```json
{
  "title": "Loose footnotes: sup-numbered after hr",
  "author": "",
  "site": "",
  "published": ""
}
```

The first technique is widely used.[^1]

The second technique has trade-offs.[^2]

Both approaches have merit.

[^1]: This is the first footnote with more detail about the technique.

[^2]: This is the second footnote explaining the trade-offs in depth.