JSON snapshot v3¶
Status: Superseded by JSON snapshot v4. Readers still accept v3; writers emit v4.
Legacy v2 format: JSON snapshot v2.
Changes from v2¶
| Field | v2 | v3 |
|---|---|---|
format_version |
2 |
3 |
DataPropertyAssertion |
— | Individual + data property + typed literal |
NegativeObjectPropertyAssertion |
— | Subject, property, object |
NegativeDataPropertyAssertion |
— | Individual, data property, literal |
| Inferred axiom metadata | Optional | Optional inferred: true on snapshot axioms |
Compatibility¶
- v3 writers emit
format_version: 3. - v3 readers accept v2 snapshots (upgrade on load).
- v2-only snapshots remain readable.
Security¶
Untrusted uploads: use Ontology::from_json_with_limits — format v1 is rejected. See Security.
Related¶
- JSON snapshot v2 — legacy reference
- Migration v0.9 → v1.0