RIPEMD160(SHA256(0x00 + 0x14 + Pubkeyhash))

hash = SHA256(0014eaaab82317670d0ee3013b073b25a7a5c780f528)) => e9576bdfa6b6ad206e2ff012b4584d8eaed15c49e3b53e461af43a0189bcfbaf

blockchain.scripthash.get_balance(scripthash)

$ ps aux | grep -i electrum
username   6953   0.9  1.0  2792496  43352   ??  S     1:28PM   0:15.79 /Applications/Electrum.app/Contents/MacOS/Electrum
username   6951   0.0  0.2  2531360   6876   ??  S     1:28PM   0:00.90 /Applications/Electrum.app/Contents/MacOS/Electrum

$p2pkh = sprintf("76a914%s88ac", $hash160);
$hash = hash('sha256', hex2bin($p2pkh));
$hsah = ReverseEndianness($hash);

function ReverseEndianness($num)
{
    $strlen = strlen($num);
    if ($strlen % 2) {
        throw new \Exception('ReverseEndianness: input string must have an even length');
    }
    $r = '';
    for ($i = strlen($num); $i>=0; $i=$i-2) {
        $r .= substr($num, $i, 2);
    }
    return $r;
}

hash('sha256', '76a91462e907b15cbf27d5425399ebf6f0fb50ebb88f1888ac')

A script hash is the hash of the binary bytes of the locking script (ScriptPubKey), expressed as a hexadecimal string. The hash function to use is given by the ?hash_function? member of server.features() (currently sha256() only). Like for block and transaction hashes, when converting the big-endian binary hash to a hexadecimal string the least-significant byte appears first, and the most-significant byte last.

For example, the legacy Bitcoin address from the genesis block:

1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa
has P2PKH script:

76a91462e907b15cbf27d5425399ebf6f0fb50ebb88f1888ac
with SHA256 hash:

6191c3b590bfcfa0475e877c302da1e323497acf3b42c08d8fa28e364edf018b
which is sent to the server reversed as:

8b01df4e368ea28f8dc0423bcf7a4923e3a12d307c875e47a0cfbf90b5c39161
By subscribing to this hash you can find P2PKH payments to that address.