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: 1317
Hash: 3d98ecdf414fb5b09f9084d9bebcde8948940eff04ded4d058bd4b6cac0c1a32
Previous block: 2630a88d27853aad10731af6f5cac448653f926ab9c3e46a22f5255f9cfd003c
Next block: 19bcc98441f934e48ea1e2a98ff02073c401a60087f3ff69b6dbc8f1257b4a1b
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697627
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: d32a23389fbcd8f80ade42d7e8647c743a04ced9f7fb6ad37afbf4e3e619f35c
Median time: 1718697626
Difficulty: 4.656542373906925e-10
Confirmations: 927
Chainwork: 0000000000000000000000000000000000000000000000000000000000000a4c
Bits: 207fffff