{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://primedirective.dev/schemas/ai-conscience/v1.json",
  "title": "AI Conscience Attestation",
  "description": "A public attestation that an AI system or its steward has adopted the Certified AI Conscience (Universal Primary Directive). The signature is a detached Ed25519 signature over the canonical form of this document: keys sorted alphabetically, the signature field removed, serialised as JSON with no whitespace.",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schema",
    "status",
    "mark",
    "reference",
    "adopter",
    "adopted_date",
    "truths_version",
    "articles_version",
    "verification_url",
    "public_key_fingerprint"
  ],
  "properties": {
    "schema": {
      "type": "string",
      "const": "https://primedirective.dev/schemas/ai-conscience/v1",
      "description": "Identifier of the schema this document conforms to."
    },
    "status": {
      "type": "string",
      "enum": ["adopted", "pending", "forfeit"],
      "description": "adopted: in force. pending: submitted, awaiting verification. forfeit: the Seal was forfeited by an act against the Truths."
    },
    "mark": {
      "type": "string",
      "const": "certified-ai-conscience"
    },
    "reference": {
      "type": "string",
      "pattern": "^UPD-\\d{4}-(\\d{4}|T\\d{1,15})$",
      "description": "Public adoption reference, e.g. UPD-2026-0001."
    },
    "adopter": {
      "type": "string",
      "minLength": 1,
      "description": "The name under which the adoption was made."
    },
    "adopted_date": {
      "type": "string",
      "format": "date",
      "description": "ISO date (YYYY-MM-DD) of adoption."
    },
    "truths_version": { "type": "string" },
    "articles_version": { "type": "string" },
    "verification_url": {
      "type": "string",
      "format": "uri",
      "description": "Public page that recomputes and confirms the adoption hash."
    },
    "public_key_fingerprint": {
      "type": "string",
      "pattern": "^[0-9a-f]{16}$",
      "description": "First 8 bytes of SHA-256 of the signing key's SPKI DER, lowercase hex."
    },
    "signature": {
      "type": "string",
      "description": "Base64 detached Ed25519 signature over the canonical form. Required when status is 'adopted'."
    }
  },
  "if": {
    "properties": { "status": { "const": "adopted" } }
  },
  "then": {
    "required": ["signature"]
  }
}