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: 1350
Hash: 6bf170cc399e488da56c5a6510375c35393593866a4a01f3cfd7e52260038eff
Previous block: 20f509055beb868be142994dc4045806c13eb48f9d1af6bfe101e862cd0bbfa4
Next block: 76430589ffce80d99dfaa21ed4d599f877c43ce1682c6df12f68f48f9c4867fc
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697632
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: e9830553c91526337871813740ba91beff51d665c215b98c250462fdc4367e6c
Median time: 1718697632
Difficulty: 4.656542373906925e-10
Confirmations: 894
Chainwork: 0000000000000000000000000000000000000000000000000000000000000a8e
Bits: 207fffff