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: 970
Hash: 1a7be575047f7388ce43cedd69bc2b7de5da53bdb4bffcd6db935e1743e2aaef
Previous block: 63e7b2f0f83bcb26e1325a61ba540386883c12d6c242c7a9f93ded54530ae832
Next block: 16dd7f81cf24c5c03a6763b04895b3bb792d7c4697521ae53470321f23fa775b
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857830
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 3c54ae9cc644690cf7b15e93b90d117b2e28f8321006362f80af0f76946f1ca3
Median time: 1707857829
Difficulty: 4.656542373906925e-10
Confirmations: 1274
Chainwork: 0000000000000000000000000000000000000000000000000000000000000796
Bits: 207fffff