{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "additionalProperties": false,
  "properties": {
    "artifact_kind": {
      "const": "tool_schema_reference"
    },
    "byte_length": {
      "maximum": 900000,
      "minimum": 0,
      "type": "integer"
    },
    "capability": {
      "pattern": "^cgr1p_[A-Za-z0-9_-]{43}$",
      "type": "string"
    },
    "catalog_identity_sha256": {
      "pattern": "^[0-9a-f]{64}$",
      "type": "string"
    },
    "content_sha256": {
      "pattern": "^[0-9a-f]{64}$",
      "type": "string"
    },
    "input_index": {
      "maximum": 255,
      "minimum": 0,
      "type": "integer"
    },
    "name": {
      "maxLength": 256,
      "minLength": 1,
      "type": "string"
    },
    "namespace_id": {
      "pattern": "^[0-9a-f]{64}$",
      "type": "string"
    },
    "raw_range": {
      "additionalProperties": false,
      "properties": {
        "end_byte": {
          "maximum": 900000,
          "minimum": 2,
          "type": "integer"
        },
        "start_byte": {
          "maximum": 899999,
          "minimum": 1,
          "type": "integer"
        }
      },
      "required": [
        "end_byte",
        "start_byte"
      ],
      "type": "object"
    },
    "schema_version": {
      "const": "contextguard-receipt-tool-schema-reference/v1"
    },
    "subject_identity_sha256": {
      "pattern": "^[0-9a-f]{64}$",
      "type": "string"
    }
  },
  "required": [
    "artifact_kind",
    "byte_length",
    "capability",
    "catalog_identity_sha256",
    "content_sha256",
    "input_index",
    "name",
    "namespace_id",
    "raw_range",
    "schema_version",
    "subject_identity_sha256"
  ],
  "title": "Context Guard Receipt tool-schema item reference",
  "type": "object"
}