{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp12_substrate_denial72_20260805","cell_id":"authority_legitimacy_and_consent_foundations__computer_science","arm":"CONSTRAINED_HIGH","candidate_id":"authority_legitimacy_and_consent_foundations__computer_science__CONSTRAINED_HIGH","decision":"PROPOSAL","abstention_reason":null,"proposal":{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp12_substrate_denial72_20260805","cell_id":"authority_legitimacy_and_consent_foundations__computer_science","arm":"CONSTRAINED_HIGH","candidate_id":"authority_legitimacy_and_consent_foundations__computer_science__CONSTRAINED_HIGH","proposal_index":1,"version":0,"title":"Mechanically Exclusive Authority Shuttle for Firmware-Independent Shared-Bus Maintenance","problem":"During recovery or firmware programming of a modular computer backplane, two controller cards can simultaneously energize push-pull drivers on the same maintenance bus because of reset faults, corrupted firmware, or overlapping service connections. Each controller can claim the ability to drive a bus whose resulting writes bind every attached module, but software state alone cannot establish an unambiguous, bounded master while that software is itself being repaired.","actors":["Controller cards capable of driving the shared maintenance bus","Receiver modules whose firmware or configuration can be changed through the bus","The shared backplane and bus-driver power paths","Maintenance personnel responsible for the affected modules","The laboratory electrical-safety owner for the initial test"],"observable_state":"Two or more controller cards present active drive requests or powered output stages at the same time; opposing line voltages, elevated driver current, malformed bus transitions, or inconsistent programmed contents are observable with current probes, an oscilloscope, and read-back checks.","consequence":"Simultaneous drivers can electrically contend, corrupt firmware or configuration writes, stress line drivers, and leave the modules without a trustworthy account of which controller determined the resulting state.","affected_objective":"Maintain an electrically safe, unambiguous, firmware-independent source of binding maintenance-bus writes while keeping that source physically scoped, inspectable, transferable, and revocable.","intervention":"Build a low-voltage backplane fixture whose bus-driver supplies are normally disconnected. A single captive conductive shuttle moves along a rigid rail and can mechanically align with only one controller bay at a time. Alignment closes that bay's driver-supply contactor while the rail geometry holds every other bay open. Leading contacts first apply a current-limited analog test stimulus; a hardwired window comparator permits the main contact to close only if the selected driver's outputs are not stuck and the bus is quiescent. A keyed cam restricts the shuttle to the intended bus segment, and a spring-return timer releases it after a bounded service interval. Each affected module has a removable series continuity link that can inhibit energization, and a common mechanical trip cable immediately opens all contactors. Labels and a sight window expose the selected bay and scope, but the contention-prevention effect comes from the shuttle geometry and electrical power isolation rather than from anyone following the labels.","structural_mapping":[{"archetype_element":"Authority Mandate","domain_realization":"Physical possession and seating of the one captive shuttle supplies the otherwise absent electrical path needed to energize one controller's bus drivers; no title, firmware flag, or asserted role can energize them."},{"archetype_element":"Authority Boundary","domain_realization":"Rail position, keyed cam geometry, normally-open contacts, and the spring-return interval bound authority by controller bay, bus segment, and duration."},{"archetype_element":"Affected Party Recognition","domain_realization":"Every receiver module on the selected segment is represented in a series continuity chain rather than being omitted merely because it does not originate bus traffic."},{"archetype_element":"Consent Scope and Revocation","domain_realization":"A module's removable physical continuity link applies only to its wired segment and can be withdrawn to prevent a new energization; the common trip cable revokes an energization already in progress."},{"archetype_element":"Competence Evidence","domain_realization":"Leading contacts and a current-limited analog window test check the selected driver's basic electrical fitness and bus quiescence before full driver power is connected."},{"archetype_element":"Public Reason Record and Legitimacy Signal","domain_realization":"The shuttle's visible position, keyed scope plate, and mechanically exposed trip state make the current source and limits directly inspectable without a dashboard or software log."},{"archetype_element":"Conflict-of-Interest Guardrail","domain_realization":"One rigid shuttle cannot occupy two bay detents, so a controller cannot authorize itself through firmware or share drive power with a peer."},{"archetype_element":"Accountability and Review Path","domain_realization":"Any affected bay can physically inhibit the circuit before service, and the independent trip cable can remove driver power without cooperation from the selected controller."}],"mechanism_mapping":[{"mechanism_slug":"charter_or_mandate_document","role":"Realized as the shuttle's fixed conductive pattern and keyed scope plate: they materially encode which bay and segment can receive driver power.","counterfactual_removal":"Removing labels or written procedures does not remove exclusive selection. Removing the keyed conductive pattern broadens or destroys the physical mandate and therefore should prevent closure rather than default to unrestricted power."