Case study: Laboratories & science
Raw artifacts moved through archive, fingerprinting, parsing, validation and correlation without losing provenance.
System
The laboratory used scientific instruments from different vendors, each exporting measurements through its own text, spreadsheet, XML, image or proprietary file format. A file extension did not establish scientific meaning, and parsing alone could not prove which instrument, sample and method produced a value. A silent import failure could also be mistaken for a genuine absence of observations.
Each source was archived immutably and checksummed before format fingerprinting selected a versioned parser. Parsed records were normalized and validated, while sample and equipment correlation remained a separate controlled decision; ambiguous or failed inputs entered quarantine for review and replay against the preserved source.
Turn instrument files into trusted measurements without losing the evidence.
Use the controls below to inspect the key stages, constraints and validation decisions in that process.
Instrument ELL-02 · Ellipsometer
| Field | Value | Type | Exact source |
|---|---|---|---|
| sample_id | S-24-01842-B | text | Header / SampleID |
| thickness | 47.9 nm | decimal | Data row 18 / Psi fit |
| fit_error | 0.013 | decimal | Model / MSE |
| method | Thickness v3 | reference | Header / Method |
[Acquisition]
Instrument=ELL-02
SampleID=S-24-01842-B
Method=Thickness v3
[Data row 18]
Thickness_A=479
FitError=0.013The artifact names sample S-24-01842-B, but two open runs reference that sample.
Parsing and validation passed. Confirm the correct experiment run before publication.
A replay appends a new attempt. It never overwrites this record.
| Attempt | Timestamp | Parser | Stage | Outcome | Record |
|---|---|---|---|---|---|
| Attempt 01 | v2.4.1 | Correlation | Awaiting link | Immutable |
Evidence retained: Checksums, parser versions, validation diagnostics and source locations remained linked to every imported measurement.
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