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: 446
Hash: 6a3b96184329a219981f97139dc26c492c139a237cb87e5c459ce9b946153b7c
Previous block: 03480d5d633ff04fac7dca1d86953edb1844ecd6fa44f7a86f076281a966de4c
Next block: 4a49ac9fb5f0d84e0afb59ec98a6c5172d1ebfbc136929df3e13a34941759a51
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864218
Stripped size: 218
Size: 254
Nonce: 3
Merkle root: 1b6cfcd1a12eb95c49d694cab95ec8a28eb62c097638d9b00b70794c26b47a79
Median time: 1701864217
Difficulty: 4.656542373906925e-10
Confirmations: 1798
Chainwork: 000000000000000000000000000000000000000000000000000000000000037e
Bits: 207fffff