{
  "format": "originary.evidence-case-summary.v0",
  "illustrative": true,
  "note": "Illustrative evidence case summary. It is not a signed evidence bundle and cannot itself be cryptographically verified. No customer or adoption claim. Values are constructed to demonstrate the shape of a bounded evidence case, including its gaps.",
  "scenario": "A customer disputes a paid MCP tool call to a market-data service.",
  "timeline": [
    {
      "time": "14:08:09",
      "event": "authorization reference supplied"
    },
    {
      "time": "14:08:10",
      "event": "gateway reports allow"
    },
    {
      "time": "14:08:11",
      "event": "MCP server reports tools.call market_search"
    },
    {
      "time": "14:08:12",
      "event": "payment provider reports authorized"
    },
    {
      "time": "14:08:13",
      "event": "tool server reports result digest"
    },
    {
      "time": null,
      "event": "delivery observation - not supplied"
    },
    {
      "time": null,
      "event": "counterparty acknowledgment - not supplied"
    }
  ],
  "findings": {
    "established": [
      "the supplied keys validate the gateway and tool-server signatures",
      "the tool name and argument digest are bound by the tool-server record",
      "the payment-provider artifact is linked to the case",
      "the result artifact supplied for review matches its bound digest"
    ],
    "missing": [
      "independent delivery observation",
      "recipient acknowledgment",
      "evidence that every relevant retry was included"
    ],
    "not_evaluated": [
      "commercial liability",
      "legal sufficiency",
      "correctness of the underlying service result",
      "whether the issuer omitted another event"
    ]
  }
}