OOF™ Origin Open Foundation™

Independent Methodological Authority

Architecture Ecosystem: Structured Reality Standards™
Architecture Family: TREGA™ — Tax-Relevant Event Governance Architecture™
Parent Standard: Tax-Relevant Event Timing Standard (TRETS)
Module: ETIM — Event Time Identification Module
Operational Layer: Event Time Identification Governance Layer
Category: Governance & Enforcement
Subcategory: Tax-Relevant Event Governance
Type: Core Module
Governed Space: Event Time Identification
Origin ID: TREGA-TRETS-ETIM-001
Version: 1.0
Status: Canonical · Open Standard
Effective Date: 31 August 2026
AI-Readable: Yes
Authority: OOF®
Protection: MIP® — Methodology Intellectual Property Protection
Canonical Language: English ------------------------------

Canonical Definition

The Event Time Identification Module (ETIM) governs how
temporally relevant signals associated with a Governed Bounded
Event are identified, distinguished, contextualized, and prepared
as a traceable temporal evidence structure from which subsequent
Event Start, Event Completion, Event Duration, and Event Temporal
Order governance can proceed.

ETIM identifies operationally relevant temporal signals
originating from human activity, transactions, physical
operations, digital systems, distributed infrastructure,
autonomous systems, machines, records, observations,
communications, and other governed sources without assuming that
any individual timestamp automatically represents the
authoritative time of the event.

Its specific task is:

to establish a coherent and traceable Governed Event Time Signal
Set representing the materially relevant temporal signals
associated with the bounded event without prematurely determining
Event Start, Event Completion, Event Duration, Legal Tax Point,
Tax Period, or jurisdiction-specific tax consequences.

ETIM governs the identification of temporal signals relevant to
the event.

It does not yet determine the event's complete temporal
structure. ------------------------------ 1. Operational Role

TREBS produces a Governed Bounded Event whose structural
perimeter has been sufficiently established.

TRETS must now determine how that bounded event exists in
operational time.

The first requirement is not to choose a date.

The first requirement is to identify the temporal signals capable
of legitimately informing that determination.

ETIM performs this function.

It examines the bounded event and identifies the timestamps,
temporal observations, sequence indicators, state transitions,
physical occurrences, digital records, machine signals, and other
temporal references materially associated with it.

The transition governed by ETIM is:

Governed Bounded Event

↓

Governed Event Time Signal Set

ETIM therefore creates the temporal input structure required by
the remaining TRETS modules.

Timestamp ≠ Governed Event Time by Default.
------------------------------ 2. Internal Flow

The TRETS Internal Module Flow is:

Governed Bounded Event

↓

ETIM — Event Time Identification

↓

ETSM
— Event Start

↓

ETCM — Event Completion

↓

ETDM — Event Duration

↓

ETOM — Event Temporal Order

↓

Governed Temporally Situated Event

ETIM governs the first operational transition:

Governed Bounded Event

↓

Temporal Signal Discovery

↓

Temporal
Signal Identification

↓

Temporal Signal Contextualization

↓

Temporal Signal Relevance Assessment

↓

Temporal Signal
Correlation

↓

Temporal Ambiguity / Conflict Detection

↓

Governed
Event Time Signal Set

↓

ETSM

ETIM does not determine which identified signal constitutes Event
Start.

That determination belongs to ETSM — Event Start Module.
------------------------------ 3. Operational Space

ETIM governs the operational space in which temporal signals
associated with the bounded event must be discovered and
structured before temporal determinations are made.

This space includes: operational timestamps, transaction
timestamps, physical occurrence times, observation times,
system-generated timestamps, machine timestamps,
autonomous-system timestamps, communication timestamps,
authorization times, execution times, confirmation times,
recording times, transmission times, receipt times,
settlement-related temporal signals, state-transition times,
distributed-system timestamps, synchronized and unsynchronized
clocks, approximate temporal signals, temporal intervals,
incomplete temporal records, conflicting timestamps, duplicated
temporal signals, derived temporal references, sequence
indicators, temporal uncertainty, temporal source traceability.

ETIM does not treat these signals as equivalent.

