Problem installing pre-compiled extension

[punkish]

1. Yolo → literally, nothing happens

$ curl -L https://github.com/asg017/sqlite-vec/releases/download/latest/install.sh | sh
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100     9  100     9    0     0     32      0 --:--:-- --:--:-- --:--:--    32
sh: line 1: Not: command not found

2. Ok lets play it safe → install.sh is empty

$ curl -o install.sh -L https://github.com/asg017/sqlite-vec/releases/download/latest/install.sh
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100     9  100     9    0     0     53      0 --:--:-- --:--:-- --:--:--    53
$ cat install.sh 
Not Found%                          

3. Download a specific install.sh and run it (note -LO flags are required) → checksum fails

$ curl -LO https://github.com/asg017/sqlite-vec/releases/download/v0.1.6/install.sh
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
100  7419  100  7419    0     0   8724      0 --:--:-- --:--:-- --:--:--     0
$ cat install.sh
#!/bin/sh
set -e

if [ -n "$NO_COLOR" ]; then
    BOLD=""
    RESET=""
else
    BOLD="\033[1m"
    RESET="\033[0m"
fi
… a lot more script …
$ chmod +x install.sh
$ ./install.sh
Type: loadable
Target: macos-aarch64
Prefix: /Users/punkish/Projects/zai
################################################################################################## 100.0%
usage: sha256sum [-bctwz] [files ...]
Checksum fail!

What am I missing here?