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: 2071
Hash: 5f1a95453b7d52c613ae486d5a42eb9ca8aff9a26afb051c7dba13c8df924e22
Previous block: 0f6167f16faadfe540f1b0f481de7b87de5bf9e203f69bbfeb3ad0cb6ca6d0bf
Next block: 2d8e06d3ebceee06460b27d79a7c4b48ff217b87ca3fec2305e987e1be3d38a7
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964782
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: a960c63b2e96b9d5e39d93af99379c8d1f62a3c61d1eedd908a8b8f48c6dfff0
Median time: 1728964781
Difficulty: 4.656542373906925e-10
Confirmations: 173
Chainwork: 0000000000000000000000000000000000000000000000000000000000001030
Bits: 207fffff