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 10, 2026

registered 10 hours ago · block 70,276,861 ↗

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
554
Creator
0xd445612671fcb154d3E057Fdf30f4187B3AEdbe3
Found via
Envio indexer, checked against the contract
Fingerprint
0x979a606538cb9798
Made with
Grain Web 0.1.0
Original credential
C2PA, signed by OpenAI OpCo, LLC (OpenAI Media Service), 2026-10-10 · trusted at registration
Original manifest
urn:c2pa:51313fb1-5c83-45ab-b655-0d9d547e67d3
Original file
sha256 47678c3a91e78a6682762d95eb909c9e7b0a36c4ac3e1f31af632286a0d87969
show the raw manifest
{
  "creator": "0xd445612671fcb154d3E057Fdf30f4187B3AEdbe3",
  "version": 1,
  "recordId": 554,
  "createdAt": 1791771672,
  "signature": "0x2b7149c75a4d9661243e9f5e7f4becb846bec1bdbecc2eefdf72b17686825cf259b75b12809ffb622aec3bc2fd1fa0f84be92fc5c40c410ebedefb460ac0a96f1b",
  "assertions": {
    "source": {
      "tool": "ChatGPT",
      "issuer": "OpenAI OpCo, LLC",
      "signer": "OpenAI Media Service",
      "manifest": "urn:c2pa:51313fb1-5c83-45ab-b655-0d9d547e67d3",
      "signedAt": "2026-10-10T11:56:21.530572+00:00",
      "standard": "c2pa",
      "validation": "Trusted",
      "assetSha256": "0x47678c3a91e78a6682762d95eb909c9e7b0a36c4ac3e1f31af632286a0d87969",
      "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": "0x979a606538cb9798"
      },
      {
        "alg": "com.adobe.trustmark.Q",
        "algId": 4,
        "value": "0x000000000000022a"
      }
    ]
  }
}

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