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: 1022
Hash: 48c3fd74f9e3f7228d290f15a87661d307877e24b2f74dea7b839f9bd64ad5c9
Previous block: 30c1aaeba4a0b41089fcceff93936309059b5c73e5c083278936c6734cbeec0f
Next block: 446b4a30c3517bc9210ffa224ccbe839d108f038a6c42a0477a17a7e482b99cb
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857839
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 16ca4d8a24ad08a8fdc8c042936a97c8767bde70be9797d65e9a8c9f762c4e57
Median time: 1707857838
Difficulty: 4.656542373906925e-10
Confirmations: 1222
Chainwork: 00000000000000000000000000000000000000000000000000000000000007fe
Bits: 207fffff