{"closest_prior_art":[{"name":"forceplate R package and reproducible raw-force-plate processing workflow","overlap":"Preserves per-trial time-series points and triggers, segments continuous force data into trials, pins processing parameters and software versions, and regenerates processed results from raw inputs.","remaining_difference":"No immutable physical witness medium, mechanically unique event identity, pre/post-block calibration traces, append-only correction lineage, or completeness frontier; the work concerns digital cognitive-balance data rather than landing-impact custody.","source_ids":["SRC1"]},{"name":"Vicon Nexus force-plate acquisition workflow","overlap":"Can acquire and retain raw channel voltages alongside derived force channels, apply thresholds, mark contacts invalid, preserve offline trials, and associate calibration matrices and synchronization settings.","remaining_difference":"Raw-voltage capture is optional, calibration values are editable, and the documentation does not provide append-only custody, punched identifiers, block-bracketing calibration events, immutable exclusions, or deterministic rebuild-and-diff requirements.","source_ids":["SRC2"]},{"name":"ASTM F3109-23 force-platform verification practice","overlap":"Requires spatial and force-range performance verification and traceable reporting for multi-axis platforms used in gait and human-performance research.","remaining_difference":"It characterizes platform performance rather than preserving every experimental event; dynamic behavior is outside scope, and it does not specify continuous trial order, immutable traces, exclusion lineage, or replayable projections.","source_ids":["SRC3"]},{"name":"Historical force-platform and oscillographic biomechanics recording","overlap":"Demonstrates the older practice of recording biomechanical force-platform signals with synchronized physiological and motion records using oscillographic instrumentation.","remaining_difference":"No evidence of a continuous canonical witness roll carrying unique event punches, immediately bracketing calibrations, configuration tabs, append-only disputes, completeness accounting, or replay reconciliation.","source_ids":["SRC4"]}],"contrastive_claim_falsifier":"The contrast disappears if an existing landing-biomechanics system or documented historical practice is found that already makes continuous, non-overwritable raw force traces the canonical record while binding unique event identity, local order, configuration, pre/post-block calibration events, append-only exclusion and correction lineage, and a versioned deterministic rebuild-and-diff protocol. It is also experimentally falsified if blinded replay cannot reproduce declared features within tolerance, induced drift is not exposed, or the recorder aliases or truncates material impact content.","contrastive_claim_remaining":"The remaining testable distinction is the conjunction—not oscillographic force recording, raw-waveform retention, calibration, or reproducible processing separately—of a continuous write-once landing-event substrate with mechanically stable identifiers, calibration events bracketing each block, immutable linked corrections and exclusions, and mandatory regeneration and comparison of every reported projection.","experiment_id":"eoa_inverse_innovation_exp13_second_slot_policy60_20260806","gates":{"adequate_source_search":{"rationale":"The bounded search covered the intervention directly, historical oscillograph and chart-recorder terminology, current acquisition products and force-platform standards, and combinations of raw-waveform retention, calibration, identifiers, exclusions, and reproducible replay. Four opened direct sources span four publishers and include primary research, an official standard, and first-party documentation.","source_ids":["SRC1","SRC2","SRC3","SRC4"],"status":"PASS"},"bounded_next_test":{"rationale":"A predeclared 40-impact bench experiment is finite and measurable. Reference impulses, spatial locations, induced drift/gain faults, duplicate identifiers, sub-threshold contact, and saturation permit comparison of event count, order, force features, fault detection, and duplicate handling. ASTM's exclusion of dynamic characterization makes the proposed dynamic test complementary rather than redundant.","source_ids":["SRC1","SRC2","SRC3"],"status":"PASS"},"distinct_testable_claim":{"rationale":"Prior art separately supplies raw-voltage retention, trial triggers, reproducible processing, force-platform verification, and historical oscillographic recording, but the retained sources do not disclose their proposed conjunction as a calibration-bracketed, physically append-only landing-event record with stable identity and correction lineage.","source_ids":["SRC1","SRC2","SRC3","SRC4"],"status":"PASS"},"no_obvious_safety_or_authority_stop":{"rationale":"The authorized first step is equipment-only bench calibration with known mechanical loads. No athlete testing, diagnosis, participation decision, or training action is authorized. Predetermined halt conditions and quarantine address calibration failure, saturation, alignment loss, duplicate identity, and privacy exposure; later human use would still require laboratory and research oversight.","source_ids":["SRC3"],"status":"PASS"},"supported_problem":{"rationale":"The literature reports that force-plate processing choices