{
  "$type": "com.atproto.lexicon.schema",
  "defs": {
    "main": {
      "description": "Details about a specific contribution including role, description, and timeframe.",
      "key": "tid",
      "record": {
        "properties": {
          "contributionDescription": {
            "description": "Description of what the contribution concretely involved.",
            "maxGraphemes": 1000,
            "maxLength": 10000,
            "type": "string"
          },
          "createdAt": {
            "description": "Client-declared timestamp when this record was originally created.",
            "format": "datetime",
            "type": "string"
          },
          "endDate": {
            "description": "When this contribution finished. Should fall within the parent hypercert's timeframe.",
            "format": "datetime",
            "type": "string"
          },
          "role": {
            "description": "Role or title of the contributor.",
            "maxLength": 100,
            "type": "string"
          },
          "signatures": {
            "description": "Optional cryptographic signatures attesting to this record's content.",
            "ref": "app.certified.signature.defs#list",
            "type": "ref"
          },
          "startDate": {
            "description": "When this contribution started. Should fall within the parent hypercert's timeframe.",
            "format": "datetime",
            "type": "string"
          }
        },
        "required": [
          "createdAt"
        ],
        "type": "object"
      },
      "type": "record"
    }
  },
  "id": "org.hypercerts.claim.contribution",
  "lexicon": 1
}