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: 1330
Hash: 78dda38965380711ecc7e1913dc541e80b3855896cf9ca142cc4f97ee78b055a
Previous block: 67da2eb3a07c832cce424529b82090403f48a154c008d7390947d448152c87c3
Next block: 2fdf20528fe09072aca43c8a066345f6f0eeb31c143efb15b24ae22f3be1a1f3
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697629
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: d1b671c3de4dda62624824a1cda8f60efec8e4842d2e3fc59c7b2f2178fe8988
Median time: 1718697628
Difficulty: 4.656542373906925e-10
Confirmations: 914
Chainwork: 0000000000000000000000000000000000000000000000000000000000000a66
Bits: 207fffff