The explorer is running in 'regtest' mode. This saves disk space, but there is limited data.
The code for this application can be found at github.com/pdxrod/blockchain_explorer.

home    blocks

Enter a block height, e.g. 123, or the start of a bitcoin address, e.g. mxMfLjAez

Height: 2359
Hash: 083d586a72adcf352644f299cab494776a23bc2264c82fff7f7782363a93ea71
Previous block: 18f12741925f393cf0ebf94183d1eae9d02d2abad72c353cda9f155481c805de
Next block: 0829b7bb6e7d1c537c79245ba259e22e8818ae8fa0908446e7d042d79fd98e12
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847280
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: c622fb1bd21b9d6afbeadbbf8c83a5e4860349281a558cd883f6a07632056fd4
Median time: 1743847279
Difficulty: 4.656542373906925e-10
Confirmations: 284
Chainwork: 0000000000000000000000000000000000000000000000000000000000001270
Bits: 207fffff