Laboratories & science · Case study

Scientific plans become operations only after a controlled release.

Scientific intent became versioned, approved and executable work without confusing draft plans with operator tasks.

Case study context

The project and the problem

In the research laboratory, scientists needed to draft experiments with branches, dependencies, recipes, equipment and measurement decisions before operators received executable work. Treating every draft step as a task would expose unapproved plans. The system also had to distinguish rescheduling, retrying a failed attempt, adding scientifically necessary rework and correcting evidence instead of treating them as one generic edit.

How the process worked

Scientific intention was versioned as activities and dependencies, then validated and explicitly released before executable work items existed. Execution attempts remained attached to the released intention; retries added attempts, rework added new intended work and evidence corrections preserved the original record with an amendment.

Governed experiment release

Turn scientific intent into released work without rewriting history.

Use the controls below to inspect the key stages, constraints and validation decisions in that process.

Governed experiment

EXP-247 · Thin-film thickness optimization

Plan
v4
State
Released
Work order
WO-1187
Snapshot
Locked
Released
Released workflow · Plan v4

Scientific intent becomes operator work

Outside targetDecision

The valid 37.1 nm result is below the released 40 to 44 nm acceptance range, so the rework branch is eligible.

Recipe
ALD-R07
Equipment
ALD-03
Method
ELL-M03
Decision evidence

Measurement M-24081

37.1 nm Outside target
Target
40 to 44 nm
Rule
Below target → rework
Source
Ellipsometry attempt A-01
Quality
Valid result · target missed
Release gate7/7 passed
  • Recipe approved
  • Equipment qualified
  • Method available
Controlled next step

Choose what the evidence means

Next action
ALD cycles
180196
Target
40 to 44 nm

Operators continue with released Plan v4 until a new plan is approved and released.

Measurement M-24081 is valid and outside target. Choose the next controlled action.

Append-only record

Plan and execution history

The next action has not changed the released record.

History of the released plan, operator work, execution attempts, measurements, and new drafts
TimeArtifactEventState
Plan v4ReleasedImmutable
WO-1187Operator work generatedActive
Attempt A-01CompletedPreserved
M-2408137.1 nm · outside targetValid

Operating constraints

  • Draft versus released state
  • Recipes and equipment
  • Retry versus rework
  • Multiple planning views

What changed

  • Controlled release boundary
  • Consistent work views
  • Explicit retry and rework semantics
  • Traceable scientific change

Evidence retained: Version, release, retry, rework and amendment history preserved the reason for each operational change.

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