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: 848
Hash: 474cc0fd8f5745639113c2cd69f29f7f4e83fdc4c10e288a1a360936c464405b
Previous block: 3c2fefcd8e79291df7881f7bd1a91193162143381a5ecddc37895e269a520895
Next block: 3b0c0702a7d485ce1817a74657cd15093a9be602c8bb86b584b372dbe09cb1ce
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857810
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 981c2c1ed389681e3b373d765a07e38b799f65ebf44f9580ef82c8652b884979
Median time: 1707857809
Difficulty: 4.656542373906925e-10
Confirmations: 1396
Chainwork: 00000000000000000000000000000000000000000000000000000000000006a2
Bits: 207fffff