison of a bounded number of inherited and known-new channels, repeated in both fixture orientations and checked against an independent hardware-generated bit-error test, can measure reference stability, repeatability, false decisions, localization agreement, and incremental value over conventional certification.","source_ids":["SRC1","SRC2"]},"no_obvious_safety_or_authority_stop":{"status":"PASS","rationale":"The authorized first step is limited to de-energized, isolated, non-production cabling; production disconnection, live-signal injection, destructive access, and unsafe excitation are excluded. Temporary patching, explicit halt conditions, and joint facilities/network ownership make the test reversible, although the custom fixture still requires ordinary electrical-safety validation before use.","source_ids":["SRC3","SRC4"]}},"screen_survival":true,"world_novelty_boundary":"This coarse public-web search found strong adjacent prior art and does not establish world novelty. Patents, discontinued or proprietary certification interlocks, non-indexed standards material, industrial cable-test fixtures, or other combinations could erase the remaining distinction. The screen also cannot establish patentability, market size, expert acceptance, realized value, or superiority over existing certification practice."}