{
  "opd": "benikigai/plus-one",
  "commit": 6,
  "opd_version": "0.5.0",
  "layer": "sources",
  "question": "Where did each value come from?",
  "data": {
    "card": {
      "product": "Plus One",
      "maker": "N+1 Labs",
      "maker_endorsed": true,
      "synthetic": true,
      "category": [
        "agent-device",
        "consumer-electronics",
        "battery-powered",
        "wireless",
        "open-hardware"
      ],
      "revision_examined": "Plus One Core, generation one, concept rev B (decision 20; prototype in design, nothing built)",
      "units_examined": 0,
      "license": "CC-BY-4.0",
      "base_opd": null,
      "base_relation": null,
      "trust_level": "claimed",
      "visibility": "public",
      "product_page": "https://nplusonelabs.com/plus-one/",
      "metrics": {
        "observed_share": {
          "value": 0,
          "badge": "self-reported"
        },
        "card_completeness": {
          "value": 1,
          "badge": "self-reported"
        },
        "rebuild_check": {
          "value": true,
          "badge": "self-reported"
        },
        "reproduction_agreement": {
          "value": null,
          "badge": "self-reported"
        }
      }
    },
    "sources": [
      {
        "id": "src:design-brief",
        "kind": "maker",
        "ref": "docs/design-brief.md",
        "sha256": "6f0dcfc631d99f9ef4cd184eec82128305918bf4bb15dcc02946ada9b75cc188"
      },
      {
        "id": "src:cad",
        "kind": "maker",
        "ref": "parts/geometry.json",
        "sha256": "5b6ad4ee5fcc256b25ecd4360824c7d90ec5d3e81e139f7e742ac035deeb344a"
      },
      {
        "id": "src:tracker-puck-spec",
        "kind": "maker",
        "ref": "nplus1labs/factory docs/prototype/spec-tracker-puck.md (the line and operation models this copies)"
      },
      {
        "id": "src:firmware-research",
        "kind": "maker",
        "ref": "nplus1labs/research docs/research/2026-11-firmware/synthesis.md"
      },
      {
        "id": "src:ec-1-lessons",
        "kind": "maker",
        "ref": "openproduct-co/opd-spec examples/ec-1.opd/issues (synthetic lessons this design takes on)"
      },
      {
        "id": "src:module-datasheet",
        "kind": "maker",
        "ref": "Espressif ESP32-S3-WROOM-1 datasheet (public)"
      },
      {
        "id": "src:factory-engine",
        "kind": "maker",
        "ref": "nplus1labs/factory at 9bc6753: engine/specs/plus_one_build.yaml and engine/examples/plus-one-demand (simulated from assumed values; uncalibrated)"
      },
      {
        "id": "src:layout-study",
        "kind": "maker",
        "ref": "line/layouts/README.md",
        "sha256": "f41d3c6a6a559485111c50009d4cf913e2bcc092bef7e0f6be3973cd15fdddb7"
      },
      {
        "id": "src:decisions",
        "kind": "maker",
        "ref": "nplus1labs/research docs/decisions.md: decision 24 (a MadeCell base) and decision 25 (the layout follows volume)"
      },
      {
        "id": "src:dimension-direction",
        "kind": "maker",
        "ref": "openproduct-co/opd-spec branch feat/plus-one-parametric-cad: examples/plus-one.opd/docs/dimension-direction-2026-11-01.md (approved exterior direction; CAD rework open)"
      }
    ]
  }
}