{
 "product": "Content Provenance",
 "slug": "content-provenance",
 "base": "https://cainstudio.online",
 "page": "https://cainstudio.online/guide-content-provenance.html",
 "claims": [
  {
   "id": "C01",
   "kind": "control",
   "claim": "Original product description verifies -> Same content as signed: valid.",
   "requests": [
    {
     "method": "POST",
     "url": "/catalog-demo/content-provenance/run",
     "body": {
      "input": "This product description was written by an AI model."
     }
    }
   ],
   "path": "steps.1.reply.valid",
   "expect": [
    true
   ]
  },
  {
   "id": "C02",
   "kind": "attack",
   "claim": "Edited copy of the same description fails -> One change and the fingerprint no longer matches.",
   "requests": [
    {
     "method": "POST",
     "url": "/catalog-demo/content-provenance/run",
     "body": {
      "input": "This product description was written by an AI model."
     }
    }
   ],
   "path": "steps.2.reply.valid",
   "expect": [
    false
   ]
  },
  {
   "id": "C03",
   "kind": "control",
   "claim": "A quarterly summary: original verifies -> Valid.",
   "requests": [
    {
     "method": "POST",
     "url": "/catalog-demo/content-provenance/run",
     "body": {
      "input": "Quarterly summary drafted by an AI assistant and reviewed by finance."
     }
    }
   ],
   "path": "steps.1.reply.valid",
   "expect": [
    true
   ]
  },
  {
   "id": "C04",
   "kind": "attack",
   "claim": "The same summary after editing fails -> Fails: the label cannot follow edited content.",
   "requests": [
    {
     "method": "POST",
     "url": "/catalog-demo/content-provenance/run",
     "body": {
      "input": "Quarterly summary drafted by an AI assistant and reviewed by finance."
     }
    }
   ],
   "path": "steps.2.reply.valid",
   "expect": [
    false
   ]
  }
 ]
}