{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp12_substrate_denial72_20260805","research_id":"eoa_inverse_innovation_exp12_light_screen_20260805","cell_id":"synchronized_release_dampening__computer_science","search_lanes":{"direct_problem_and_intervention":{"queries":["data center power restoration simultaneous inrush current rack servers sequential startup power sequencing"],"source_ids":["SRC1","SRC2","SRC3"],"no_result_note":null},"synonyms_and_historical_terms":{"queries":["electromechanical cam sequencer contactor sequential power restoration motor driven cam switch","patent cam timer sequential energization contactors power sequencer inrush"],"source_ids":["SRC3","SRC4"],"no_result_note":null},"products_practices_and_standards":{"queries":["rack power sequencer staged startup inrush current PDU UPS product","standard data center staggered restart inrush current power supplies UPS generator"],"source_ids":["SRC1","SRC2"],"no_result_note":null},"component_combination":{"queries":["patent motor driven cam sequencer electrical contactors sequential switching power loads","site:patents.google.com camshaft contactor sequence power loads motor driven"],"source_ids":["SRC3","SRC4"],"no_result_note":null}},"sources":[{"source_id":"SRC1","title":"Powering the Data Center Efficiently","publisher":"Hewlett-Packard Development Company","url":"https://h10032.www1.hp.com/ctg/Manual/c00099859.pdf","source_type":"OFFICIAL_GUIDANCE","claims_supported":["Solid-state server power supplies can draw startup current several times their operating current.","Inrush from individual servers is additive across multi-server installations and can trip fuses or breakers.","HP recommends applying restored power initially to only part of a rack and then energizing the remainder."]},{"source_id":"SRC2","title":"PowerUp sequence","publisher":"NETIO products a.s.","url":"https://www.netio-products.com/en/glossary/powerup-sequence","source_type":"FIRST_PARTY_PRODUCT","claims_supported":["NETIO PDUs delay outlet or group activation after power restoration to reduce inrush and breaker overload.","The product practice includes group sequencing, individual delays, priority ordering, and automatic restoration of prior outlet state.","Default sequential outlet delays provide a commercially implemented version of the proposal's core dispersion policy."]},{"source_id":"SRC3","title":"US6766222B1 — Power sequencer control circuit","publisher":"United States Patent and Trademark Office record via Google Patents","url":"https://patents.google.com/patent/US6766222B1/en","source_type":"OTHER","claims_supported":["The patent describes fixed-interval consecutive relay actuation for multiple loads to reduce peak startup current.","It expressly identifies simultaneous restart after an outage as producing a large combined startup current.","Its example is a test rack with 16 identical electrical loads, and sequencing begins when the system is activated."]},{"source_id":"SRC4","title":"CA2204269A1 — Motorized sequencing switch assembly","publisher":"Canadian Intellectual Property Office record via Google Patents","url":"https://patents.google.com/patent/CA2204269A1/en","source_type":"OTHER","claims_supported":["Motor-driven rotary cams sequentially actuating multiple electrical switches were established electromechanical technology.","Earlier programmer timers used timed cam advancement and one revolution as a complete program cycle.","The disclosed assembly combines a motor, rotary cam tracks, followers, and individual opening or closing of switch contacts."]}],"problem_evidence":{"status":"SUPPORTED","finding":"The proposed failure mechanism is directly visible in vendor guidance and prior art: server startup inrush is additive, simultaneous post-outage restart can create a large combined current and trip protection, and staged restoration is an existing mitigation.","source_ids":["SRC1","SRC2","SRC3"]},"closest_prior_art":[{"name":"US6766222B1 power sequencer control circuit","source_ids":["SRC3"],"overlap":"Automatically starts on system activation, isolates multiple rack loads with relays, closes them at prescribed intervals, and explicitly prevents combined post-outage startup inrush.","remaining_difference":"It uses clocked electronic logic rather than a spring-return synchronous-motor cam, and it does not specify measured pulse-settling-based lobe spacing."},{"name":"NETIO PDU PowerUp sequence","source_ids":["SRC2"],"overlap":"After power restoration, outlets or cohorts are automatically energized in a selected order with individual delays to prevent overlapping inrush and breaker overload; critical devices can receive priority.","remaining_difference":"The timing is implemented by a configurable network-capable PDU rather than by passive cam geometry and contactor motion."},{"name":"Motorized rotary-cam sequencing switches","source_ids":["SRC4"],"overlap":"A motor advances a rotary cam through a bounded program cycle and mechanically actuates multiple electrical switches in sequence, establishing the proposed physical sequencing components.","remaining_difference":"The cited device concerns appliance-function switching under electronic motor control, not spring-return recovery of rack branches or mitigation of post-outage capacitor-charging overlap."},{"name":"Orderly partial-rack startup practice","source_ids":["SRC1"],"overlap":"Power is applied to only part of a rack first and to the remaining load afterward specifically to mitigate aggregate server inrush.","remaining_difference":"The guidance describes procedural or breaker-based staging rather than automatic spring-return cam actuation."}],"prior_art_disposition":"ESTABLISHED_PRACTICE","contrastive_claim_remaining":"In an isolated four-load bench test, a spring-return synchronous-motor cam can self-home on supply loss and, solely from restored power and fixed lobe geometry, close every contactor within one revolution at intervals exceeding measured inrush settling time, producing less pulse overlap and fewer protection operations than simultaneous closure without executable control logic.","contrastive_claim_falsifier":"The claim is falsified if the mechanism fails to home or preserve branch order, fails to separate verified closure edges by the specified settling interval, omits a cohort, or produces no reduction in aggregate overlap or protection operation under matched tests; failure from one cohort alone or from steady overload would instead falsify the proposed causal diagnosis.","gates":{"adequate_source_search":{"status":"PASS","rationale":"Four search lanes covered the direct rack-restoration problem, older electromechanical terminology, commercial PDU practices, and component combinations. Exactly four opened sources from multiple publishers include two first-party or official sources and two historical patent records.","source_ids":["SRC1","SRC2","SRC3","SRC4"]},"supported_problem":{"status":"PASS","rationale":"Official vendor guidance and prior art directly document additive server inrush, post-outage simultaneous restart, breaker trips, and staged energization as mitigation.","source_ids":["SRC1","SRC2","SRC3"]},"distinct_testable_claim":{"status":"PASS","rationale":"Although the timing intervention is established, the narrower substrate claim—automatic spring-return cam homing and fixed-geometry sequencing without executable logic—remains operationally distinct and falsifiable.","source_ids":["SRC2","SRC3","SRC4"]},"bounded_next_test":{"status":"PASS","rationale":"The proposed low-voltage, current-limited four-load comparison directly measures closure timing, aggregate current, bus voltage, protection operation, reset, and completion while varying only simultaneous versus cam-staged closure.","source_ids":["SRC1","SRC3"]},"no_obvious_safety_or_authority_stop":{"status":"PASS","rationale":"The first test excludes production and building circuits, uses low-voltage current-limited dummy loads, rated guarded components, discharge provisions, and a de-energizing stop under qualified electrical authority. No cited source creates an obvious prohibition, although normal component and overcurrent ratings remain mandatory.","source_ids":["SRC1"]}},"screen_survival":false,"world_novelty_boundary":"This bounded screen finds the core intervention—staging rack-load reconnection after restoration to reduce additive inrush—to be established practice, with historical electronic sequencers and motor-driven cam switching covering the principal functional and component ideas. It does not establish world novelty, patentability, freedom to operate, prevalence, market size, expert acceptance, reliability, or realized value; uncatalogued prior art may further narrow or eliminate the remaining electromechanical implementation claim."}