org.hypercerts.context.measurement

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