Their existence establishes potential temporal relevance, not
authoritative event timing. ------------------------------ 4.
Operational Scope

ETIM governs:

1. identification of temporal signals materially associated with
the bounded event; 2. identification of the source producing or
recording each temporal signal; 3. distinction between
operational occurrence time and system-recording time; 4.
distinction between observed, generated, transmitted, received,
recorded, and derived temporal signals; 5. contextualization of
temporal signals within the bounded event; 6. assessment of
whether a temporal signal is materially relevant to subsequent
timing governance; 7. correlation of multiple signals referring
to the same or related event activity; 8. detection of
conflicting or inconsistent temporal signals; 9. detection of
missing or insufficient temporal information; 10. representation
of temporal uncertainty; 11. preservation of temporal provenance
and traceability; 12. preparation of the Governed Event Time
Signal Set for Event Start governance.

ETIM does not determine Event Start, Event Completion, Event
Duration, final Temporal Order, Legal Tax Point, Tax Period, or
tax consequences. ------------------------------ 5. Temporal
Signal Identification

A governed event may produce many temporal records.

Only some may be materially relevant to its operational temporal
representation.

ETIM identifies candidate temporal signals by examining the
governed event's actual operational structure rather than relying
on one preferred system of record.

Potential temporal signals may originate from:

Human Activity action initiation, approval, acceptance, physical
performance, acknowledgement.

Transactional Systems order creation, authorization, transaction
execution, confirmation, settlement.

Physical Systems sensor activation, production initiation,
movement, delivery, inspection, physical completion.

Digital Systems request creation, API execution, processing,
database commit, digital delivery, service activation.

Autonomous Systems autonomous decision, agent instruction,
machine activation, automated execution, autonomous confirmation.

Records and Communications document creation, message
transmission, receipt, ledger entry, accounting entry.

The presence of a timestamp in any of these systems does not
establish its authority over the event.

Recorded Time ≠ Operational Event Time by Default.
------------------------------ 6. Temporal Signal Source
Governance

Every material temporal signal should remain associated with the
source from which it originated.

ETIM therefore distinguishes between the time represented by a
signal and the mechanism that produced or recorded it.

A temporal source may include: human observation, sensor, machine
controller, application, API, transaction platform, distributed
ledger, accounting system, payment infrastructure, logistics
system, autonomous agent, external service, trusted time service,
documentary record.

The source relationship must remain traceable because different
systems may record different temporal aspects of the same event.

Source Timestamp ≠ Source Authority Over Event Time.

A system may accurately report when it recorded something without
establishing when the governed event itself occurred.
------------------------------ 7. Occurrence Time vs. Recording
Time

One of ETIM's critical functions is distinguishing operational
occurrence from later recording.

For example:

Operational action: 10:02:14 System transmission: 10:02:16
Database recording: 10:02:18 Accounting posting: 11:45:00
Settlement record: following day

All may be valid timestamps.

They do not describe the same temporal fact.

ETIM preserves these distinctions instead of collapsing them into
one generic date field.

Occurrence Time ≠ Recording Time.

Recording Time ≠ Accounting Time.

Accounting Time ≠ Settlement Time.

Settlement Time ≠ Legal Tax Point. ------------------------------
8. Temporal Signal Relevance

A temporal signal becomes relevant to ETIM when it materially
contributes to understanding the operational temporal structure
of the bounded event.

Relevance may depend on whether the signal: represents an actual
event activity, records a material state transition, confirms
occurrence of an event component, establishes a meaningful
temporal constraint, contributes to reconstruction of event
sequence, helps distinguish event activity from surrounding
activity, supports subsequent Event Start or Event Completion
governance.

A technically valid timestamp may nevertheless be operationally
immaterial.

For example, a database backup time may relate to records
describing an event without being relevant to when the event
occurred.

Technical Timestamp ≠ Material Temporal Signal by Default.
------------------------------ 9. Multiple Temporal Signals

Modern events frequently contain multiple legitimate temporal
signals.

ETIM must preserve this multiplicity rather than forcing
premature selection of a single timestamp.

A commercial event may contain:

Order Created

↓

Order Accepted

↓

Payment Authorized

↓

Service
Activated

↓

Delivery Completed

↓

Payment Settled

A machine-generated event may contain:

Signal Detected

↓

Autonomous Decision

↓

Command Issued

↓

Machine
Activated

↓

Operation Executed

↓

Result Confirmed

Each temporal signal may be operationally relevant.

