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: 1785
Hash: 6db6b1047d92c9717be2dc339bf9ba0a976b4b4494632f7952ec02fd4237868c
Previous block: 12acc700eacbb4c3ab24c2be816354f879be126204401f1531b37501ed909a8d
Next block: 1936b234d9c7e1d5785253153f674e1f27a5daac5b1cee49dc350a90b92e7cbe
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159221
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 6cdebc88d5a4e07696e43a530c9b09f689cf2a1fc3134dcba26fc254d8cedd76
Median time: 1719159220
Difficulty: 4.656542373906925e-10
Confirmations: 459
Chainwork: 0000000000000000000000000000000000000000000000000000000000000df4
Bits: 207fffff