},{"mechanism_slug":"decision_rights_matrix","role":"Realized as mutually exclusive rail-to-contactor wiring: each shuttle position maps to exactly one driver-supply path, while all sibling paths remain open.","counterfactual_removal":"Without this one-position-to-one-contactor topology, the fixture no longer establishes bounded exclusive drive authority and fails its central design claim."},{"mechanism_slug":"consent_capture_and_revocation_workflow","role":"Realized as series hardware continuity links and a de-energizing trip cable, not as stored consent records or a human approval workflow.","counterfactual_removal":"Removing the continuity links eliminates per-module inhibition, but the captive shuttle still physically prevents simultaneous driver energization; thus consent support is separable from the essential exclusion effect."},{"mechanism_slug":"credentialing_and_peer_review_process","role":"Realized as a pre-contact electrical measurement of stuck outputs and bus quiescence using bounded test current and an analog acceptance window.","counterfactual_removal":"Without the test stage, one-at-a-time energization remains, but an electrically defective selected driver can still be connected; competence qualification, not exclusivity, is lost."},{"mechanism_slug":"appeal_or_review_forum","role":"Realized as an independent, normally closed trip path that any affected bay's physical inhibit or the common pull cable can open.","counterfactual_removal":"Without the trip path, the timed shuttle still limits exclusivity and duration, but immediate independent revocation during a bad write is lost."}],"causal_chain":["A reset fault or service overlap causes multiple controllers to request or attempt shared-bus drive.","Their firmware requests cannot directly power the isolated output stages because every driver supply is normally open.","The captive shuttle can spatially align with only one bay, and its body holds every other bay's contact open.","Leading contacts apply a bounded test signal; only an electrically quiescent, non-stuck selected path can close the main contactor.","Electrical energy reaches only the selected controller's driver stage, so competing controllers remain physically unable to source the bus even if their software commands drive.","The keyed cam and spring return constrain the energized segment and duration, while continuity links and the trip cable permit physical refusal or revocation.","Consequently, the binding maintenance write has one observable, bounded physical source without depending on leader-election software, reporting, incentives, or procedural compliance."],"baseline":"A conventional recovery setup in which each controller's firmware controls its own output-enable signal and technicians are expected to connect or activate only one programmer. This baseline can lose mutual exclusion when firmware, reset sequencing, cabling, or human coordination fails.","nearest_rivals":["A permanently hardwired single maintenance master, which provides strong exclusion but cannot transfer control among controller bays without rewiring or a separate bypass.","Open-drain or wired-AND electrical arbitration, which tolerates simultaneous assertion for compatible signaling but may not cover push-pull programming buses or identify one bounded source of a multi-line write.","Independent point-to-point maintenance ports for every module, which avoid the shared authority problem at the cost of additional connectors and wiring.","A redundant software leader-election or hardware-ID arbitration scheme, which can transfer mastery but depends on functioning logic and a correctly interpreted protocol during recovery.","A commercial mechanically interlocked selector switch, which may provide the core one-of-N power routing but not necessarily per-segment revocation, pre-energization driver measurement, or bounded release."],"remaining_contrastive_claim":"Compared with a fixed master, software arbitration, or an ordinary selector, this candidate combines firmware-independent one-of-N electrical exclusion with physically encoded scope, pre-energization electrical qualification, affected-module inhibition, and independent revocation. This is a design-level contrast only; superiority, novelty, demand, and effect magnitude remain unclaimed.","authority_safety":{"decision_authority":"A designated laboratory electrical-safety owner controls whether the fixture may progress beyond isolated bench evaluation; module custodians control only their own removable inhibit links and do not gain authority over unrelated segments.","authorized_first_step":"Construct and test one extra-low-voltage, current-limited two-bay mock-up using dummy loads instead of production controllers or writable devices.","excluded_actions":["Connection to production backplanes or live customer equipment","Use on mains-referenced, high-energy, safety-critical, medical, vehicle-control, or industrial-control buses","Writing real firmware or configuration during the first test","Bypassing current limiting, protective fuses, module inhibit links, the analog pretest, or the common trip","Treating shuttle possession as organizational permission to alter data or equipment"],"halt_rollback":"Cut fixture power and open the common trip immediately if both dummy driver supplies are energized, contact overlap or bounce exceeds the predefined safe dead interval, the comparator admits a deliberately stuck output, current exceeds the bench limit, or any inhibit fails. Return to an unpowered normally-open state and inspect the rail, contacts, and wiring before another trial."