{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://receiz.com/schemas/v125/subject-source-family.schema.json",
  "title": "Receiz closed portable subject source family v125",
  "description": "Exact source transport only. Binding selections and family digest do not establish proof authority or Identity admission. Host RP/origin policy is not portable material.",
  "type": "object",
  "additionalProperties": false,
  "required": ["schema", "artifacts", "bindings", "familySetDigest"],
  "properties": {
    "schema": { "const": "receiz.subject-source-family.v125" },
    "familySetDigest": { "$ref": "#/$defs/digest" },
    "artifacts": { "type": "array", "minItems": 1, "items": { "$ref": "#/$defs/artifact" } },
    "bindings": { "type": "array", "minItems": 1, "items": { "$ref": "#/$defs/binding" } }
  },
  "$defs": {
    "digest": { "type": "string", "pattern": "^[0-9a-f]{64}$" },
    "artifact": {
      "type": "object", "additionalProperties": false,
      "required": ["schema", "exactBytesB64u", "filename", "mimeType", "artifactSha256", "payloadSha256"],
      "properties": {
        "schema": { "const": "receiz.sealed-artifact-bytes.v124" },
        "exactBytesB64u": { "type": "string", "pattern": "^[A-Za-z0-9_-]+$" },
        "filename": { "type": "string", "minLength": 1 },
        "mimeType": { "type": "string", "minLength": 1 },
        "artifactSha256": { "$ref": "#/$defs/digest" },
        "payloadSha256": { "$ref": "#/$defs/digest" }
      }
    },
    "binding": {
      "type": "object", "additionalProperties": false,
      "required": ["currentArtifactSha256", "identityArtifactSha256", "subjectArtifactSha256"],
      "properties": {
        "currentArtifactSha256": { "$ref": "#/$defs/digest" },
        "identityArtifactSha256": { "$ref": "#/$defs/digest" },
        "subjectArtifactSha256": { "anyOf": [{ "$ref": "#/$defs/digest" }, { "type": "null" }] }
      }
    }
  }
}