Auditor evidence pack

Event at register

Administration · Meetings & Events · line AD5A · Event Brief to Delivery. more

Chain verified

Every record links to the one before it and hashes to its stored value. 5 records were re-hashed on this page load, in order, starting from the genesis value. Nothing was read from a cached verdict.

hash = sha256(prevHash + "|" + JSON{seq, unitRef, actor, action, outcome, occurredAt})

Records

Append-only, sequenced

Agent actions

Taken by software

Human actions

Taken by a named person

Refusals

Blocked by the authority register

Corrections

Later record supersedes an earlier one

Legal hold

Held

HOLD-004

The unit

What the work was, and where it sits

Reference

AD5A-1007

Subject

Zara Marchetti

Requested by

Farrah Mensah

Value

$73k

Materiality

medium

Currently held by

Director, Corporate Events (human)

Sub-function owner

Director, Corporate Events

Orchestrator

Events Orchestrator

Every action, in order

Actor, authority, versions in force, and the hash link to the record before it

Event Brief AgentgbsCleared

Cleared brief

2026-08-18 08:28:00ZAuthority AD5-AUTH-A1 · cap $250,000Jurisdiction SGAutonomy A3Retention OPS-3YLegal hold HOLD-004

Model

[email protected]

Prompt

task-execution@p21

Policy

materiality-bands@v9

Tools

ledger-write@t7, document-fetch@t9

in e632cb72...5f2ae0out 804f378d...498fb6artifact ART-AD5A-1001-1 genesis → 4b1893aa...9ccf19

Director, Corporate Eventsaccountable-ownerCleared

Cleared budget approve

2026-08-18 08:34:00ZAuthority AD5-AUTH-H1 · cap $250,000Jurisdiction SGAutonomy A0Retention OPS-3YLegal hold HOLD-004

Model

human@n-a

Prompt

human@n-a

Policy

materiality-bands@v9

Tools

none

in b750b94f...a55099out 87fcdc8b...256d11artifact ART-AD5A-1001-2 4b1893aa...9ccf19 → a12f8a89...08c729

Event Brief AgentgbsCleared

Cleared source venue

2026-08-18 08:41:00ZAuthority AD5-AUTH-A1 · cap $250,000Jurisdiction SGAutonomy A3Retention OPS-3YLegal hold HOLD-004

Model

[email protected]

Prompt

task-execution@p21

Policy

materiality-bands@v9

Tools

ledger-write@t7, document-fetch@t9

in 74055758...3e8a52out e4bc3172...c8d942artifact ART-AD5A-1001-3 a12f8a89...08c729 → cf6c276e...99831b

Registration AgentgbsCleared

Cleared contract

2026-08-18 08:47:00ZAuthority AD5-AUTH-A1 · cap $250,000Jurisdiction SGAutonomy A3Retention OPS-3YLegal hold HOLD-004

Model

[email protected]

Prompt

task-execution@p21

Policy

materiality-bands@v9

Tools

ledger-write@t7, document-fetch@t9

in af4e98b7...2420about ca795005...89cc3cartifact ART-AD5A-1001-4 cf6c276e...99831b → 65a521f3...cd7af5

Logistics AgenttaskHeld

Holding at register

2026-08-18 08:54:00ZAuthority AD5-AUTH-A1 · cap $250,000Jurisdiction SGAutonomy A3Retention OPS-3YLegal hold HOLD-004

Model

[email protected]

Prompt

task-execution@p21

Policy

materiality-bands@v9

Tools

document-fetch@t9, read-only-lookup@t12

in fa9c6ab9...a94296out 36cf0a74...21a574artifact ART-AD5A-1001-5 65a521f3...cd7af5 → f22b128d...beb1b6

Authority relied on

Who was allowed to do this, up to what value, in which jurisdictions

AD5-AUTH-A1ActiveEvents Orchestrator

Any unit on a meetings & events line where every intake check passed, the policy in force is current, and the value sits inside the cap below.

Cap $250,000US · UK · DEDelegated from Director, Corporate EventsExpires 2027-01-16

AD5-AUTH-H1ActiveDirector, Corporate Events

Anything the agent grant refuses, plus any override of an agent outcome. more

Cap $2,000,000US · UK · DEDelegated from Administration leadershipExpires 2027-03-14

Versions in force

Exactly what was running when these actions were taken

Kind	Identifier	Version	Status	Owner
model	extract-lite	2.9	current	Platform model council
policy	materiality-bands	v9	current	Group controller
prompt	task-execution	p21	current	Shared service engineering
toolset	ledger-write	t7	current	Finance systems
toolset	read-only-lookup	t12	current	Platform engineering
toolset	document-fetch	t9	current	Shared service engineering

Gates on this line

The control points this unit had to clear

Budget approve

Held for a named human when the unit exceeds the event decision envelope, when confidence falls below the floor, or when a policy clause is engaged.

Approver: Director, Corporate Events · not reached

Records schedule and holds

How long this evidence must be kept, and whether it is frozen

OPS-3Y3 years

Operational routing and execution

Internal operating requirement. No statutory driver, so the shortest defensible period is used deliberately.

Deleted at three years. more

HOLD-004active

Internal investigation — expense approvals

A pattern of approvals just under a materiality threshold was flagged by the observe layer and is being examined. more

Custodian Head of Internal Investigations · requested by Audit committee

What this pack proves, and what it does not

Read this before you rely on it

It does prove

Every action carries a named actor, an actor kind, and a timestamp.
Every action names the authority grant that permitted it and the cap that grant carries.
Every action stamps the model, prompt, policy and tool versions in force at that moment.
Corrections are additive. A later record supersedes an earlier one and says why more
The chain is re-hashed live on this page, so a single altered field is detected immediately.

It does not prove

It is not tamper-proof against an attacker with write access to the store, who could rewrite the whole chain from genesis. more
The evidence in this demonstration is modeled from a simulated estate, not captured from production systems.
Identity here is the actor name recorded on the action. more