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: 2372
Hash: 6790f50c8fbc4f1c14729f4ef150dcb88b37d22443b98183c8ba941a222b8170
Previous block: 1eb55ef303d7928baca54cd83a1dc69db76069604a5a2f5e1e6a060707753d83
Next block: 4e68130ce00c4ee807eab101695578553dbb93b09d96298dc939843546eef775
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847282
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 9bb58fd864e197756a3faa2f20d915f11b5125b860c6cf0d0d1de6d38ff993de
Median time: 1743847281
Difficulty: 4.656542373906925e-10
Confirmations: 271
Chainwork: 000000000000000000000000000000000000000000000000000000000000128a
Bits: 207fffff