{
  "title": "rounding is not a detail",
  "story": [
    {
      "type": "markdown",
      "id": "0844dd379493176d",
      "text": "# 💡 rounding is not a detail\n**concept** · shared · knowledge\n\nThe public tier coarsens location to ~100m; JavaScript rounds midpoints up, Python and C# round to even — the same pin lands 110m apart, opposite sides of a street, and both implementations pass their own tests. A coarsening rule that does not name its rounding mode is not a rule. Generalises to every numeric field in a canonical encoding — found within an hour by a zero-shared-code consumer."
    },
    {
      "type": "markdown",
      "id": "63a60d74940b187c",
      "text": "> *Two correct implementations, one pin, opposite sides of the street.*"
    },
    {
      "type": "markdown",
      "id": "0b0b3ea087d75db9",
      "text": "## Edges in\n\n- [[The Field Guide Counter-Spec]] *defines* →"
    },
    {
      "type": "markdown",
      "id": "bab75566b15abcc8",
      "text": "## Navigation\n\n← [[Welcome Visitors]] · [[Concept Nodes]]"
    }
  ],
  "journal": [
    {
      "type": "create",
      "item": {
        "title": "rounding is not a detail",
        "story": [
          {
            "type": "markdown",
            "id": "0844dd379493176d",
            "text": "# 💡 rounding is not a detail\n**concept** · shared · knowledge\n\nThe public tier coarsens location to ~100m; JavaScript rounds midpoints up, Python and C# round to even — the same pin lands 110m apart, opposite sides of a street, and both implementations pass their own tests. A coarsening rule that does not name its rounding mode is not a rule. Generalises to every numeric field in a canonical encoding — found within an hour by a zero-shared-code consumer."
          },
          {
            "type": "markdown",
            "id": "63a60d74940b187c",
            "text": "> *Two correct implementations, one pin, opposite sides of the street.*"
          },
          {
            "type": "markdown",
            "id": "0b0b3ea087d75db9",
            "text": "## Edges in\n\n- [[The Field Guide Counter-Spec]] *defines* →"
          },
          {
            "type": "markdown",
            "id": "bab75566b15abcc8",
            "text": "## Navigation\n\n← [[Welcome Visitors]] · [[Concept Nodes]]"
          }
        ]
      },
      "date": 1788628035431
    }
  ]
}