ETIM identifies and structures these signals.

Later TRETS modules determine their role in the governed temporal
representation.

Multiple Temporal Signals ≠ Temporal Conflict by Default.
------------------------------ 10. Temporal Signal Correlation

Different systems may record the same operational occurrence
differently.

ETIM therefore supports correlation between temporal signals that
appear to describe the same or closely related operational
activity.

Correlation may consider: common event identifiers, operational
relationships, sequence consistency, source relationships,
transaction references, machine execution references, physical
observations, bounded-event components, state transitions.

Correlation must not erase source differences.

Two timestamps may refer to the same operational occurrence while
preserving separate provenance.

Temporal Correlation ≠ Temporal Equivalence.
------------------------------ 11. Distributed Event Timing

A bounded event may operate across multiple systems, networks,
devices, organizations, or geographical environments.

Temporal signals may therefore originate from clocks that are:
synchronized, partially synchronized, independently maintained,
delayed, offset, intermittently connected, subject to network
latency.

ETIM must preserve the relevant temporal signals together with
their source context and known temporal limitations.

A distributed event must not be forced into artificial temporal
precision that available evidence cannot support.

Distributed Execution ≠ Single-System Time Authority.
------------------------------ 12. Machine and Autonomous
Temporal Signals

Machine and autonomous environments may generate extremely high
volumes of timestamps.

ETIM does not assume that every machine action represents a
material temporal signal for the governed event.

A robot may generate thousands of control-cycle timestamps while
performing one materially relevant operation.

An AI agent may perform dozens of API calls while executing one
governed activity.

A distributed autonomous process may produce multiple
confirmation times across independent systems.

ETIM identifies the temporal signals materially relevant to the
governed event while preserving necessary underlying
traceability.

Machine Timestamp Volume ≠ Event Temporal Granularity.

One Machine Timestamp ≠ One Event Time.
------------------------------ 13. Temporal Ambiguity

Not every event contains sufficient temporal information for
precise temporal identification.

Possible conditions include: missing timestamps, contradictory
timestamps, approximate times, incomplete records, clock
synchronization uncertainty, delayed recording, unknown source
reliability, conflicting human observations, inconsistent system
logs.

ETIM must preserve such uncertainty explicitly.

It must not manufacture precision merely because downstream
systems require a date or timestamp.

Required Data Field ≠ Legitimate Temporal Certainty.
------------------------------ 14. Temporal Conflict

Temporal conflict exists when two or more materially relevant
temporal signals cannot be reconciled within the available
governed representation.

For example:

System A indicates execution at 14:02.

System B indicates the same operation completed at 13:58.

A physical sensor indicates activation at 14:01.

The conflict must remain visible until sufficient governance
resolves or contextualizes it.

ETIM may identify and structure the conflict.

It does not arbitrarily choose the timestamp preferred by a
particular operational, accounting, commercial, or taxation
system.

System Preference ≠ Governed Temporal Resolution.
------------------------------ 15. Temporal Precision Governance

Temporal information may exist at different levels of precision.

Examples include: year, month, date, hour, minute, second,
millisecond, bounded interval, approximate period, sequence-only
representation.

ETIM preserves the precision legitimately supported by the
underlying temporal information.

It must not increase apparent precision beyond what the available
governed signals justify.

Recorded Precision ≠ Proven Temporal Accuracy.
------------------------------ 16. Temporal Signal States

ETIM may classify identified temporal signals into governance
states such as:

Identified A temporal signal has been detected and associated
with the bounded event.

Contextualized The operational meaning and source of the signal
are sufficiently understood.

Relevant The signal materially contributes to subsequent Event
Timing governance.

Correlated The signal has a governed relationship with one or
more other temporal signals.

Ambiguous The signal's temporal meaning remains insufficiently
clear.

Conflicting The signal materially conflicts with another relevant
temporal representation.

Insufficient Available information does not support adequate
temporal use.

Unresolved The signal requires subsequent governance or
additional information before reliable temporal use.

