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: 1052
Hash: 263b969ecb18f2f63a03fbd5a52ed677641eb65ff7971738a683fccadb4b310f
Previous block: 7753ff8a0c0ed568bc479373b9e9a40a7cf69a6280b971d35da6b8e8facff0bb
Next block: 10b8a1159fa28244774f7177599adb29121ab12feb52f5091632286b6c226b43
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857844
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 297d904add10914176c1065261012c7baf75a039fac80a4154ea54d6c3272968
Median time: 1707857843
Difficulty: 4.656542373906925e-10
Confirmations: 1192
Chainwork: 000000000000000000000000000000000000000000000000000000000000083a
Bits: 207fffff