{
  "protocol": "Trust Standard Protocol",
  "version": "3.0",
  "summary": "Tamper-evident, offline-verifiable evidence for AI-mediated events.",
  "signature": {
    "algorithm": "ed25519",
    "canonicalization": "canonical JSON (sorted keys, JCS-style)",
    "contentHash": "sha-256 over canonical content value",
    "ledgerHash": "sha-256 over canonical ledger domain (binds signatures)"
  },
  "envelope": "TrustEnvelope v3",
  "surfaces": {
    "verify": "https://verify.truststandardprotocol.com/",
    "playground": "https://truststandardprotocol.com/playground/",
    "protocol": "https://truststandardprotocol.com/protocol/",
    "agent": "https://agent.truststandardprotocol.com/"
  },
  "packages": {
    "scope": "@trust-standard-protocol",
    "signer": "@trust-standard-protocol/sdk-js",
    "verifierCores": [
      "@trust-standard-protocol/sdk-web",
      "@trust-standard-protocol/sdk-python",
      "@trust-standard-protocol/sdk-go",
      "@trust-standard-protocol/sdk-rust",
      "@trust-standard-protocol/sdk-java",
      "@trust-standard-protocol/sdk-csharp"
    ]
  },
  "license": {
    "open": "Apache-2.0",
    "closed": "commercial TSP license"
  },
  "boundary": {
    "meaning": "evidence-integrity",
    "doesNotMean": ["truth", "correctness", "legality", "safety", "compliance"],
    "officialStatus": "a governed grant, never granted by payment or by verification alone"
  }
}