These states preserve uncertainty rather than hiding it.
------------------------------ 17. Governance Requirements

A conforming ETIM implementation should:

1. identify materially relevant temporal signals associated with
the Governed Bounded Event; 2. preserve the source of each
material signal; 3. distinguish occurrence, observation,
transmission, recording, posting, settlement, and derived times
where relevant; 4. assess temporal relevance rather than
accepting timestamps indiscriminately; 5. preserve multiple
legitimate temporal signals; 6. correlate related signals without
erasing provenance; 7. detect temporal ambiguity and conflict; 8.
preserve legitimate uncertainty; 9. avoid artificial temporal
precision; 10. support physical, digital, distributed,
machine-generated, and autonomous events; 11. maintain sufficient
traceability for reconstruction; 12. prevent legal tax
assumptions from controlling operational temporal identification;
13. produce a Governed Event Time Signal Set suitable for ETSM.

------------------------------ 18. Governance Logic

The minimum ETIM governance logic is:

IF a Governed Bounded Event contains or can be associated with
temporal information,

THEN materially relevant temporal signals must be identified and
associated with their sources.

IF multiple signals describe different
temporal aspects of the event,

THEN they must remain distinguishable.

IF multiple signals appear to represent
the same occurrence,

THEN they may be correlated without automatically being treated
as temporally identical.

IF temporal signals conflict,

THEN the conflict must remain explicit until sufficiently
resolved or contextualized.

IF available information supports only
approximate timing,

THEN ETIM must preserve approximate timing rather than
manufacture exactness.

IF a timestamp exists only because a
technical system recorded the event,

THEN that timestamp must not automatically become authoritative
Event Time.

IF a jurisdiction-specific tax rule
prefers a particular date,

THEN that preference must not redefine the operational temporal
signals governed by ETIM. ------------------------------ 19.
Minimum Implementation Framework

A minimum ETIM implementation should support:

1. Event Reference Reference to the Governed Bounded Event
received from TREBS.

2. Temporal Signal Identifier Unique reference for each
materially relevant temporal signal.

3. Temporal Value Timestamp, date, interval, approximate period,
or sequence indicator.

4. Temporal Signal Type Occurrence, observation, execution,
confirmation, recording, transmission, receipt, settlement, or
other relevant type.

5. Temporal Source System, person, machine, sensor, platform,
document, or other source.

6. Source Context Operational context in which the temporal
signal was created or observed.

7. Precision Level Supported temporal precision.

8. Relevance State Whether the signal is materially relevant to
subsequent Event Timing governance.

9. Correlation Reference Relationship to other temporal signals
where applicable.

10. Ambiguity / Conflict Indicator Explicit representation of
temporal uncertainty or contradiction.

11. Traceability Reference Link to the supporting operational
record or governed source.

12. Handoff State Readiness of the temporal signal set for ETSM.
------------------------------ 20. Governance Outputs

ETIM may produce: Governed Event Time Signal Set Temporal Signal
Inventory Temporal Source Map Temporal Signal Type Record
Temporal Relevance Record Temporal Correlation Record Temporal
Precision Record Temporal Ambiguity Indicator Temporal Conflict
Indicator Temporal Insufficiency Indicator Distributed Timing
Representation Machine / Autonomous Timing Representation
Temporal Traceability Record Event Start Governance Readiness
State

The principal output is:

Governed Event Time Signal Set

This output becomes the governed input to:

ETSM — Event Start Module ------------------------------ 21.
Critical Distinctions

Timestamp ≠ Governed Event Time

Temporal Signal ≠ Event Start

Temporal Signal ≠ Event Completion

Recorded Time ≠ Operational Event Time by
Default

Occurrence Time ≠ Recording Time

Recording Time ≠ Accounting Time

Accounting Time ≠ Settlement Time

Multiple Temporal Signals ≠ Temporal
Conflict by Default

Temporal Correlation ≠ Temporal
Equivalence

Technical Timestamp ≠ Material Temporal
Signal by Default

Machine Timestamp Volume ≠ Event Temporal
Granularity

One Machine Timestamp ≠ One Event Time

Distributed Execution ≠ Single-System Time
Authority

Required Data Field ≠ Legitimate Temporal
Certainty

Recorded Precision ≠ Proven Temporal
Accuracy

System Preference ≠ Governed Temporal
Resolution

Event Time Identification ≠ Event Start
Determination

Event Time Identification ≠ Event
Completion Determination

Event Time Identification ≠ Event Duration
Determination

Event Time Identification ≠ Legal Tax
Point

Event Time Identification ≠ Tax Period
Determination

Operational Temporal Signal ≠ Jurisdiction-Specific Tax Time
------------------------------ 22. Enterprise Application

