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: 650
Hash: 341051dac9d96e81796349d4faf70efee1611bf7f5beb599c5a9ee823e3104a4
Previous block: 112c8eb24299d914ce9fb01f9f6cd2307fd01f5a08ab35f75c8e4ea31104f1f4
Next block: 05b32e9e78ae73a43a8360619cc7458da6ff15270fe548c5b5076bf4b289a3aa
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864252
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: eea58f78a9394df05b2cb80ac62619040f1eb445103856882403f728bbb2ae9c
Median time: 1701864251
Difficulty: 4.656542373906925e-10
Confirmations: 1594
Chainwork: 0000000000000000000000000000000000000000000000000000000000000516
Bits: 207fffff