{
"id": "org.hypercerts.context.measurement",
"defs": {
"main": {
"key": "tid",
"type": "record",
"record": {
"type": "object",
"required": [
"metric",
"unit",
"value",
"createdAt"
],
"properties": {
"unit": {
"type": "string",
"maxLength": 50,
"description": "The unit of the measured value (e.g. kg CO₂e, hectares, %, index score)."
},
"value": {
"type": "string",
"maxLength": 500,
"description": "The measured value as a numeric string (e.g. '1234.56')"
},
"metric": {
"type": "string",
"maxLength": 500,
"description": "The metric being measured, e.g. forest area restored, number of users, etc."
},
"comment": {
"type": "string",
"maxLength": 3000,
"description": "Short comment of this measurement, suitable for previews and list views. Rich text annotations may be provided via `commentFacets`.",
"maxGraphemes": 300
},
"endDate": {
"type": "string",
"format": "datetime",
"description": "The end date and time when the measurement ended. For one-time measurements, this should equal the start date."
},
"subjects": {
"type": "array",
"items": {
"ref": "com.atproto.repo.strongRef",
"type": "ref"
},
"maxLength": 100,
"description": "Strong references to the records this measurement refers to (e.g. activities, projects, or claims)."
},
"createdAt": {
"type": "string",
"format": "datetime",
"description": "Client-declared timestamp when this record was originally created"
},
"locations": {
"type": "array",
"items": {
"ref": "com.atproto.repo.strongRef",
"type": "ref"
},
"maxLength": 100,
"description": "Optional geographic references related to where the measurement was taken. Each referenced record must conform with the app.certified.location lexicon."
},
"measurers": {
"type": "array",
"items": {
"ref": "app.certified.defs#did",
"type": "ref"
},
"maxLength": 100,
"description": "DIDs of the entities that performed this measurement"
},
"methodURI": {
"type": "string",
"format": "uri",
"description": "URI to methodology documentation, standard protocol, or measurement procedure"
},
"startDate": {
"type": "string",
"format": "datetime",
"description": "The start date and time when the measurement began."
},
"methodType": {
"type": "string",
"maxLength": 30,
"description": "Short identifier for the measurement methodology"
},
"evidenceURI": {
"type": "array",
"items": {
"type": "string",
"format": "uri"
},
"maxLength": 50,
"description": "URIs to related evidence or underlying data (e.g. org.hypercerts.claim.evidence records or raw datasets)"
},
"commentFacets": {
"type": "array",
"items": {
"ref": "app.bsky.richtext.facet",
"type": "ref"
},
"description": "Rich text annotations for `comment` (mentions, URLs, hashtags, etc)."
}
}
},
"description": "Measurement data related to one or more records (e.g. activities, projects, etc.)."
}
},
"$type": "com.atproto.lexicon.schema",
"lexicon": 1
}