Verification-Feedback Inference Function Evolution

Mechanism

Each operating cycle begins with admission of the active operator-intent envelope, a credentialed object that specifies the operational goal, the permissible action set, the resource budget allocated to the cycle, the predicted-behavior profile against which the agent will be measured, and the temporal commitment defining when the verification verdict will be produced. The envelope is signed by the issuing operator authority using its attested signing key; the signature cryptographically binds the envelope to a specific operating unit identifier, a specific time window expressed as an opening timestamp and a maximum duration, and a specific authorization scope expressed as the conjunction of permitted actions and forbidden actions. The signed envelope is the predicate against which all subsequent agent behavior within the cycle is verified, and the signature is verified at admission to ensure that no envelope can take effect unless its issuing authority is recognized by the operating unit's policy admission framework.

During the cycle, the agent emits a continuous stream of behavior-bearing observations: action selections taken at each decision point, resource expenditures debited against the envelope's budget, state transitions of the agent's internal control variables, and external effects measured by instrumentation observing the agent's interaction with its operating environment. Each observation is timestamped against a monotonic cycle clock and signed by the agent's identity attestation, producing an evidentiary record that the verification subsystem and any downstream auditor can examine in tamper-evident form. The verification subsystem reads the observations as they accrue and compares them against the predicted-behavior profile derived from the envelope. The comparison is not a single equality check but a multi-dimensional residual measurement covering at least four orthogonal axes: trajectory residual, defined as the integrated distance between predicted and observed state across the cycle; resource residual, defined as the difference between budgeted and consumed resources at each accounting tick; action-sequence residual, defined as an edit distance between the predicted ordering of action invocations and the observed ordering; and effect-magnitude residual, defined as the difference between predicted and observed external effects at each instrumentation boundary.

When the temporal commitment expires, the verification subsystem produces a verdict from a defined ternary set. A within-envelope verdict indicates that observed behavior fell inside the residual tolerances on every measured axis; the cycle closes, the verdict is signed and emitted, and the next envelope in the operator-issued sequence is admitted for the following cycle. A correctable-deviation verdict indicates that residuals exceeded tolerance on at least one axis but a corrective action exists within the envelope's already-authorized action set whose execution is expected to bring the residual back within tolerance; the corrective action is invoked under the same envelope without re-issuance, a new sub-cycle is opened with a commitment window reduced to a fraction of the original window, and the residual measurement is restarted with the prior cumulative residual carried forward. A pause-required verdict indicates that residuals exceeded the correctable threshold on at least one axis, or that no in-envelope correction is available, or that the cumulative residual integral has reached its envelope-specified cap; the agent is held at its current state in a defined safe-hold posture, the operator authority is notified through a credentialed pause-notification channel, and a new envelope must be issued and admitted before the agent is permitted to resume forward operation.

Cycle bounding is the architectural property that prevents unbounded drift across long-running operations. Each envelope carries two independent termination parameters: a maximum cycle count, which fires when the count of sub-cycles opened under a single envelope exceeds the envelope-specified ceiling, and a maximum cumulative residual integral, which fires when the sum of per-cycle residuals across all sub-cycles exceeds an envelope-specified area cap. Either limit terminates the loop and forces envelope re-issuance regardless of per-cycle verdicts, even when every individual sub-cycle has produced a within-envelope verdict. The bounding ensures that a sequence of marginal within-envelope verdicts cannot collectively transport the agent into a state the original operator did not authorize, by enforcing that re-authorization is required after any sufficiently long or sufficiently drifty sequence of operation regardless of whether any single sub-cycle ever crossed a tolerance boundary.

Operating Parameters

The temporal commitment window is configured per envelope class and is the single most consequential parameter governing how the verification-feedback loop behaves at runtime. Short-window operation, on the order of tens to hundreds of milliseconds, applies to reactive control loops where the agent's authorized action set is narrow, the predicted-behavior profile is a near-instantaneous trajectory, and verification must complete within a single control tick of the agent's underlying actuator. Medium-window operation, on the order of seconds to minutes, applies to procedural sequences where the agent executes a multi-step plan whose intermediate states are not individually meaningful and verification waits for the plan's terminal state before producing a verdict. Long-window operation, on the order of minutes to hours, applies to mission-class envelopes where the agent operates semi-autonomously and verification produces a periodic audit verdict rather than a per-action gate, with intermediate observations accumulated into a residual time-series rather than evaluated individually. The envelope class also determines the verification subsystem's processing pipeline: short-window envelopes use an inline verifier executed in the same control thread as the agent, medium-window envelopes use an out-of-band verifier in a parallel attestation thread, and long-window envelopes use a batch verifier invoked at the commitment boundary.

Residual tolerances are envelope-specified rather than agent-specified, and this asymmetry is structural to the disclosure. The operator authority that issues an envelope declares, in the signed envelope body, how much deviation it accepts in each measured dimension and how those per-dimension tolerances aggregate into the within-envelope/correctable/pause classification. A delivery-class envelope might accept large trajectory residuals but tight resource residuals because the operator cares about reaching the destination cheaply rather than via any specific path. A safety-critical envelope inverts the trade-off, accepting larger resource residuals to keep trajectory residuals minimal. The agent does not negotiate the tolerances at runtime; the verification subsystem reads them directly from the signed envelope and applies them mechanically without interpretation. Tolerance manipulation by a compromised agent is structurally impossible because the envelope signature would fail verification on any modification.

