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: 969
Hash: 63e7b2f0f83bcb26e1325a61ba540386883c12d6c242c7a9f93ded54530ae832
Previous block: 192519df204b1a943996a6dd1fd4c9551d34eb2e1c87bb92f56be8bdebe80a76
Next block: 1a7be575047f7388ce43cedd69bc2b7de5da53bdb4bffcd6db935e1743e2aaef
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857830
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 562eb7bc4d5bfd0f33dace080bd22d584fc74b3daca27cb4273f5dd8301685a7
Median time: 1707857829
Difficulty: 4.656542373906925e-10
Confirmations: 1275
Chainwork: 0000000000000000000000000000000000000000000000000000000000000794
Bits: 207fffff