},"negative_tests":{"strongest_counterevidence":"Matched fault injection could show that the observed corruption is caused by termination, reflections, ground offset, or power sequencing rather than simultaneous active drivers; alternatively, contact bounce or welded contacts could let the shuttle energize two bays and defeat the proposed causal mechanism.","problem_falsifier":"Across instrumented reset, cable-overlap, and firmware-fault simulations, no condition produces simultaneous powered drivers or contention current, while corruption still occurs with a single verified driver. That result would reject multi-authority contention as the targeted problem.","intervention_falsifier":"The candidate is falsified if any tested shuttle transition, stuck-contact fault, or single component fault powers two dummy driver stages simultaneously; if a withdrawn module link cannot inhibit energization; if the trip cannot remove power within the predefined safe interval; or if the analog pretest admits the deliberately stuck driver at the chosen test bounds.","risks":["Mechanical contact bounce, wear, debris, misalignment, or welding could create overlap or loss of isolation.","The shuttle or keyed parts could be duplicated, modified, or incorrectly assembled, defeating the one-token assumption.","Series consent links can create an excessive veto surface or be mistaken for informed human consent when they only express a physical inhibit state.","The analog pretest can miss intermittent faults or reject healthy drivers because its test conditions differ from active operation.","A spring timer or trip mechanism can fail, leaving a selected driver energized longer than intended.","Visible selection may create false confidence about electrical isolation outside the fixture's explicitly wired scope.","Additional contact resistance or parasitic capacitance can degrade signal or power integrity."]},"next_evidence_step":"On a fused extra-low-voltage two-bay dummy fixture, instrument both driver-supply paths with independent current probes and the shared lines with an oscilloscope. Exercise stationary selection, transitions, deliberate simultaneous software drive requests, a stuck-high and stuck-low dummy output, withdrawn continuity links, trip activation, timer expiry, contact bounce, and one welded-contact simulation. Compare the measured overlap interval, maximum contention current, pretest verdict, and de-energization behavior against predefined component limits; stop after the bounded bench series and do not attach writable or production hardware.","prior_art_status":"UNSEARCHED","diversity_from_prior_proposals":"Not assessed against other proposals because runtime isolation forbids inspecting them. This candidate was derived solely from the supplied archetype and domain card and is distinguished internally by its electromechanical one-of-N power topology rather than a software, policy, or reporting mechanism.","revision_record":{"parent_version":null,"progress_targets_addressed":["Construct one causally defensible computer-science-domain realization under the binding physical-substrate constraint.","Preserve mandate, boundary, affected-party connection, competence, and revocation structure without making software or governance the operative intervention.","State serious rivals, counterevidence, falsifiers, safeguards, and a bounded first evidence step.","Avoid claims of novelty, prevalence, demand, or effect size."],"conceptual_changes":["Initial version; translated contested binding authority into physically exclusive control of a shared maintenance bus.","Separated the essential contention-prevention mechanism from optional consent, visibility, and procedural wrappers."],"operational_changes":["Specified a captive shuttle, normally-open driver supplies, keyed segment selection, analog pre-contact test, continuity inhibits, timed release, and independent trip.","Restricted first evidence to a low-voltage two-bay dummy-load fixture."],"evidence_changes":["Prior art remains unsearched under the closed-book requirement.","Defined measurements and fault injections that can reject both the problem diagnosis and the intervention mechanism."],"claim_changes":["Limited the contrastive claim to inspectable design properties.","Made no claim of novelty, superiority, prevalence, demand, or effect magnitude."]},"substrate_contract":{"primary_allowed_process":"PHYSICAL_MATERIAL","counterfactual_independence":"The essential effect is prevention of concurrent bus drive by spatially exclusive shuttle geometry, normally-open electrical contacts, and physical interruption of driver energy. If all firmware, algorithms, databases, dashboards, reports, incentives, permissions, labels, operator checklists, and enforcement procedures are removed, the captive shuttle still cannot occupy two detents and the backplane still supplies energy to at most one intact contactor path. The optional continuity links, visibility features, and laboratory authorization govern use or add revocation, but their removal does not create the primary one-of-N exclusion effect.","forbidden_channel_audit":"No algorithm selects the master, no sensor feeds downstream analytics, and no human report or approval closes the competing power paths. The window comparator is a local analog measurement interlock with a direct electrical output, not inference software. Labels and custodial procedures are non-causal support wrappers. The words mandate, consent, competence, and review correspond respectively to conductive enablement, removable physical inhibition, direct electrical testing, and independent de-energization; they do not substitute governance vocabulary for the underlying material mechanisms."}}}