Correction-action selection follows a precedence rule that resolves ambiguity when multiple in-envelope corrections are available. When a correctable-deviation verdict is produced, the verification subsystem enumerates the corrections in the envelope's authorized action set whose pre-conditions are satisfied by the agent's current state, ranks them by expected residual reduction computed from the envelope's predicted-behavior model, and selects the highest-ranked correction whose execution remains within the residual resource budget for the cycle. If no correction satisfies both the reduction-expectation and budget criteria simultaneously, the verdict is upgraded from correctable-deviation to pause-required and the agent enters safe-hold rather than executing a futile correction. This precedence eliminates the failure mode, well-documented in supervisory-control literature, in which an agent expends its remaining resource budget on a sequence of ineffective corrections and arrives at an exhausted, drifted state from which no further authorized action is feasible.

Cycle bounding parameters include the previously-described maximum cycle count and cumulative residual integral cap, plus a minimum cycle duration parameter and a verdict-emission jitter parameter. The minimum-duration parameter prevents loop-thrashing in which a hostile or degraded agent rapidly opens and closes cycles to avoid producing an evaluable behavior signal of meaningful duration. The verdict-emission jitter parameter randomizes the precise emission time of the verdict within a small bounded window around the commitment boundary to prevent timing-channel exfiltration of internal verifier state to an observing adversary, while remaining tight enough that downstream consumers can rely on the verdict's approximate arrival time.

Alternative Embodiments

In a robotic-manipulation embodiment, the envelope specifies a target pose for the end effector, an applied-force budget integrated over the cycle duration, a permitted contact set enumerating the surfaces the manipulator is authorized to touch, and a forbidden-zone enumeration covering parts of the workspace the manipulator must not enter. Verification compares observed contact events and applied forces from joint torque sensors and tactile instrumentation against the envelope; correction substitutes a slower trajectory or a reduced-force grasp; pause holds the manipulator at its current pose, releases active grasp constraints to a safe-hold preset, and notifies the operator authority pending review. In a fleet-routing embodiment, the envelope specifies a destination set, a fuel budget, a permitted set of route segments expressed as a directed-graph subgraph, and a window of permitted arrival times. Verification compares actual segment occupancy and consumption against the envelope using telemetry from the vehicle's odometry and fuel instrumentation; correction selects an alternative authorized segment from the envelope's permitted subgraph; pause holds the vehicle at the next safe-stop point of its current segment and surfaces a credentialed alert.

In a software-agent embodiment, the envelope specifies a natural-language task description, an API-call budget enumerated by endpoint and call count, a set of permitted external effects expressed as a typed-effect lattice, and a maximum elapsed wall-clock duration. Verification compares the agent's outbound calls and produced artifacts against the envelope using a call-instrumented runtime; correction restricts the agent to a subset of remaining authorized actions, typically by removing the effect classes responsible for the largest residual; pause produces a checkpoint of the agent's working memory and halts the agent in a state from which a subsequent envelope can resume the task. In a financial-execution embodiment, the envelope specifies an instrument set, a notional budget, a permitted venue list, and a maximum acceptable slippage tolerance. Verification compares actual fills against the budget and venue constraints; correction reduces order size, rebalances across remaining authorized venues, or extends execution duration to reduce per-tick market impact; pause cancels open orders, surfaces the in-flight position state to the operator authority, and prevents any further order submission until a new envelope is admitted.

A federated embodiment distributes the verification subsystem across multiple authorities, each competent over a particular subset of the residual axes. Each authority verifies only the residuals it is competent to evaluate and emits an authority-scoped sub-verdict; the cycle verdict is the conjunction of authority-scoped sub-verdicts under a precedence rule that resolves disagreement in favor of the most restrictive sub-verdict. The federated form supports cross-jurisdictional operation where no single authority can evaluate all dimensions of the envelope, such as agent operation that crosses regulatory, organizational, or trust-domain boundaries. A further embodiment provides for envelope chaining, in which a successful within-envelope verdict at the close of one envelope automatically admits the next envelope in a pre-issued sequence without separate operator interaction, while a correctable-deviation or pause-required verdict halts the chain and requires explicit operator re-issuance to resume.

Composition With Other Cognition Primitives

The verification-feedback loop composes with the credentialed-observation mesh: agent behavior observations and verification verdicts are themselves credentialed observations that propagate through the mesh and are admitted by downstream consumers under their own policy admission framework. Verdicts become first-class evidence usable by post-hoc audit, by counter-party risk evaluation in trust-sensitive domains, and by subsequent envelope issuance where the issuing authority can condition the next envelope on the verdict history of prior cycles. The composition closes a loop between operational supervision and governance evidence that conventional control architectures keep separate, allowing supervision to produce audit artifacts as a byproduct of normal operation rather than as a separate logging concern.

