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: 1268
Hash: 7abe6fa0e2d2f65eccf272c9263ff2584d44de94a6add6a99484092749fc7481
Previous block: 50278ccad8de2b814902d2503bcec32262c6f349dec4278ca50690900690bdba
Next block: 65bdd6bae4ee3248d465929b90d5b8b7645b7f49c6f013df3142b1b668db3f8d
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697619
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 2520ac720e822d296538cd737f40ff1e005cf52682a9f6a5e71ee4616a9e8b22
Median time: 1718697618
Difficulty: 4.656542373906925e-10
Confirmations: 976
Chainwork: 00000000000000000000000000000000000000000000000000000000000009ea
Bits: 207fffff