Key Takeaways on Archival Metadata
- Archival metadata provides digital documents with context, traceability, and preservation guidelines.
- They make it possible to distinguish between simple file storage and a true electronic archiving system.
- Technical metadata, includingthe cryptographic fingerprint, helps demonstrate the document's integrity.
- Administrative metadata governs retention policies, access rights, and the final disposition of records.
- The ISO 14641 and OAIS standards outline the requirements for long-term digital preservation.
What is metadata in the context of digital archiving?
Metadata is information that describes other data. In electronic archiving, it enables the identification, management, preservation, and retrieval of a digital document under controlled conditions.
An archived contract, invoice, or delivery slip is not limited to its visible content. Its value also depends on the information that accompanies it: creation date, author, format, version, digital signature, access rights, retention period, and transaction history.
These elements constitute the document’s evidentiary identity. They make it possible to understand its origin, verify its integrity, and demonstrate that preservation rules have been followed.
The ISO 14641 standard defines technical and organisational specifications for the capture, storage, and access to electronic documents, in order to ensure their readability, integrity, and traceability throughout their retention period.
The different types of metadata essential for archiving
Not all metadata serves the same purpose. In an electronic archiving project, metadata is generally divided into three broad categories: descriptive, administrative, and technical.
Descriptive metadata makes it easier to identify and search for a document. It includes, for example, the title, author, date, keywords, document type, or association with a client, supplier, or litigation file.
Administrative metadata governs document management: administrative retention period, retention policies, final disposition, access authorisations, any restrictions, and the legal status of the archive.
Technical and preservation metadata document the physical and logical conditions for preservation: format, software version, cryptographic fingerprint, successive migrations , and integrity checks.
| Metadata Type | Function | Example |
|---|---|---|
| Descriptive | Identify and search | Title, Author, Keywords |
| Administrative | Manage Retention Policies | Retention Period, Access Rights |
| Technical | Preserving and Monitoring Integrity | Format, hash, event log |
Why is metadata central to legal electronic archiving?
Electronic archiving is not simply a matter of storing files in a storage space. It is based on a structured approach to the document lifecycle. Metadata serves as the guiding principle.
They help answer simple yet critical questions regarding evidence: Is this document the one that was archived? Has it been modified? When was it added to the records? Who has had access to it? What rules govern its retention?
In the event of a dispute, this information helps reconstruct the document’s history. It provides a chain of custody that can be used by legal teams, auditors, or regulatory authorities.
Standards and guidelines: the reference framework for archival metadata
Several standards govern metadata management in electronic archiving.
ISO 14641:2018: metadata for readability, integrity, and traceability
The ISO 14641:2018 standard addresses the design and operation of an information system intended for the preservation of electronic records. It addresses the capture, storage, and access to documents to ensure their readability, integrity, and traceability throughout their retention period.
When it comes to metadata, the key point to remember is this: the standard is not limited to the preservation of the file itself. It requires preserving the information needed to demonstrate that the document has been properly captured, preserved, accessed, and retrieved.
NF Z42-013: Metadata, logging, and proof of integrity
NF Z42-013 is the French standard for electronic archiving for evidentiary purposes. AFNOR states that it provides technical and organisational specifications for the recording, archiving, retrieval, and disclosure of digital documents, in order to ensure their preservation and integrity.
When it comes to metadata, the approach is more evidence-based than purely documentary. The NF Z42-013 standard requires that the lifecycle of the archive be documented: accession, preservation, consultation, disclosure, return, and disposal. FranceArchives notes that the updated version of the standard was published in October 2020.
NF 461: SAE Certification and metadata validation
NF 461 certification attests that an electronic records management system implements verifiable processes for preserving documents and their associated metadata. In particular, it covers the electronic archiving system’s ability to ensure the traceability of operations, the secure preservation of archives, their retrieval, and control over disposal processes.
OAIS model, standardised by ISO 14721
The OAIS model formalises the idea that a digital archive is more than just the preserved file. It includes the content and the information necessary for its understanding, preservation, and verification over time. In practice, this information consists of metadata relating to context, provenance, integrity, identification, and rights.
Securing your digital archives with a Trusted Service Provider
For documents with significant legal implications, archiving must meet standards that go beyond simply ensuring future access to the file. It must enable the production of evidence that is usable, understandable, and verifiable.
A qualified trust service provider offers guarantees governed by eIDAS. In France, ANSSI is the agency responsible for qualifying trust service providers and publishing the national trust list.
In this context, archival metadata is not merely technical information. It becomes part of the evidence file: it links the document to a date, an origin, a digital fingerprint, a history, and retention policies.
Conclusion
Archival metadata forms the basis of the evidential value of digital documents. It makes it possible to identify a file, understand its context, track its history, and verify its integrity.
As companies digitise their processes, they must distinguish between simple file storage and archiving for evidentiary purposes. This distinction depends largely on the quality of the metadata that is generated, retained, and retrieved.
For legal, compliance, and information technology departments, the challenge is clear: to embed metadata as soon as a document is captured, link it to recognised evidence-preservation mechanisms, and store it in an environment that meets the requirements for audits, compliance reviews, and litigation.
Disclaimer of liability
The opinions, presentations, figures and estimates presented on the website, including the blog, are intended for information purposes only and should not be construed as legal advice. For legal advice you should contact a legal professional in your jurisdiction.
The use of the content of this website, including the blog, for commercial purposes, including resale, is prohibited without prior authorization from Evidency. The request for permission must specify the purpose and extent of reproduction. For non-commercial purposes, all material in this publication may be freely quoted or reprinted, but acknowledgement is required, together with a link to this website.