The loop composes with the inference-function evolution primitive: the residual time-series accumulated across many cycles is itself a training signal that drives parameter updates to the prediction model used inside the verification subsystem. The model becomes incrementally more accurate at predicting envelope-conformant behavior as more verdicts accumulate, narrowing residual tolerances over time without operator intervention. The improvement is itself governance-credentialed because the parameter updates are signed by the issuing authority and admitted under the operating unit's policy framework, ensuring that the verifier cannot evolve into a configuration the operator never authorized through silent drift of its prediction model.

The loop composes with the operator-intent envelope hierarchy: envelopes can be nested, with parent envelopes specifying outer bounds for an extended mission and child envelopes specifying inner bounds for the sub-tasks that compose the mission. A parent-envelope pause-required verdict cascades to all active child envelopes and halts every sub-task they govern; a child-envelope verdict propagates upward only as a residual contribution to the parent's cumulative integral, ensuring that local sub-task perturbations do not directly trigger mission-level pause but do contribute to the cumulative bound that eventually forces mission re-authorization. The hierarchy supports arbitrary nesting depth as long as the resource and tolerance bounds at each level are non-increasing relative to the enclosing level.

Prior-Art Distinction

Conventional control-loop architectures use feedback to regulate plant behavior against a setpoint, but the setpoint is operator-issued in real time without signature or attestation, the comparison is purely numerical, and there is no signed envelope, no temporal commitment that produces a discrete verdict at a defined boundary, and no governance-credentialed verdict artifact that downstream consumers can admit under policy. Conventional model-predictive control compares predicted to observed behavior using an internal model, but the prediction is internal to the controller, the comparison drives only the next control input, and there is no cycle-bounding mechanism that forces re-authorization, no pause primitive distinct from disturbance rejection, and no propagation of verdicts to a surrounding governance mesh.

Conventional supervisory-control architectures issue task-level commands and monitor completion, but completion is a binary signal and deviation produces only an alarm condition; there is no structured multi-axis residual measurement, no in-envelope correction precedence rule that distinguishes correctable from non-correctable deviations within an authorized action set, and no cumulative-residual cycle bound that forces re-authorization independent of any individual deviation. Conventional reinforcement-learning agents adapt their policy from environmental reward, but the reward signal is unauthenticated, the adaptation is unbounded, and there is no envelope, no signed verdict, and no operator-authority gating on parameter updates that would prevent the agent from drifting into states the original deployment authority never sanctioned. Conventional safety-monitor architectures fire on threshold violation but lack the verdict ternary, the in-envelope correction step, and the cumulative bound that distinguishes a correctable deviation from a sequence of marginal deviations that collectively warrant pause.

The verification-feedback loop disclosed herein is distinguished by the conjunction of signed envelope, multi-axis residual measurement, ternary verdict structure, in-envelope correction precedence, cumulative cycle bounding by both count and integral, and credentialed verdict propagation. Each element exists in isolation in some form across the prior art; the conjunction does not appear in any reference known to applicant, and the conjunction is what produces the property of bounded, falsifiable, audit-traceable autonomous operation that the disclosure claims as its inventive contribution.

Disclosure Scope

The disclosure covers the verification-feedback loop as an architectural primitive applicable to any agent operating under an authority-issued envelope, regardless of the agent's substrate or the operating environment in which the agent acts. The primitive is independent of the agent's physical or computational form, including without limitation robotic agents acting on physical workspaces, software agents acting on data and external services, financial-execution agents acting on markets, and biological-monitoring or therapeutic-delivery agents acting on physiological systems. The primitive is independent of the specific behavior-prediction model used inside the verification subsystem, including without limitation analytical models, learned models, ensemble models, and hybrid models combining multiple prediction families. The disclosure includes the ternary verdict structure, the cycle-bounding mechanism by both count and cumulative residual integral, the in-envelope correction precedence rule, the verdict-emission jitter parameter, the envelope-chaining mechanism, the hierarchical envelope nesting, and the federated-verification embodiment as alternative reductions to practice.

The disclosure expressly contemplates extension to multi-agent envelopes in which a single envelope authorizes a coordinated action by a set of agents and verification produces a joint verdict computed from the agents' joint behavior rather than per-agent verdicts aggregated post hoc; to time-varying envelopes in which the residual tolerances change as a function of cycle progress, with the tolerance schedule itself signed as part of the envelope; to envelope-issuance protocols in which the operator authority is itself an automated system operating under a higher-level envelope, producing a recursive structure in which authority is exercised under authority all the way to a root operator; and to revocation protocols in which a previously-admitted envelope can be cryptographically retracted before its commitment window expires, forcing the agent into pause-required verdict regardless of observed residuals. The scope of the disclosure is the architectural primitive, not any particular instantiation, and the claim language is drafted to capture the conjunction of signed envelope, multi-axis residual measurement, ternary verdict verification, in-envelope correction precedence, cumulative cycle bound, and credentialed verdict propagation as the inventive contribution that distinguishes the disclosure from the closest prior art.