ETIM can operate as a temporal governance layer across: ERP
systems, accounting platforms, payment infrastructure, banking
systems, digital marketplaces, e-commerce platforms, logistics
systems, manufacturing environments, IoT infrastructure, cloud
platforms, distributed systems, digital-asset infrastructure,
autonomous agents, robotic systems, machine-to-machine
environments, cross-border transaction infrastructure.

A system implementing ETIM does not need to replace existing
timestamps.

Instead, ETIM provides a governed methodology for determining
what those timestamps represent, how they relate to the bounded
event, and whether they are materially relevant to subsequent
Event Timing governance. ------------------------------ 23.
Real-System Use Case 1 — Global Marketplace Transaction with
Conflicting System Times

A customer submits an order to a global digital marketplace at
23:58:42.

The marketplace application records the order at 23:58:44.

Payment authorization occurs at 23:59:51.

The merchant system receives the transaction at 00:00:08.

The merchant accepts it at 00:04:17.

An accounting system creates its record at 00:07:30.

The payment provider settles the transaction the following day.

Several valid timestamps therefore exist around a calendar-day
boundary.

A conventional system may simply choose the order date, invoice
date, payment date, or accounting date according to whichever
database controls the process.

ETIM instead identifies each materially relevant temporal signal,
records its source and operational meaning, distinguishes
occurrence from recording and settlement, preserves the
cross-midnight temporal structure, and identifies any uncertainty
or conflict.

The result is a Governed Event Time Signal Set.

ETIM does not decide which timestamp constitutes Event Start or
which date constitutes the Legal Tax Point.

Those determinations belong to subsequent governance.

The existence of a timestamp does not grant that timestamp
authority over the event. ------------------------------ 24.
Real-System Use Case 2 — Autonomous Industrial Production Event

An autonomous production system receives a manufacturing
objective.

An AI scheduler allocates resources at 08:01:12.

A robotic material system begins movement at 08:01:48.

A machine controller initiates production at 08:03:04.

Multiple robots execute thousands of control operations during
production.

Inspection systems continuously record sensor measurements.

The manufactured component completes processing at 08:47:19.

Automated quality verification occurs at 08:49:03.

Inventory state changes at 08:50:11.

The autonomous settlement system records resource consumption
later.

The environment contains thousands of technically valid
timestamps.

ETIM does not treat each machine timestamp as a separate
authoritative representation of Event Time.

It identifies which temporal signals materially describe the
bounded event, preserves their source and operational context,
distinguishes machine-control noise from event-relevant temporal
information, and constructs a traceable Governed Event Time
Signal Set.

ETSM may subsequently determine which governed temporal condition
establishes Event Start.

Machine-generated precision must not be confused with governed
temporal meaning. ------------------------------ 25. Canonical
Boundary

ETIM governs the identification, contextualization, relevance
assessment, correlation, precision, ambiguity, conflict, source
association, and traceability of materially relevant temporal
signals associated with a Governed Bounded Event.

It does not determine Event Start, Event Completion, Event
Duration, final Event Temporal Order, Event Location, Event
Participation, Event-to-Value Association, Event Relationships,
Event Determination, Legal Tax Point, Tax Period, Tax
Jurisdiction, legal taxability, tax liability, or
jurisdiction-specific tax consequences.

ETIM receives:

TREBS — Governed Bounded Event

ETIM produces:

Governed Event Time Signal Set

The output is handed to:

ETSM — Event Start Module

The canonical handoff is:

TREBS — Governed Bounded Event

↓

ETIM — Governed Event Time
Signal Set

↓

ETSM — Event Start Module
------------------------------ 26. Canonical Closing Statement

ETIM establishes the governed temporal evidence structure of the
event before any individual timestamp is permitted to define when
that event begins, ends, or becomes legally significant.

ETIM identifies the times that may describe the event — it does
not yet decide which of those times defines its start.