{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "PIT Execution Envelope",
  "contractVersion": "1.0",
  "required": [
    "asOf",
    "publishedAtCutoff",
    "datasetId",
    "modelVersion",
    "configVersion",
    "codeSha",
    "contractVersion",
    "contentHash",
    "correlationId"
  ],
  "rules": [
    "server-resolved-context",
    "no-client-evidence-trust",
    "append-only-evidence",
    "tradable-session-cutoff"
  ]
}