{
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    },
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          "additionalProperties": false
        },
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                "published_email",
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        },
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              "type": "array",
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            ],
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          },
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        },
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              "type": "string",
              "format": "date-time",
              "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d(?:\\.\\d+)?(?:Z|([+-](?:[01]\\d|2[0-3]):[0-5]\\d)))$",
              "description": "UTC timestamp of the last record update."
            },
            "last_observed_at": {
              "type": "string",
              "format": "date-time",
              "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d(?:\\.\\d+)?(?:Z|([+-](?:[01]\\d|2[0-3]):[0-5]\\d)))$"
            }
          },
          "required": [
            "created_at",
            "updated_at",
            "last_observed_at"
          ],
          "additionalProperties": false
        },
        "withdrawal": {
          "anyOf": [
            {
              "type": "object",
              "properties": {
                "at": {
                  "type": "string",
                  "format": "date-time",
                  "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d(?:\\.\\d+)?(?:Z|([+-](?:[01]\\d|2[0-3]):[0-5]\\d)))$"
                },
                "reason": {
                  "type": "string",
                  "enum": [
                    "publisher_request",
                    "policy_screen_failed",
                    "route_gone_confirmed",
                    "rights_review",
                    "owner_decision"
                  ],
                  "description": "Recorded explanation; null when no explanation applies."
                }
              },
              "required": [
                "at",
                "reason"
              ],
              "additionalProperties": false
            },
            {
              "type": "null"
            }
          ]
        },
        "freshness": {
          "type": "string",
          "enum": [
            "fresh",
            "aging",
            "stale"
          ],
          "description": "Read-time age of the last verification against the fixed 90-day window: fresh, aging or stale. Not stored on the record."
        }
      },
      "required": [
        "schema_version",
        "record_id",
        "status",
        "niche",
        "opportunity_type",
        "type_basis",
        "subject",
        "observed",
        "contact_route",
        "eligibility",
        "verification",
        "provenance",
        "rights",
        "evidence",
        "dates",
        "withdrawal",
        "freshness"
      ],
      "additionalProperties": {}
    }
  },
  "required": [
    "schema_version",
    "read_at",
    "freshness_basis",
    "absence_claim",
    "whole_web_coverage",
    "absence_note",
    "coverage",
    "record"
  ],
  "additionalProperties": {}
}