{
  "$schema": "https://json-structure.org/draft/2025-09",
  "name": "AstmStandard",
  "description": "JSON Structure for an ASTM consensus standard catalog record. Captures designation, ownership, document type, lifecycle, and access surfaces.",
  "type": "object",
  "properties": {
    "designation": {
      "type": "string",
      "description": "ASTM designation in Letter+Number-Year form (e.g., C150-23, E8/E8M-22)."
    },
    "letterPrefix": {
      "type": "string",
      "description": "Committee category letter A B C D E F G or J."
    },
    "serialNumber": {
      "type": "string",
      "description": "Numeric portion of the designation; may include metric companion."
    },
    "year": {
      "type": "int32",
      "description": "Edition year."
    },
    "title": {
      "type": "string",
      "description": "Official title beginning with the document type."
    },
    "documentType": {
      "type": "string",
      "description": "TestMethod, Specification, Practice, Guide, Classification, or Terminology."
    },
    "committee": {
      "type": "object",
      "description": "Owning committee or subcommittee.",
      "properties": {
        "designation": { "type": "string" },
        "name": { "type": "string" }
      }
    },
    "scope": {
      "type": "string",
      "description": "Section 1 scope statement."
    },
    "status": {
      "type": "string",
      "description": "Active, Historical, Withdrawn, Superseded, or InDevelopment."
    },
    "supersedes": {
      "type": "array",
      "items": { "type": "string" },
      "description": "Designations of superseded editions."
    },
    "referencedStandards": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "designation": { "type": "string" },
          "publisher": { "type": "string" }
        }
      }
    },
    "icsCodes": {
      "type": "array",
      "items": { "type": "string" }
    },
    "pages": {
      "type": "int32"
    },
    "doi": {
      "type": "string"
    },
    "storeUrl": {
      "type": "string"
    },
    "compassUrl": {
      "type": "string"
    },
    "keywords": {
      "type": "array",
      "items": { "type": "string" }
    }
  }
}