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: 1416
Hash: 09fdda112126b90d75b42b3109b450b896088ef3f5cd066323e9dbdbf6a560db
Previous block: 11474bbf4e39c8c558a1bc48784cc05c6fa73070a851a750c8ff1964e51badca
Next block: 4ac341d5134b219530657d047bcaa7373013efd9828e952350643d91701cb9a8
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697643
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: f3f0abfb695474863e4fb043fa6d1a131833cb670250a1b6b99a77fad471ddbb
Median time: 1718697643
Difficulty: 4.656542373906925e-10
Confirmations: 828
Chainwork: 0000000000000000000000000000000000000000000000000000000000000b12
Bits: 207fffff