What question did this study set out to answer?

The aim is to establish a standardized format for providing proof of service execution in real time.

February 6, 2026Open Access

Execution-Time Evidence Objects (ETEOs): A Technical Specification for Audit-Defensible, Non-Repudiable Chain-of-Custody Records

Puntos clave

The aim is to establish a standardized format for providing proof of service execution in real time.
Defined a standardized evidentiary format called Execution-Time Evidence Object (ETEO).
Ensured ETEOs are generated contemporaneously with actions performed.
Specified use in audit, payment review, and compliance workflows.
ETEOs do not rely on post-execution evidence like testimonies or narratives.
Provides a framework that enhances the integrity and trustworthiness of records.

Resumen

This document defines the Execution-Time Evidence Object (ETEO), a standardized, machine-verifiable evidentiary format designed to establish contemporaneous proof of labor or service execution.ETEOs are generated contemporaneously with execution and are expressly designed to operate without reliance on post-hoc reconstruction, narrative explanation, witness testimony, or retroactive attestation.This specification is intended for use in audit, payment review, compliance, and fund-release workflows where record integrity, contemporaneity, and non-repudiation are required.Author: Tony Giuliano (Independent Technical Author)

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