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: 1736
Hash: 007ab788c09d07fc205f7d0fe1b90ff8373ba4f9e80395768349ebfd1fde8a4c
Previous block: 61970e82bfef4091e815ee46c9ae96047ba4b9b2db9dabdf4032e04e8f75ee95
Next block: 64288b11e9709d368ea051e500b948f732bff985c05217c2d28c929848870297
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159213
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 2bf355b5bf677fb5fbc8d1ef9af991a9682e8840e2ffa6b00caa5a829cf907db
Median time: 1719159212
Difficulty: 4.656542373906925e-10
Confirmations: 508
Chainwork: 0000000000000000000000000000000000000000000000000000000000000d92
Bits: 207fffff