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: 1786
Hash: 1936b234d9c7e1d5785253153f674e1f27a5daac5b1cee49dc350a90b92e7cbe
Previous block: 6db6b1047d92c9717be2dc339bf9ba0a976b4b4494632f7952ec02fd4237868c
Next block: 2e0a3929fc2385b542c4c1c0a6f8699a8f1319c5ad2513d9ff568f9183494f09
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159221
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 1cac5750fa4c31a778fc5caf395559ea05625254347f14a5393992f371489f02
Median time: 1719159220
Difficulty: 4.656542373906925e-10
Confirmations: 458
Chainwork: 0000000000000000000000000000000000000000000000000000000000000df6
Bits: 207fffff