place.birds.sighting
Schema Diff
+35 -8
Compatibility Analysis
Breaking Changes Detected
3 breaking changes, 4 non-breaking changes.
Breaking Changes (3)
- ConstraintAdded ConstraintAdded { vertex_id: "place.birds.sighting#media.alt", sort: "maxGraphemes", value: "400" }
- ConstraintAdded ConstraintAdded { vertex_id: "place.birds.sighting:body.count", sort: "maximum", value: "100000" }
- ConstraintAdded ConstraintAdded { vertex_id: "place.birds.sighting#location.name", sort: "maxGraphemes", value: "160" }
Non-Breaking Changes (4)
- AddedVertex AddedVertex { vertex_id: "place.birds.sighting#media.thumb" }
- AddedVertex AddedVertex { vertex_id: "place.birds.sighting:body.thumb" }
- AddedEdge AddedEdge { src: "place.birds.sighting#media", tgt: "place.birds.sighting#media.thumb", kind: "prop", name: Some("thumb") }
- AddedEdge AddedEdge { src: "place.birds.sighting:body", tgt: "place.birds.sighting:body.thumb", kind: "prop", name: Some("thumb") }
Migration Guidance
Added Elements
AddedVertex { vertex_id: "place.birds.sighting#media.thumb" }AddedVertex { vertex_id: "place.birds.sighting:body.thumb" }
Constraint Changes
- ConstraintAdded ConstraintAdded { vertex_id: "place.birds.sighting#location.name", sort: "maxGraphemes", value: "160" }
- ConstraintAdded ConstraintAdded { vertex_id: "place.birds.sighting#media.alt", sort: "maxGraphemes", value: "400" }
- ConstraintAdded ConstraintAdded { vertex_id: "place.birds.sighting:body.count", sort: "maximum", value: "100000" }
Additional Notes
- Non-breaking: AddedEdge { src: "place.birds.sighting#media", tgt: "place.birds.sighting#media.thumb", kind: "prop", name: Some("thumb") }
- Non-breaking: AddedEdge { src: "place.birds.sighting:body", tgt: "place.birds.sighting:body.thumb", kind: "prop", name: Some("thumb") }
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{
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"id": "place.birds.sighting",
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"defs": {
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"main": {
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"key": "tid",
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"type": "record",
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"record": {
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"type": "object",
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"required": [
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"species",
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"observedAt",
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"createdAt"
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],
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"properties": {
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"count": {
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"type": "integer",
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"maximum": 100000,
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"minimum": 1,
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"description": "How many individuals."
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"description": "How many individuals the observer counted. Absent means one, or means they did not count."
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},
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"media": {
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"type": "array",
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"items": {
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"ref": "#media",
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"type": "ref"
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},
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"maxLength": 4
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"maxLength": 4,
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"description": "Evidence, in whatever form it was captured: a photo, a video, or a recording of the call. Ordered as the observer added it."
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},
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"notes": {
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"type": "string",
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"maxLength": 3000,
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"description": "Anything else the observer wants to say about the sighting: behaviour, plumage, who they were with.",
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"maxGraphemes": 600
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},
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"thumb": {
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"type": "blob",
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"accept": [
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"image/*"
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],
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"maxSize": 100000000,
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"description": "The image the observer chose to represent this sighting in compact views. Must be either an image in `media` or a `thumb` belonging to an item in `media`; clients should ignore unrelated blobs."
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},
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"species": {
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"type": "string",
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"maxLength": 640,
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"description": "Common name as the observer said it. Free text on purpose — always present, even when no code was resolved.",
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"maxGraphemes": 160
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},
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"location": {
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"ref": "#location",
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"type": "ref"
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"type": "ref",
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"description": "Roughly where the bird was. Optional, and deliberately coarse — see #location."
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},
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"createdAt": {
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"type": "string",
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"format": "datetime"
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"format": "datetime",
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"description": "Client-declared timestamp for when this record was written."
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},
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"observedAt": {
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"type": "string",
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"format": "datetime",
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"description": "When the bird was seen. Distinct from createdAt so a sighting can be logged later."
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"description": "Client-declared timestamp for when the bird was seen. Distinct from createdAt so a sighting can be written up later. Not verified by anything."
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},
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"speciesCode": {
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"type": "string",
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"maxLength": 32,
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"description": "The observer's asserted identification as a stable eBird/Clements taxon code (e.g. `norcar`). Present when they picked from the list; absent when they just typed something. May be a `spuh` or `slash` code when the identification is honestly partial."
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}
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}
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},
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"description": "A bird sighting logged by the observer, stored in their own repository. Honor system: `species` is what the observer believes they saw, not a verified determination."
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},
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"media": {
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"type": "object",
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"required": [
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"blob"
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],
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"properties": {
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"alt": {
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"type": "string",
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"maxLength": 2000
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"maxLength": 2000,
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"description": "Alt text describing the media for people who cannot see or hear it.",
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"maxGraphemes": 400
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},
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"blob": {
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"type": "blob",
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"accept": [
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"image/*",
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"audio/*",
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"video/*"
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],
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"maxSize": 100000000
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"maxSize": 100000000,
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"description": "The captured file. Audio is first-class here: a bird's call is often better evidence than a photograph of a silhouette."
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},
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"thumb": {
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"type": "blob",
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"accept": [
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"image/jpeg",
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"image/png",
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"image/webp"
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],
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"maxSize": 2000000,
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"description": "A still representing this media — for a video, a frame the observer chose. Derived from `blob`, never captured separately, so a client may regenerate it. Absent for media that is already an image."
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}
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}
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},
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"location": {
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"type": "object",
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"required": [
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"latitude",
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"longitude"
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],
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"properties": {
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"name": {
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"type": "string",
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"maxLength": 640,
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"description": "Free-text place name."
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"description": "Free-text place name, as the observer chose it (e.g. \"Montrose Point Bird Sanctuary, Chicago\"). Independent of the coordinates and not verified against them.",
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"maxGraphemes": 160
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},
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"latitude": {
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"type": "string",
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"maxLength": 32,
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"description": "Decimal degrees, as a string to avoid float drift. Deliberately coarse: clients should write no more than 3 decimal places (~110m). These records are public and permanent, and a bird sighting does not need a precise fix."
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},
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"longitude": {
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"type": "string",
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"maxLength": 32,
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"description": "Decimal degrees, as a string. Same precision limit as latitude."
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}
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}
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}
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},
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"$type": "com.atproto.lexicon.schema",
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"lexicon": 1
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}