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. mupBAc74k

Height: 2223
Hash: 182176dfd54dfca3e033216bbeab13268a0f7ed6176d0b932f61f85a2295e4e1
Previous block: 5f68f413d70bd046f3240ec5974f8cf18b83a24e1b93058e277a5474613ebf25
Next block: 5a7aff4e6ba64938ab77d142373b720ecf0951d478f6fab9fc723618f6c70832
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719480980
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 53f4f8737879e2064b22fd09fcb3e740ef56fc1afdbd7f8f3a16e60fe74b636a
Median time: 1719480979
Difficulty: 4.656542373906925e-10
Confirmations: 69
Chainwork: 0000000000000000000000000000000000000000000000000000000000001160
Bits: 207fffff