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: 2314
Hash: 7becf699d78fd0a2356853923335bf6ab75a7681d2cc0001e25b82b382a4d8eb
Previous block: 11b0eda35adca9098a50b3207bd9b4b9a9cb014c1648661fe8fdb56174f49b22
Next block: 66c72682fcb73bb7174a862cadbb46dd9a19dd0ef0f524acb472f4e83218b4d7
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847272
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: e8babc1a7fd788758d6e99cdf51ce457df3aca8de15e6a4a193195665d53a549
Median time: 1743847271
Difficulty: 4.656542373906925e-10
Confirmations: 329
Chainwork: 0000000000000000000000000000000000000000000000000000000000001216
Bits: 207fffff