{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://github.com/reacher-z/Awesome-CUA/blob/main/schemas/publication-observation.schema.json",
  "title": "AwesomeCUA retained publication observation",
  "description": "Source-backed publisher metadata attached to one canonical resource, without asserting editorial relevance approval.",
  "type": "object",
  "required": [
    "id",
    "publication",
    "evidence",
    "last_verified_at"
  ],
  "properties": {
    "id": {
      "type": "string",
      "pattern": "^(arxiv:|url:)[^\\s]+$"
    },
    "publication": {
      "$ref": "https://github.com/reacher-z/Awesome-CUA/blob/main/schemas/resource.schema.json#/$defs/publication"
    },
    "evidence": {
      "$ref": "https://github.com/reacher-z/Awesome-CUA/blob/main/schemas/resource.schema.json#/properties/evidence"
    },
    "last_verified_at": {
      "$ref": "https://github.com/reacher-z/Awesome-CUA/blob/main/schemas/resource.schema.json#/properties/last_verified_at"
    }
  },
  "additionalProperties": false
}