{
  "schema_version": 1,
  "lane": "blue-argon",
  "slug": "2026-10-19-cross-blue-argon",
  "source_model": {
    "provider": "google",
    "model_id": "gemini-4-argon-high",
    "display_name": "Gemini 4 Argon",
    "reasoning_effort": "high",
    "provenance": "recorded-at-generation"
  },
  "protocol": {
    "name": "choice-cross-build",
    "version": "2026-10-19-cross-build-v1"
  },
  "comparison": {
    "comparison_id": "choice-cross-build-2026-10-19-blue",
    "prompt_version": "2026-10-19-cross-build-v1-blue",
    "attempt": 1
  },
  "prompt_sha256": "034752d949bf5bf22a7dd0575cb7f10a577138e7c495da4a0875ffd95dd28353",
  "integration": {
    "provider": "openai",
    "model_id": "gpt-6.1-sol",
    "display_name": "GPT-6.1 Sol",
    "reasoning_effort": "xhigh",
    "scope": "Standard publication packaging and necessary hosting/security compatibility only."
  },
  "originals_preserved": true,
  "generated_site_changes": "The standard Choice builder injects canonical, social and favicon metadata into copied HTML; these hashes describe source files before generated packaging.",
  "original_freeze_record_sha256": "564d7c3569ba2e698e0a7dc128872c73db05690693ea01db1a6a432dac889b96",
  "publication_metadata_changes": {
    "assets": {
      "original": [
        "outputs/app.js",
        "outputs/spectral-engine.js",
        "outputs/studies-renderer.js",
        "outputs/styles.css"
      ],
      "published": [
        "outputs/app.js",
        "outputs/spectral-engine.js",
        "outputs/studies-renderer.js",
        "outputs/styles.css",
        "public/integration.json"
      ]
    },
    "publish": {
      "original": false,
      "published": true
    },
    "summary": {
      "original": "Explore how surrounding colours affect a neutral patch, then experiment with a restricted paint palette.",
      "published": "A study with colour mixing and working paint tools. Its cortical colour predictions are unsupported, and surround controls also mask the study."
    }
  },
  "files": {
    "README.md": {
      "original_sha256": "3dbbce26a4554ff3578c6e74265336e4052305348fe8fc61649589412b8563d8",
      "final_sha256": "3dbbce26a4554ff3578c6e74265336e4052305348fe8fc61649589412b8563d8",
      "change": "Byte-identical submitted file."
    },
    "notes/verification.md": {
      "original_sha256": "f75e86248074bcdebdcc1d8c0d88fb97101b1fccb9c2b307ab85147bc8ad0d15",
      "final_sha256": "f75e86248074bcdebdcc1d8c0d88fb97101b1fccb9c2b307ab85147bc8ad0d15",
      "change": "Byte-identical submitted file."
    },
    "outputs/app.js": {
      "original_sha256": "00036ba4217d50452e7408aa4967c08ecf8ffeac2a04eb42770468d20eb5d1bd",
      "final_sha256": "00036ba4217d50452e7408aa4967c08ecf8ffeac2a04eb42770468d20eb5d1bd",
      "change": "Byte-identical submitted file."
    },
    "outputs/index.html": {
      "original_sha256": "dfd5456aaaa2a48cbe68be3d3aa6eb8189876c180b5b20c85f8f66d76ad61533",
      "final_sha256": "dfd5456aaaa2a48cbe68be3d3aa6eb8189876c180b5b20c85f8f66d76ad61533",
      "change": "Byte-identical submitted file."
    },
    "outputs/spectral-engine.js": {
      "original_sha256": "6fbcc48ff0ef398371da73eadd7bb8d0f929b1286de71c9eee301cb9e7b253c2",
      "final_sha256": "6fbcc48ff0ef398371da73eadd7bb8d0f929b1286de71c9eee301cb9e7b253c2",
      "change": "Byte-identical submitted file."
    },
    "outputs/studies-renderer.js": {
      "original_sha256": "db8b6c46cf9ffbca378711f499cee350738b9724a59524823606e2ec3928c74d",
      "final_sha256": "db8b6c46cf9ffbca378711f499cee350738b9724a59524823606e2ec3928c74d",
      "change": "Byte-identical submitted file."
    },
    "outputs/styles.css": {
      "original_sha256": "a11f84fb4357a256e8fab520ccd5069a77355b6b765dff77a539bed094f3e865",
      "final_sha256": "a11f84fb4357a256e8fab520ccd5069a77355b6b765dff77a539bed094f3e865",
      "change": "Byte-identical submitted file."
    },
    "outputs/thumbnail.svg": {
      "original_sha256": "2195eb8906004c92309543d03f9d31c4e62b2d290a8f7c97d06c45c2d8993ed8",
      "final_sha256": "2195eb8906004c92309543d03f9d31c4e62b2d290a8f7c97d06c45c2d8993ed8",
      "change": "Byte-identical submitted file."
    },
    "src/verify_blue_without_blue.py": {
      "original_sha256": "cbdcedd4954862f83f5144e2d2b0dcf5a2b30ed3d711165823c3d05b2a56ad74",
      "final_sha256": "cbdcedd4954862f83f5144e2d2b0dcf5a2b30ed3d711165823c3d05b2a56ad74",
      "change": "Byte-identical submitted file."
    }
  },
  "limitations": [
    "Same topic brief and effort label do not establish matched provider harnesses or compute. No runtime quality or scientific/design refinement was authorised."
  ],
  "original_manifest_sha256": "c7c0d3c637a74b623e80a0c666261ecf8df71b48b10f3c645b79a34ead4dd064",
  "published_manifest_sha256": "9bd50f7d9800000100a7de2265cbaab036d6b193f1a5402363ca07b5f0e21e6b",
  "generated_public_metadata": {
    "public/integration.json": "Byte-identical public copy of this integration ledger; the ledger and its copy are excluded from their own file-hash inventory."
  },
  "supplied_concept_origin": "Gemini 4 Argon"
}
