An immutable checkpoint of a app.lexidraw.scene record. Captured periodically alongside the mutable scene record; the scene blob is content-addressed and shared with the scene record, so no data is duplicated.
tid
Timestamp-based ID
Properties
createdAt
string
datetime
Required
An RFC 3339 formatted timestamp.
scene
blob
Required
Gzipped Excalidraw scene JSON (serializeAsJSON output, gzip level 6), as captured at checkpoint time.
maxSize: 50.0 MBsubject
ref
com.atproto.repo.strongRef
Required
Strong reference (uri + record cid) to the parent app.lexidraw.scene record at checkpoint time.
thumb
blob
Optional
WebP preview of the scene (max 1024px on the longest side).
maxSize: 2.0 MBView raw schema
{
"key": "tid",
"type": "record",
"record": {
"type": "object",
"required": [
"subject",
"scene",
"createdAt"
],
"properties": {
"scene": {
"type": "blob",
"accept": [
"application/gzip"
],
"maxSize": 50000000,
"description": "Gzipped Excalidraw scene JSON (serializeAsJSON output, gzip level 6), as captured at checkpoint time."
},
"thumb": {
"type": "blob",
"accept": [
"image/webp"
],
"maxSize": 2000000,
"description": "WebP preview of the scene (max 1024px on the longest side)."
},
"subject": {
"ref": "com.atproto.repo.strongRef",
"type": "ref",
"description": "Strong reference (uri + record cid) to the parent app.lexidraw.scene record at checkpoint time."
},
"createdAt": {
"type": "string",
"format": "datetime"
}
}
},
"description": "An immutable checkpoint of a app.lexidraw.scene record. Captured periodically alongside the mutable scene record; the scene blob is content-addressed and shared with the scene record, so no data is duplicated."
}