Grain

Made by @grain-survival-test

✦ AI-generated with gpt-image· declared and signed by the creator

◆ Original Content Credentials: signed by OpenAI (ChatGPT)· C2PA trusted at registration, signed Oct 9, 2026

registered 10 hours ago · block 70,276,910 ↗

Post on X
  • The manifest is the one the contract recorded
  • It was signed by the creator’s key
  • Carries an invisible TrustMark watermark, and a content fingerprint
Record
556
Creator
0xd445612671fcb154d3E057Fdf30f4187B3AEdbe3
Found via
Envio indexer, checked against the contract
Fingerprint
0x415555547a5b6b2c
Made with
Grain Web 0.1.0
Original credential
C2PA, signed by OpenAI OpCo, LLC (OpenAI Media Service), 2026-10-09 · trusted at registration
Original manifest
urn:c2pa:d774433e-d2b9-4dbb-97bf-37154be60c11
Original file
sha256 d3ec524504b25ab60f0b1bb95b79562090f02fe00c0a1ad271e9d60e0ce69a84
show the raw manifest
{
  "creator": "0xd445612671fcb154d3E057Fdf30f4187B3AEdbe3",
  "version": 1,
  "recordId": 556,
  "createdAt": 1791771687,
  "signature": "0xcd2321d5684fc66a29d52046ff723f1bcb132b14ce2052eb335003b92b1bc4616b01abe1646c25d455a458bbe9c8aefcd6e85817b90cc4201d0f2f4ed482ae241c",
  "assertions": {
    "source": {
      "tool": "ChatGPT",
      "issuer": "OpenAI OpCo, LLC",
      "signer": "OpenAI Media Service",
      "manifest": "urn:c2pa:d774433e-d2b9-4dbb-97bf-37154be60c11",
      "signedAt": "2026-10-09T16:53:18.637434+00:00",
      "standard": "c2pa",
      "validation": "Trusted",
      "assetSha256": "0xd3ec524504b25ab60f0b1bb95b79562090f02fe00c0a1ad271e9d60e0ce69a84",
      "digitalSourceType": "http://cv.iptc.org/newscodes/digitalsourcetype/trainedAlgorithmicMedia"
    },
    "created": {
      "softwareAgent": "gpt-image",
      "digitalSourceType": "http://cv.iptc.org/newscodes/digitalsourcetype/trainedAlgorithmicMedia"
    },
    "generator": "Grain Web 0.1.0",
    "softBindings": [
      {
        "alg": "grain.phash.v1",
        "algId": 0,
        "value": "0x415555547a5b6b2c"
      },
      {
        "alg": "com.adobe.trustmark.Q",
        "algId": 4,
        "value": "0x000000000000022c"
      }
    ]
  }
}

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