can produce inconsistent outcomes and that raw force files commonly require externally supplied subject, block, or trial identity. First-party documentation also makes raw-voltage retention conditional and exposes editable calibration settings. This supports the reconstruction and attribution risk, although the bounded sources do not establish how prevalent overwriting or summary-only retention is in landing laboratories.","source_ids":["SRC1","SRC2","SRC3"],"status":"PASS"}},"prior_art_disposition":"ADJACENT_PRIOR_ART","problem_evidence":{"finding":"The problem is visible but only partly established at the claimed prevalence: force-plate results depend on experimenter-selected filtering, segmentation, baselines, and exclusions; raw files may lack trial identity; raw-channel preservation may be optional; and calibration accuracy materially affects biomechanical outputs. The retained evidence does not quantify how often landing laboratories overwrite waveforms or retain only mutable summaries.","source_ids":["SRC1","SRC2","SRC3"],"status":"PARTLY_SUPPORTED"},"research_id":"eoa_inverse_innovation_exp13_light_screen_20260806","schema_version":1,"screen_id":"E13P110","screen_survival":true,"search_lanes":{"component_combination":{"no_result_note":null,"queries":["raw force plate waveform trial metadata exclusion reproducible biomechanics","force plate software raw data trial database audit trail calibration metadata","force plate drift hysteresis biomechanics measurement error ground reaction force primary study","force platform calibration drift repeated measurements ground reaction force"],"source_ids":["SRC1","SRC2","SRC3"]},"direct_problem_and_intervention":{"no_result_note":null,"queries":["landing biomechanics force plate raw waveform calibration drift trial exclusion reproducibility","force plate oscillograph paper recorder landing impact force time trace","force-time oscillograph jump landing","force plate chart recorder biomechanics"],"source_ids":["SRC1","SRC2","SRC4"]},"products_practices_and_standards":{"no_result_note":null,"queries":["site:astm.org F3109 force platform verification standard","site:kistler.com force plate biomechanics calibration raw data manual","site:amti.biz force platform calibration manual raw signal","force plate nodes Nexus raw voltage calibration matrix invalid contact"],"source_ids":["SRC2","SRC3"]},"synonyms_and_historical_terms":{"no_result_note":null,"queries":["force platform oscillograph biomechanics","force platform UV oscillograph synchronized recording","paper recording force platform ground reaction force","strip chart recorder force platform biomechanics"],"source_ids":["SRC4"]}},"sources":[{"claims_supported":["Force-plate processing techniques and experimenter decisions can change results.","The package preserves all per-trial time-series points and triggers.","Supplying raw data, processing parameters or scripts, and package version supports reproducible regeneration.","Force-plate files may lack intrinsic subject, block, or trial identity."],"publisher":"Springer Nature, Behavior Research Methods","source_id":"SRC1","source_type":"PRIMARY_RESEARCH","title":"forceplate: An R package for processing raw force-plate time-series data","url":"https://d-nb.info/1369901429/34"},{"claims_supported":["Nexus can store raw force-plate voltages with derived force channels for offline trials.","Force contacts can be marked invalid and force thresholds configured.","Calibration matrices, zero levels, correction factors, and synchronization offsets are configurable; raw storage occurs when Show Raw is used."],"publisher":"Vicon Motion Systems","source_id":"SRC2","source_type":"FIRST_PARTY_PRODUCT","title":"Force plate nodes — Nexus 2.16 Documentation","url":"https://vicon-help.atlassian.net/wiki/spaces/Nexus216/pages/11613038"},{"claims_supported":["ASTM F3109-23 specifies performance verification across a force platform's working surface and force range.","It requires traceable performance documentation.","Dynamic characteristics and platforms incorporated into other equipment are outside its scope."],"publisher":"ASTM International","source_id":"SRC3","source_type":"OFFICIAL_STANDARD","title":"F3109-23 Standard Practice for Verification of Multi-Axis Force Measuring Platforms","url":"https://store.astm.org/f3109-23.html"},{"claims_supported":["Historical biomechanics research combined force-platform measurement with synchronized motion and physiological records.","Indexed full-text describes simultaneous force-platform and EMG recording on a UV oscillograph, demonstrating that analog oscillographic force recording is old practice.","The study derived biomechanical force views computationally from recorded signals."],"publisher":"SAGE Publications / Institution of Mechanical Engineers","source_id":"SRC4","source_type":"PRIMARY_RESEARCH","title":"Forces during Squatting and Rising from a Deep Squat","url":"https://journals.sagepub.com/doi/10.1243/EMED_JOUR_1982_011_019_02"}],"world_novelty_boundary":"This bounded public-web screen found adjacent prior art for every major component but no retained source disclosing the full conjunction. That supports only a coarse researchability decision; it does not establish world novelty, patentability, market size, expert acceptance, realized value, or absence of undiscovered products, archives, patents, or non-indexed laboratory practices."}