Data & Instrumentation / Concept
Attachment
Definition
A file or other binary resource logically associated with an xAPI Statement, described by metadata including usage type, display name, content type, length, SHA-2 hash, and optionally a file URL.
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Open this concept in the glossary →Editorial explanation
Attachments allow evidence such as certificates, essays, images, or other artifacts to travel with or be referenced from a Learning Record while preserving integrity checks.
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Sources and evidence
- IEEE xAPI Base Standard — IEEE 9274.1.1-2023 §5.2.2.6 — Attachments (direct)