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Where Agent Protocols Stop: Cross-Layer Gaps in Authority, Commitment, Evidence, and Service Closure

Year: 2026
Type: preprint
Abstract: Local protocol success is not sufficient to close an agent service. We study when locally conformant protocol states justify relationship-level service closure across agent stacks. A protocol-neutral Agent Service Episode (ASE) separates capability, authority, commitment, process, authoritative external effect, evidence/acceptance, responsibility, and relationship state. The protocol corpus uses a specification snapshot cutoff of 15 September 2026. Two authors independently coded nine semantic-ownership dimensions. On 32 held-out cells, exact agreement was 78.1%, Cohen's $\kappa=0.566$ (bootstrap 95% CI $[0.295,0.815]$), and nominal Krippendorff's $\alpha=0.564$; the held-out sample contained no Delegated labels, so D/U reproducibility is not estimated. All six families natively own action/process semantics, but none owns or names an external owner for authoritative external effect or service closure at ASE scope; all 12 corresponding raw judgments were independently U/U. An Alloy upper-bound model shows that the strongest observed local semantics do not entail ASE closure. An integrated binding model establishes bounded joint realizability and single-removal non-redundancy, with D0 used as an encoding-alignment regression. An executable Agent Service Binding Profile demonstrates the same bindings on invariant-targeted CAD/CAE/PLM traces in a coverage/feasibility study. Thus, within this protocol snapshot, $\mathsf{TaskCompleted}$ does not by itself license $\mathsf{Closed}$. For Agentic Services Computing, service closure is a first-class cross-layer governance decision whose owner and validation rule must be explicit.
DOI: 10.5281/zenodo.23448112
Language: English
Open Access status: green
OpenAlex ID: W7222893365
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